Material ‐ ASTM B66 C93800

Standard Specification for Gear Bronze Alloy Casting

Group - Non ‐ Ferrous Copper Alloy

Sub Group - ASTM B66 Gear Bronze Alloy Casting

Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries

Grade Belongs to the Industry - Casting

Chemical Composition
AluminiumAl %0.005 max.
IronFe %0.150 max.
Ni + CoNi% + Co%1.000 max.
PhosphorusP %0.050 max.
LeadPb %13.000 ‐ 16.000
SulphurS %0.080 max.
AntimonySb %0.800 max.
SiliconSi %0.005 max.
TinSn %6.300 ‐ 7.500
ZincZn %0.800 max.
CopperCu %75.000 ‐ 79.000
Heat Treatment
As ‐ Cast
Mechanical Properties
Tensile Strength in Mpa179 min.
Yield Strength in Mpa97 min.
Elongation in %12 min.
Reduction of Area in %
Hardness in BHN
Impact in Joule

Cross Reference Table

Material Standard Country Grade Belong to the Industry
C93800 UNS USA Rod, Bar, Tube and Shapes
B30 C93800 ASTM USA Ingot and Casting
SB ‐ 505 C93800 ASME USA Casting
SB ‐ 584 C93800 ASME USA Casting
C93800 SAE USA Casting
CA938 SAE USA Casting
CACIn604 KS Korea Ingot and Casting