International Material Cross-Reference & Equivalency
Cross-reference designations across national and international standards (ASTM/UNS, EN/DIN Werkstoff, JIS, ISO, GB). Comparable does not mean equivalent. Engineering substitutions must account for differing impurity limits, testing protocols, and mechanical tolerances.
International standard designations are established by distinct standards bodies with differing testing standards (e.g. ASTM E8 vs ISO 6892-1). Even when chemical compositions overlap, allowable trace impurities (such as phosphorus, sulfur, or iron), grain size requirements, temper nomenclature, and minimum elongation criteria can differ.
Never authorize a structural alloy substitution without verifying the governing procurement specification, temper, ruling section size, and environmental compatibility.
Relationship Classification Governance
Show All TypesIdentical chemical composition and mechanical requirements across different naming authorities.
Rule: Direct 1:1 dual specification permissible subject to certified mill test reports (MTR).Officially recognized counterpart in another national or international engineering standard (e.g. ASTM to EN).
Rule: Chemical limits or testing protocols may have subtle differences (e.g. tighter P/S ceilings or impact requirements). Engineering review required before substitution.Substantially identical chemistry and overlapping mechanical envelope, but slight variations in allowable trace elements or testing protocols exist across governing standards.
Rule: Direct commercial substitution is generally permissible subject to certified Mill Test Report (MTR) confirmation for critical applications.Similar base alloy chemistry and general functional properties, but noticeable divergence in allowable impurity ceilings, cold-work response, or minimum yield requirements.
Rule: Engineering substitution review required. Design calculations must verify temper, formability, and corrosion limits before specifying as a direct replacement.Similar base chemistry and functional performance envelope, but not officially harmonized by standards organizations.
Rule: Comparable does not mean equivalent. Heat treatment response and dimensional tolerances may diverge.Close metallurgical alternative when the primary grade is unavailable or obsolete.
Rule: Design parameters (weldability, hardenability, fatigue limit) must be re-evaluated for the specific application.Frequently evaluated side-by-side during trade-off studies or alloy selection.
Rule: Materials serve different design priorities (e.g. higher strength vs superior corrosion resistance or cost).Materials superficially mistaken for equivalents that exhibit critical metallurgical incompatibilities.
Rule: DO NOT SUBSTITUTE without full engineering re-qualification.| Source Alloy (UNS) | Relationship Type | Target Grade / Standard | Engineering Scope & Nuance | Actions |
|---|---|---|---|---|
| C26000 Cartridge Brass 70/30Cartridge Brass | Commonly Compared | C36000 Free-Cutting BrassConfidence: HIGH | C26000 (Cartridge Brass 70/30) is a single-phase alpha brass with the highest cold-ductility of all brasses, ideal for deep-drawing. C36000 is an alpha-beta leaded brass engineered specifically for automatic screw machining (100% machinability rating vs 30% for C26000). | |
| C26000 Cartridge Brass 70/30Cartridge Brass | Commonly Compared | C26800 Yellow Brass 66%Confidence: HIGH | C26000 (70/30) provides maximum deep-drawing cold ductility; C26800 (66/34) is an economical commercial alternative for shallow drawing and stamping. | |
| C26000 Cartridge Brass 70/30Cartridge Brass | Commonly Compared | C28000 Muntz Metal 60/40Confidence: HIGH | C26000 is single-phase alpha brass for severe cold drawing; C28000 is two-phase duplex alpha-beta brass for hot forging and hot stamping. | |
| C26800 Yellow Brass 66%Yellow Brass | Commonly Compared | C26000 Cartridge Brass 70/30Confidence: HIGH | C26800 Yellow Brass 66% (66Cu-34Zn) offers commercial economy for sheet stamping and spinning, whereas C26000 (70Cu-30Zn) provides higher cold ductility for severe deep drawing. | |
| C26800 Yellow Brass 66%Yellow Brass | Commonly Compared | C28000 Muntz Metal 60/40Confidence: HIGH | C26800 is a single-phase alpha brass optimized for cold working, while C28000 is a duplex alpha-beta brass optimized for hot working and forging. | |
| C28000 Muntz Metal 60/40Yellow Brass | Commonly Compared | C26800 Yellow Brass 66%Confidence: HIGH | C28000 Muntz Metal 60/40 is a two-phase duplex brass engineered for hot forging and hot rolling, whereas C26800 is a single-phase alpha brass engineered for cold stamping. | |
| C28000 Muntz Metal 60/40Yellow Brass | Commonly Compared | C26000 Cartridge Brass 70/30Confidence: HIGH | C28000 provides high hot-forging plasticity and higher hardness for architectural plates and tube sheets, whereas C26000 provides maximum cold drawing capability. | |
| C36000 Free-Cutting BrassFree-Machining Brass | Commonly Compared | C26000 Cartridge Brass 70/30Confidence: HIGH | C36000 Free-Cutting Brass contains ~3% lead for optimal 100% machinability rating and chip breaking in turning operations. C26000 Cartridge Brass contains no lead and provides superior cold drawing and stamping capability. | |
| C36000 Free-Cutting BrassFree-Machining Brass | Commonly Compared | C46400 Naval BrassConfidence: HIGH | C36000 is optimized for automated high-speed turning (100% machinability rating), whereas C46400 is optimized for marine corrosion resistance and strength (30% machinability rating). | |
| C36000 Free-Cutting BrassFree-Machining Brass | Commonly Compared | C14500 Tellurium CopperConfidence: HIGH | C36000 provides 100% machinability rating with 28% IACS conductivity, whereas C14500 provides 85% machinability rating with 93% IACS conductivity. | |
| C36000 Free-Cutting BrassFree-Machining Brass | Commonly Compared | C11000 ETP CopperConfidence: HIGH | C36000 is a leaded brass optimized for precision machining (100% rating) with tensile strength 340-470 MPa, whereas C11000 is unalloyed copper providing 101% IACS conductivity but low machinability (20%). |