C46400 Naval Brass
Primary Designation:UNS C46400
Aliases:
Naval BrassTin Brass 464C46400
Mat Grades internal verification confirms source-backed fidelity and data integrity. It does not constitute external certification, ASTM/CDA endorsement, or guaranteed material conformity for procurement.
Data Completeness & Record Integrity:5 composition elements and 141 contextual property values cataloged.
Omitted fields represent unverified parameters. "Missing is better than invented."
Key Engineering Properties
Representative source rows, qualified by their reported conditions. Inspect the tables below for all values, limits, and source notes.
Density
8.415 g/cm³TYPICAL · at 20 °C
Electrical Conductivity
26 % IACSTYPICAL · at 20 °C
Thermal Conductivity
115.96 W/(m·K)TYPICAL · at 20 °C
Specific Heat Capacity
376.8 J/(kg·K)TYPICAL · at 20 °C
Melting Range (Solidus / Liquidus)
887.8 – 898.9 °C1630.0 – 1650.0 °F
Solidus: 887.8°C | Liquidus: 898.9°CComposition Excerpt
Cu 59–62 wt%Copper (range)
Standard Elemental Basis: RANGEEngineering Summary
UNS C46400 Naval Brass (59.0-62.0% Cu, 0.50-1.0% Sn, Zn Remainder) is a corrosion-resistant wrought brass where tin addition inhibits dezincification in seawater. Widely specified for marine propeller shafting, turnbuckles, marine hardware, and heat exchanger tubesheets.
Documented Product Applications (Cited CDA Reference Profile)
- ›Aircraft Turn buckle Barrels: Forming Characteristics
- ›Aircraft Turn buckle Barrels: Friction & Wear Properties
- ›Aircraft Turn buckle Barrels: Mechanical Properties
- ›Balls: Conductivity (Thermal)
- ›Balls: Corrosion Resistance
- ›Balls: Forming Characteristics
- ›Balls: Friction & Wear Properties
- ›Balls: Mechanical Properties
- ›Bearings: Adhesion Characteristics
- ›Bearings: Corrosion Resistance
- ›Bearings: Friction & Wear Properties
- ›Bearings: Machining Characteristics
Recognized Aliases
Source-backed commercial trade name and short designations cataloged in canonical data.
Naval BrassTin Brass 464C46400
Standard Designations & Applicable Specifications
Semantically classified designations distinguishing primary standard identifiers, commercial trade names, and applicable specification references.
Direct Standard DesignationsDIRECT DESIGNATION
2 Primary Identifiers| System | Identifier | Standard System Name | Classification Notes & Provenance |
|---|---|---|---|
| UNSPRIMARY | C46400 | Unified Numbering System | Unified Numbering System standard designation for copper alloys (CDA / SAE / ASTM)Ref: CDA UNS Standard Designations Register (C46400) |
| CDA | Alloy 464 | Copper Development Association Alloy Number | CDA three-digit legacy designationRef: CDA UNS Standard Designations Register (C46400) |
Recognized Commercial Aliases & Trade NamesCOMMON ALIAS
3 Listed| Recognized Name / Alias | Classification | Technical Usage & Context |
|---|---|---|
| Naval Brass | Standard Commercial Name | CDA Standard Commercial Name |
| Tin Brass 464 | Commercial Alias | Colloquial or commercial industry synonym |
| C46400 | Commercial Alias | Colloquial or commercial industry synonym |
Applicable Specifications & Product Form ReferencesSPECIFICATION REFERENCE
12 Applicable Standards| Standards Body | Specification Code | Specification Title / Scope | Relationship Type |
|---|---|---|---|
| SAE | SAE J461 | WROUGHT AND CAST COPPER ALLOYS | Specification Reference |
| SAE | SAE J463 | WROUGHT COPPER AND COPPER ALLOYS | Specification Reference |
| AMS | AMS 4612 | BRASS BARS AND RODS, NAVAL, HARD TEMPER | Specification Reference |
| ASTM | ASTM B124/B124M | COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES | Specification Reference |
| AMS | AMS 4611 | BRASS BARS AND RODS, NAVAL, HALF-HARD | Specification Reference |
| FEDERAL | FEDERAL QQ-B-639 | BRASS, NAVAL, FLAT PRODUCTS (PLATE, BAR, SHEET AND STRIP) | Specification Reference |
| ASTM | ASTM B21/B21M | NAVAL BRASS ROD, BAR AND SHAPES | Specification Reference |
| ASTM | ASTM F468 | NONFERROUS BOLTS, HEX CAP SCREWS, AND STUDS FOR GENERAL USE | Specification Reference |
| ASTM | ASTM B283/B283M | COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED) | Specification Reference |
| ASME | ASME SB283 | COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED) | Specification Reference |
| ASTM | ASTM F467 | NONFERROUS NUTS FOR GENERAL USE | Specification Reference |
| ASTM | ASTM B432 | COPPER AND COPPER ALLOY CLAD STEEL PLATE | Specification Reference |
Engineering Notice: Applicable specifications establish manufacturing requirements, dimensional tolerances, and test criteria for specific product forms (e.g. bus bar, wire, plate, pipe). They represent applicable technical standards, not alternative or equivalent alloy grades.
Chemical Composition (Weight %)
Elemental limits and values from the cited source. Preserves exact semantic limits (minimums, maximums, and ranges).
| Element | Symbol | Atomic No. | Semantic Basis | Specified Value | Unit | Metallurgical Notes & Qualification | Data Status |
|---|---|---|---|---|---|---|---|
| Copper | Cu | 29 | RANGE | 59.00 – 62.00 | wt% | CDA chemical composition specification limits for C46400: 59.0 - 62.0 wt%.Ref: Copper Development Association (CDA) | VERIFIED |
| Lead | Pb | 82 | MAXIMUM | ≤ 0.20 | wt% | CDA chemical composition specification limits for C46400: max 0.2 wt%.Ref: Copper Development Association (CDA) | VERIFIED |
| Tin | Sn | 50 | RANGE | 0.50 – 1.00 | wt% | CDA chemical composition specification limits for C46400: 0.5 - 1.0 wt%.Ref: Copper Development Association (CDA) | VERIFIED |
| Zinc | Zn | 30 | BALANCE | Balance | wt% | Remainder element (Zinc).Ref: Copper Development Association (CDA) | VERIFIED |
| Iron | Fe | 26 | MAXIMUM | ≤ 0.10 | wt% | CDA chemical composition specification limits for C46400: max 0.1 wt%.Ref: Copper Development Association (CDA) | VERIFIED |
* Elemental percentages are expressed in weight percent (wt%). Values represent applicable specification limits. Unspecified trace elements are not fabricated or assumed.Preserves exact semantic basis
Property Display UnitsSwitch between Canonical SI and Source / US Customary units:
Physical Properties
Source-specific physical properties. Test temperatures are shown only where reported.
| Property Parameter | Canonical SI Value | Semantic Basis | Test Temperature / Context Range | Source Raw Reference | Source Reference | Status |
|---|---|---|---|---|---|---|
| Density | 8.415 g/cm³ | TYPICAL | Test Temp: 20 °CCDA Physical Properties: Density 0.304 lb/cu in. at 68°F (8.415 g/cm³ at 20°C) | 0.304 lb/cu in. at 68°F | Copper Development Association Inc. | VERIFIED |
Thermal & Thermodynamic Properties
Phase change temperatures, thermal conductivity, specific heat, mean coefficients of thermal expansion across standardized temperature ranges, and recommended thermal processing windows.
| Property Parameter | Canonical SI Value | Semantic Basis | Test Temperature / Context Range | Source Raw Reference | Source Reference | Status |
|---|---|---|---|---|---|---|
| Liquidus Temperature | 898.9 °C | TYPICAL | CDA Physical Properties: Liquidus temperature 1650.0 °F (898.9 °C) | 1650.0 °F | Copper Development Association Inc. | VERIFIED |
| Solidus Temperature | 887.8 °C | TYPICAL | CDA Physical Properties: Solidus temperature 1630.0 °F (887.8 °C) | 1630.0 °F | Copper Development Association Inc. | VERIFIED |
| Thermal Conductivity | 115.96 W/(m·K) | TYPICAL | Test Temp: 20 °CCDA Physical Properties: Thermal conductivity 67.0 Btu/(ft·hr·°F) (115.96 W/(m·K) at 20°C) | 67.0 Btu/ sq ft/ ft hr/ °F at 68°F | Copper Development Association Inc. | VERIFIED |
| Coefficient of Thermal Expansion (CTE) | 21.24 µm/(m·K) | TYPICAL | CDA Physical Properties: CTE 11.8 µin/(in·°F) (21.24 µm/(m·K)) over range 68-57210°F | 11.8 10^-6 per °F | Copper Development Association Inc. | VERIFIED |
| Specific Heat Capacity | 376.8 J/(kg·K) | TYPICAL | Test Temp: 20 °CCDA Physical Properties: Specific heat 0.09 Btu/(lb·°F) (376.8 J/(kg·K)) | 0.09 Btu/ lb /°F at 68°F | Copper Development Association Inc. | VERIFIED |
| Annealing Temperature Range | 426.7 – 593.3 °C | RANGE | CDA Thermal Treatments: Annealing temperature range 800 - 1100°F (426.7 - 593.3°C) | 800 – 1100 °F | Copper Development Association Inc. | VERIFIED |
| Hot Working Temperature Range | 648.9 – 815.6 °C | RANGE | CDA Thermal Treatments: Hot working range 1200 - 1500°F (648.9 - 815.6°C) | 1200 – 1500 °F | Copper Development Association Inc. | VERIFIED |
Electrical Properties
Electrical conductivity and resistivity in their reported units and conditions.
| Property Parameter | Canonical SI Value | Semantic Basis | Test Temperature / Context Range | Source Raw Reference | Source Reference | Status |
|---|---|---|---|---|---|---|
| Electrical Conductivity | 26 % IACS | TYPICAL | Test Temp: 20 °CCDA Physical Properties: Volume conductivity 26.0 % IACS at 68°F (20°C) | 26.0 % IACS at 68°F | Copper Development Association Inc. | VERIFIED |
Contextual Mechanical Properties & Tempers
Engineering strength, ductility, and hardness values grouped by product form, temper, and section thickness. Mechanical properties are contextual and not isotropic averages.
Elastic & Baseline Mechanical ConstantsSource-specific measurement conditions
Modulus of Elasticity (Tension)
103.4 GPa
CDA Physical Properties: Elastic modulus in tension 15000.0 ksi (103.4 GPa)Modulus of Rigidity
38610.6 MPa
CDA Physical Properties: Shear modulus 5600.0 ksi (38610.6 MPa)Machinability Rating
30 %
CDA Fabrication Properties: Rating relative to Free-Cutting Brass (C36000 = 100%).Forgeability Rating
90 —
CDA Fabrication Properties: Relative forgeability rating.Showing 47 of 47 conditions
| Product Form | Temper / Condition | Section Size | Tensile (UTS) | Yield Strength | Elongation | Shear Strength | Fatigue Strength | Hardness (Scales Preserved) | Status |
|---|---|---|---|---|---|---|---|---|---|
| Flat Products | 1/4 Hard (H01) · 20 °CSource values and qualifiersTensile Strength: 482.6 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Elongation: 17 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — | 0.04 | 482.6 MPa | — | 17 % | — | — | — | VERIFIED |
| Flat Products | 1/4 Hard (H01)Source values and qualifiersRockwell B Hardness: 75 HRB (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell 30T Hardness: 68 HR30T (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 296.5 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — | 0.04 | — | — | — | 296.5 MPa | — | 75 HRB68 HR30T | VERIFIED |
| Flat Products | As Hot Rolled (M20) · 20 °CSource values and qualifiersTensile Strength: 379.2 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 172.4 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 50 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — | 1 | 379.2 MPa | 172.4 MPa | 50 % | — | — | — | VERIFIED |
| Flat Products | As Hot Rolled (M20)Source values and qualifiersRockwell B Hardness: 55 HRB (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Rockwell 30T Hardness: 55 HR30T (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Shear Strength: 275.8 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — | 1 | — | — | — | 275.8 MPa | — | 55 HRB55 HR30T | VERIFIED |
| Flat Products | Light Anneal (O50) · 20 °CSource values and qualifiersTensile Strength: 413.7 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 193.1 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 45 % (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | 413.7 MPa | 193.1 MPa | 45 % | — | — | — | VERIFIED |
| Flat Products | Light Anneal (O50)Source values and qualifiersRockwell B Hardness: 58 HRB (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Rockwell 30T Hardness: 56 HR30T (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 282.7 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | — | — | — | 282.7 MPa | — | 58 HRB56 HR30T | VERIFIED |
| Flat Products | Light Anneal (O50) · 20 °CSource values and qualifiersTensile Strength: 427.5 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 206.8 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 40 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — | 0.04 | 427.5 MPa | 206.8 MPa | 40 % | — | — | — | VERIFIED |
| Flat Products | Light Anneal (O50)Source values and qualifiersRockwell B Hardness: 60 HRB (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell 30T Hardness: 57 HR30T (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 282.7 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — | 0.04 | — | — | — | 282.7 MPa | — | 60 HRB57 HR30T | VERIFIED |
| Flat Products | Soft Anneal (O60) · 20 °CSource values and qualifiersTensile Strength: 399.9 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 172.4 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 49 % (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | 399.9 MPa | 172.4 MPa | 49 % | — | — | — | VERIFIED |
| Flat Products | Soft Anneal (O60)Source values and qualifiersRockwell B Hardness: 56 HRB (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Rockwell 30T Hardness: 55 HR30T (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 275.8 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | — | — | — | 275.8 MPa | — | 56 HRB55 HR30T | VERIFIED |
| Flat Products & Rod | Soft Anneal (O60) · 20 °CSource values and qualifiersTensile Strength: 399.9 MPa (TYPICAL)Section Size: 0.24; Section Size: 0.24 inCopper Development Association (CDA) — Elongation: 49 % (TYPICAL)Section Size: 0.24; Section Size: 0.24 inCopper Development Association (CDA) — Tensile Strength: 399.9 MPa (TYPICAL)Section Size: 0.24; Section Size: 0.24 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 186.2 MPa (TYPICAL)Section Size: 0.24; Section Size: 0.24 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 45 % (TYPICAL)Section Size: 0.24; Section Size: 0.24 inCopper Development Association (CDA) — | 0.24 | 399.9 MPa | 186.2 MPa | 45 % | — | — | — | VERIFIED |
| Flat Products & Rod | Soft Anneal (O60) · 20 °CSource values and qualifiersTensile Strength: 386.1 MPa (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 172.4 MPa (TYPICAL)Section Size: 2; Section Size: 2 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 47 % (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — | 2 | 386.1 MPa | 172.4 MPa | 47 % | — | — | — | VERIFIED |
| Flat Products & Rod | Soft Anneal (O60) · 20 °CSource values and qualifiersTensile Strength: 393 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 172.4 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 47 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — | 1 | 393 MPa | 172.4 MPa | 47 % | — | — | — | VERIFIED |
| Flat Products, Rod & Bar | 1/4 Hard (H01) · 20 °CSource values and qualifiersTensile Strength: 475.7 MPa (TYPICAL)Section Size: 1; Cold Work: 8%; Section Size: 1 inCopper Development Association (CDA) — Elongation: 27 % (TYPICAL)Section Size: 1; Cold Work: 8%; Section Size: 1 inCopper Development Association (CDA) — | 1 | 475.7 MPa | — | 27 % | — | — | — | VERIFIED |
| Flat Products, Rod & Bar | 1/4 Hard (H01) · 20 °CSource values and qualifiersTensile Strength: 461.9 MPa (TYPICAL)Section Size: 2; Cold Work: 8%; Section Size: 2 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 275.8 MPa (TYPICAL)Section Size: 2; Cold Work: 8%; Section Size: 2 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 35 % (TYPICAL)Section Size: 2; Cold Work: 8%; Section Size: 2 inCopper Development Association (CDA) — | 2 | 461.9 MPa | 275.8 MPa | 35 % | — | — | — | VERIFIED |
| Flat Products, Rod & Bar | 1/4 Hard (H01) · 20 °CSource values and qualifiersTensile Strength: 482.6 MPa (TYPICAL)Section Size: 0.24; Cold Work: 10%; Section Size: 0.24 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 330.9 MPa (TYPICAL)Section Size: 0.24; Cold Work: 10%; Section Size: 0.24 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 25 % (TYPICAL)Section Size: 0.24; Cold Work: 10%; Section Size: 0.24 inCopper Development Association (CDA) — | 0.24 | 482.6 MPa | 330.9 MPa | 25 % | — | — | — | VERIFIED |
| Flat Products, Rod & Bar | 1/4 Hard (H01) · 20 °CSource values and qualifiersTensile Strength: 482.6 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 399.9 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 17 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — | 0.04 | 482.6 MPa | 399.9 MPa | 17 % | — | — | — | VERIFIED |
| Flat Products, Rod & Bar | Light Anneal (O50) · 20 °CSource values and qualifiersTensile Strength: 427.5 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 206.8 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 40 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — | 0.04 | 427.5 MPa | 206.8 MPa | 40 % | — | — | — | VERIFIED |
| Flat Products, Rod & Bar | Light Anneal (O50) · 20 °CSource values and qualifiersTensile Strength: 434.4 MPa (TYPICAL)Section Size: 0.24; Section Size: 0.24 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 206.8 MPa (TYPICAL)Section Size: 0.24; Section Size: 0.24 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 40 % (TYPICAL)Section Size: 0.24; Section Size: 0.24 inCopper Development Association (CDA) — Tensile Strength: 413.7 MPa (TYPICAL)Section Size: 0.24; Section Size: 0.24 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 193.1 MPa (TYPICAL)Section Size: 0.24; Section Size: 0.24 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 45 % (TYPICAL)Section Size: 0.24; Section Size: 0.24 inCopper Development Association (CDA) — | 0.24 | 413.7 MPa | 193.1 MPa | 45 % | — | — | — | VERIFIED |
| Flat Products, Rod & Bar | Light Anneal (O50) · 20 °CSource values and qualifiersTensile Strength: 427.5 MPa (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 193.1 MPa (TYPICAL)Section Size: 2; Section Size: 2 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 43 % (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — | 2 | 427.5 MPa | 193.1 MPa | 43 % | — | — | — | VERIFIED |
| Flat Products, Rod & Bar | Light Anneal (O50) · 20 °CSource values and qualifiersTensile Strength: 434.4 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 206.8 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 40 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — | 1 | 434.4 MPa | 206.8 MPa | 40 % | — | — | — | VERIFIED |
| Rod | 1/2 Hard (H02) · 20 °CSource values and qualifiersTensile Strength: 517.1 MPa (TYPICAL)Section Size: 1; Cold Work: 20%; Section Size: 1 inCopper Development Association (CDA) — Elongation: 20 % (TYPICAL)Section Size: 1; Cold Work: 20%; Section Size: 1 inCopper Development Association (CDA) — | 1 | 517.1 MPa | — | 20 % | — | — | — | VERIFIED |
| Rod | 1/2 Hard (H02)Source values and qualifiersRockwell B Hardness: 82 HRB (TYPICAL)Section Size: 1; Cold Work: 20%; Section Size: 1 inCopper Development Association (CDA) — Shear Strength: 303.4 MPa (TYPICAL)Section Size: 1; Cold Work: 20%; Section Size: 1 inCopper Development Association (CDA) — | 1 | — | — | — | 303.4 MPa | — | 82 HRB | VERIFIED |
| Rod | 1/2 Hard (H02) · 20 °CSource values and qualifiersTensile Strength: 551.6 MPa (TYPICAL)Section Size: 0.25; Cold Work: 20%; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 393 MPa (TYPICAL)Section Size: 0.25; Cold Work: 20%; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 20 % (TYPICAL)Section Size: 0.25; Cold Work: 20%; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | 551.6 MPa | 393 MPa | 20 % | — | — | — | VERIFIED |
| Rod | 1/2 Hard (H02)Source values and qualifiersRockwell B Hardness: 85 HRB (TYPICAL)Section Size: 0.25; Cold Work: 20%; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 310.3 MPa (TYPICAL)Section Size: 0.25; Cold Work: 20%; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | — | — | — | 310.3 MPa | — | 85 HRB | VERIFIED |
| Rod | 1/4 Hard (H01) · 20 °CSource values and qualifiersTensile Strength: 482.6 MPa (TYPICAL)Section Size: 0.25; Cold Work: 10%; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 330.9 MPa (TYPICAL)Section Size: 0.25; Cold Work: 10%; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 25 % (TYPICAL)Section Size: 0.25; Cold Work: 10%; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | 482.6 MPa | 330.9 MPa | 25 % | — | — | — | VERIFIED |
| Rod | 1/4 Hard (H01)Source values and qualifiersRockwell B Hardness: 80 HRB (TYPICAL)Section Size: 0.25; Cold Work: 10%; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 296.5 MPa (TYPICAL)Section Size: 0.25; Cold Work: 10%; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | — | — | — | 296.5 MPa | — | 80 HRB | VERIFIED |
| Rod | 1/4 Hard (H01) · 20 °CSource values and qualifiersTensile Strength: 475.7 MPa (TYPICAL)Section Size: 1; Cold Work: 8%; Section Size: 1 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 317.2 MPa (TYPICAL)Section Size: 1; Cold Work: 8%; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 27 % (TYPICAL)Section Size: 1; Cold Work: 8%; Section Size: 1 inCopper Development Association (CDA) — | 1 | 475.7 MPa | 317.2 MPa | 27 % | — | — | — | VERIFIED |
| Rod | 1/4 Hard (H01)Source values and qualifiersRockwell B Hardness: 78 HRB (TYPICAL)Section Size: 1; Cold Work: 8%; Section Size: 1 inCopper Development Association (CDA) — Shear Strength: 296.5 MPa (TYPICAL)Section Size: 1; Cold Work: 8%; Section Size: 1 inCopper Development Association (CDA) — | 1 | — | — | — | 296.5 MPa | — | 78 HRB | VERIFIED |
| Rod | 1/4 Hard (H01) · 20 °CSource values and qualifiersTensile Strength: 461.9 MPa (TYPICAL)Section Size: 2; Cold Work: 8%; Section Size: 2 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 275.8 MPa (TYPICAL)Section Size: 2; Cold Work: 8%; Section Size: 2 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 35 % (TYPICAL)Section Size: 2; Cold Work: 8%; Section Size: 2 inCopper Development Association (CDA) — | 2 | 461.9 MPa | 275.8 MPa | 35 % | — | — | — | VERIFIED |
| Rod | 1/4 Hard (H01)Source values and qualifiersRockwell B Hardness: 75 HRB (TYPICAL)Section Size: 2; Cold Work: 8%; Section Size: 2 inCopper Development Association (CDA) — Shear Strength: 296.5 MPa (TYPICAL)Section Size: 2; Cold Work: 8%; Section Size: 2 inCopper Development Association (CDA) — | 2 | — | — | — | 296.5 MPa | — | 75 HRB | VERIFIED |
| Rod | Light Anneal (O50) · 20 °CSource values and qualifiersTensile Strength: 434.4 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 206.8 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 40 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — | 1 | 434.4 MPa | 206.8 MPa | 40 % | — | — | — | VERIFIED |
| Rod | Light Anneal (O50)Source values and qualifiersRockwell B Hardness: 60 HRB (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Shear Strength: 289.6 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — | 1 | — | — | — | 289.6 MPa | — | 60 HRB | VERIFIED |
| Rod | Light Anneal (O50) · 20 °CSource values and qualifiersTensile Strength: 427.5 MPa (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 193.1 MPa (TYPICAL)Section Size: 2; Section Size: 2 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 43 % (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — | 2 | 427.5 MPa | 193.1 MPa | 43 % | — | — | — | VERIFIED |
| Rod | Light Anneal (O50)Source values and qualifiersRockwell B Hardness: 60 HRB (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — Shear Strength: 289.6 MPa (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — | 2 | — | — | — | 289.6 MPa | — | 60 HRB | VERIFIED |
| Rod | Light Anneal (O50) · 20 °CSource values and qualifiersTensile Strength: 434.4 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 206.8 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 40 % (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | 434.4 MPa | 206.8 MPa | 40 % | — | — | — | VERIFIED |
| Rod | Light Anneal (O50)Source values and qualifiersRockwell B Hardness: 60 HRB (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 289.6 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | — | — | — | 289.6 MPa | — | 60 HRB | VERIFIED |
| Rod | Soft Anneal (O60) · 20 °CSource values and qualifiersTensile Strength: 399.9 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 186.2 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 45 % (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | 399.9 MPa | 186.2 MPa | 45 % | — | — | — | VERIFIED |
| Rod | Soft Anneal (O60)Source values and qualifiersRockwell B Hardness: 56 HRB (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 275.8 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — | 0.25 | — | — | — | 275.8 MPa | — | 56 HRB | VERIFIED |
| Rod | Soft Anneal (O60) · 20 °CSource values and qualifiersTensile Strength: 386.1 MPa (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 172.4 MPa (TYPICAL)Section Size: 2; Section Size: 2 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 47 % (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — | 2 | 386.1 MPa | 172.4 MPa | 47 % | — | — | — | VERIFIED |
| Rod | Soft Anneal (O60)Source values and qualifiersRockwell B Hardness: 55 HRB (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — Shear Strength: 275.8 MPa (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) — | 2 | — | — | — | 275.8 MPa | — | 55 HRB | VERIFIED |
| Rod | Soft Anneal (O60) · 20 °CSource values and qualifiersTensile Strength: 393 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 172.4 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 47 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — | 1 | 393 MPa | 172.4 MPa | 47 % | — | — | — | VERIFIED |
| Rod | Soft Anneal (O60)Source values and qualifiersRockwell B Hardness: 55 HRB (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Shear Strength: 275.8 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — | 1 | — | — | — | 275.8 MPa | — | 55 HRB | VERIFIED |
| Rod & Bar | 1/2 Hard (H02) · 20 °CSource values and qualifiersTensile Strength: 517.1 MPa (TYPICAL)Section Size: 1; Cold Work: 20%; Section Size: 1 inCopper Development Association (CDA) — Elongation: 20 % (TYPICAL)Section Size: 1; Cold Work: 20%; Section Size: 1 inCopper Development Association (CDA) — | 1 | 517.1 MPa | — | 20 % | — | — | — | VERIFIED |
| Rod & Bar | 1/2 Hard (H02) · 20 °CSource values and qualifiersTensile Strength: 551.6 MPa (TYPICAL)Section Size: 0.24; Cold Work: 20%; Section Size: 0.24 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 393 MPa (TYPICAL)Section Size: 0.24; Cold Work: 20%; Section Size: 0.24 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 20 % (TYPICAL)Section Size: 0.24; Cold Work: 20%; Section Size: 0.24 inCopper Development Association (CDA) — | 0.24 | 551.6 MPa | 393 MPa | 20 % | — | — | — | VERIFIED |
| Tube | Hard Drawn (H80) · 20 °CSource values and qualifiersTensile Strength: 606.7 MPa (TYPICAL)Cold Work: 35%Copper Development Association (CDA) — Elongation: 18 % (TYPICAL)Cold Work: 35%Copper Development Association (CDA) — | — | 606.7 MPa | — | 18 % | — | — | — | VERIFIED |
| Tube | Hard Drawn (H80)Source values and qualifiersRockwell B Hardness: 95 HRB (TYPICAL)Cold Work: 35%Copper Development Association (CDA) — | — | — | — | — | — | — | 95 HRB | VERIFIED |
Hardness Integrity Notice: Rockwell B (HRB), Rockwell F (HRF), and Superficial 30T (HR30T) scales are reported on their measured scales without cross-scale mathematical conversion.
Source: See fact-level citations
Processing & Fabrication Characteristics
Machining, joining, forming, and thermal processing ratings cataloged from the cited authoritative technical reference.
Machinability
Machinability rating: 30% relative to free-cutting brass (C36000 = 100%). Forgeability rating: 90.
Weldability & Joining
Soldering: Excellent; Brazing: Excellent; Oxyacetylene Welding: Good; Gas Shielded Arc Welding: Fair; Coated Metal Arc Welding: Not Recommended; Spot Weld: Good; Seam Weld: Fair; Butt Weld: Good
Heat Treatment & Working Ranges
Annealing temperature range: 426.7°C to 593.3°C (800°F - 1100°F). Hot working temperature range: 648.9°C to 815.6°C (1200°F - 1500°F).
Forming & Cold Working
Capacity for Being Cold Worked: Fair. Capacity for Being Hot Formed: Excellent.
Comparable Grades & Cross-References
Carefully classified cross-reference relationships for C46400 Naval Brass. Comparable does not mean equivalent.
| Related Material | Family | Relationship Classification | Metallurgical Notes & Differences | Status | Action |
|---|---|---|---|---|---|
| C36000 Free-Cutting Brass | Copper Alloys | Commonly Compared | C46400 Naval Brass includes 0.5-1.0% tin to inhibit seawater dezincification, whereas C36000 contains ~3% lead for 100% machinability.Materials serve different design priorities (e.g. higher strength vs superior corrosion resistance or cost). | VERIFIED | Side-by-Side Compare → |
| C28000 Muntz Metal 60/40 | Copper Alloys | Nearest Alternative | C46400 is tin-inhibited Muntz metal formulated for seawater resistance, whereas C28000 is uninhibited binary 60/40 brass.Design parameters (weldability, hardenability, fatigue limit) must be re-evaluated for the specific application. | VERIFIED | Side-by-Side Compare → |
Sources & Provenance Trail
Reference publications and standards organization registers cited across this material record.
Copper Development Association Inc.CDA Alloy C46400 Property & Specification Profile
AUTHORITATIVE BODY
Copper Development Association authoritative technical reference profile for C46400 Naval Brass.
Issuing Body: Copper Development Association (CDA)View Source Record ↗
Copper Development Association Inc.CDA UNS Standard Designations Register (C46400)
AUTHORITATIVE BODY
Unified Numbering System (UNS) designation registration register confirming active C46400 status.
Issuing Body: Copper Development Association (CDA)View Source Record ↗
Intellectual Property & Provenance Notice: Mat Grades cites technical literature from recognized industry associations and standards organizations. Underlying technical standards and publication data remain the intellectual property of their respective issuing organizations.