MAT GRADES — 105 VERIFIED MATERIALS • 100% ITEM-LEVEL PROVENANCE

Material Comparison Engine

Compare verified materials with source-specific conditions, units, and property limits.

Material A (Baseline)
Material B (Comparison)
!
Temper & Metallurgical Context Qualification:The selected records contain different or missing source contexts. Values shown in separate rows are not directly matched. Typical and estimated values are not guaranteed minima; matching context alone does not establish interchangeability.
1. Identity, Classification & Standards
ParameterC95400 Aluminum Bronze 9CC63000 Nickel-Aluminum Bronze (AMS 4640)
Material FamilyCopper AlloysCopper Alloys
SubfamilyAluminum BronzeAluminum Bronze
UNS DesignationC95400C63000
COMMERCIAL DesignationAluminum Bronze 9CNickel-Aluminum Bronze (AMS 4640)
CDA DesignationAlloy 954Alloy 630
SPECIFICATION DesignationSAE J461SAE J461
2. Chemical Composition Limits (wt %)Source-specific limits and typical values
ElementC95400 Aluminum Bronze 9CC63000 Nickel-Aluminum Bronze (AMS 4640)
Cu (Copper)≥ 83%Bal.
Fe (Iron)3 – 5%2 – 4%
Ni (Nickel)≤ 1.5%4 – 5.5%
Al (Aluminum)10 – 11.5%9 – 11%
Mn (Manganese)≤ 0.5%≤ 1.5%
Sn (Tin)—≤ 0.2%
Zn (Zinc)—≤ 0.3%
Si (Silicon)—≤ 0.25%
3. Physical Properties
PropertyC95400 Aluminum Bronze 9CC63000 Nickel-Aluminum Bronze (AMS 4640)
Density · TYPICAL · 20 °CUnit: g/cm³7.446 g/cm³7.584 g/cm³
4. Contextual Mechanical PropertiesUnit: SI
Mechanical ParameterC95400 Aluminum Bronze 9CAs Centrifugal Cast (M02)C63000 Nickel-Aluminum Bronze (AMS 4640)As Hot Extruded (M30)
Modulus of Elasticity (Tension) · TYPICALUnit: GPa106.9 GPa120.7 GPa
Machinability Rating · TYPICALUnit: %60 %30 %
Tensile Strength · As Centrifugal Cast · As Centrifugal Cast (M02) · TYPICAL · 20 °CUnit: MPa517.1 MPa— MPa
Tensile Strength · Bar · 3 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: MPa— MPa620.5 MPa
Tensile Strength · Rod · 4 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: MPa— MPa689.5 MPa
Yield Strength (0.5% Ext) · As Centrifugal Cast · As Centrifugal Cast (M02) · TYPICAL · 20 °CUnit: MPa206.8 MPa— MPa
Yield Strength (0.5% Ext) · Bar · 3 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: MPa— MPa344.7 MPa
Yield Strength (0.5% Ext) · Rod · 4 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: MPa— MPa413.7 MPa
Elongation · As Centrifugal Cast · As Centrifugal Cast (M02) · TYPICAL · 20 °CUnit: %12 %— %
Elongation · Bar · 3 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: %— %15 %
Elongation · Rod · 4 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: %— %15 %
Shear Strength · Rod · 4 · As Hot Extruded (M30) · TYPICALUnit: MPa— MPa427.5 MPa
Fatigue Strength · Rod · 4 · As Hot Extruded (M30) · TYPICALUnit: MPa— MPa248.2 MPa
Modulus of Rigidity · TYPICALUnit: MPa— MPa44126.4 MPa
Forgeability Rating · TYPICALUnit: —— —75 —
5. Electrical & Thermal Conductive Properties
PropertyC95400 Aluminum Bronze 9CC63000 Nickel-Aluminum Bronze (AMS 4640)
Electrical Conductivity · TYPICAL · 20 °CCategory: ELECTRICAL • Unit: % IACS13 % IACS7 % IACS
Liquidus Temperature · TYPICALCategory: THERMAL • Unit: °C1037.8 °C1054.4 °C
Solidus Temperature · TYPICALCategory: THERMAL • Unit: °C1026.7 °C1035 °C
Thermal Conductivity · TYPICAL · 20 °CCategory: THERMAL • Unit: W/(m·K)58.67 W/(m·K)39.11 W/(m·K)
Coefficient of Thermal Expansion (CTE) · TYPICALCategory: THERMAL • Unit: µm/(m·K)16.2 µm/(m·K)16.2 µm/(m·K)
Specific Heat Capacity · TYPICAL · 20 °CCategory: THERMAL • Unit: J/(kg·K)418.7 J/(kg·K)376.8 J/(kg·K)
Annealing Temperature Range · RANGECategory: THERMAL • Unit: °C621.1–662.8 °C593.3–704.4 °C
Hot Working Temperature Range · RANGECategory: THERMAL • Unit: °C— °C787.8–926.7 °C
6. Hardness Evaluation (Discrete Scales Preserved)No cross-scale mathematical conversion
Hardness ScaleC95400 Aluminum Bronze 9CC63000 Nickel-Aluminum Bronze (AMS 4640)
Brinell Hardness · As Centrifugal Cast · As Centrifugal Cast (M02) · TYPICAL150 HB—
Rockwell B Hardness · Bar · 3 · As Hot Extruded (M30) · TYPICAL—96 HRB
Rockwell B Hardness · Rod · 4 · As Hot Extruded (M30) · TYPICAL—96 HRB
7. Fabrication & Processing Comparison
C95400 Aluminum Bronze 9C Characteristics:

Machinability: Machinability rating: 60% relative to free-cutting brass (C36000 = 100%).

Weldability: Soldering: Good; Brazing: Good; Oxyacetylene Welding: Not Recommended; Gas Shielded Arc Welding: Good; Coated Metal Arc Welding: Good

Heat Treatment & Annealing: Annealing temperature range: 621.1°C to 662.8°C (1150°F - 1225°F).

C63000 Nickel-Aluminum Bronze (AMS 4640) Characteristics:

Machinability: Machinability rating: 30% relative to free-cutting brass (C36000 = 100%). Forgeability rating: 75.

Weldability: Soldering: Not Recommended; Brazing: Fair; Oxyacetylene Welding: Not Recommended; Gas Shielded Arc Welding: Good; Coated Metal Arc Welding: Good; Spot Weld: Good; Seam Weld: Good; Butt Weld: Good

Formability / Cold Working: Capacity for Being Cold Worked: Poor. Capacity for Being Hot Formed: Good.

Heat Treatment & Annealing: Annealing temperature range: 593.3°C to 704.4°C (1100°F - 1300°F). Hot working temperature range: 787.8°C to 926.7°C (1450°F - 1700°F).