Material ‐ ASTM B145 ‐ 4B

Standard Specification for Copper Alloy Sand Casting for General Applications

Group - Non ‐ Ferrous Copper Alloy

Sub Group - ASTM B145 Copper Alloy Sand Casting for General Applications

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

Grade Belongs to the Industry - Casting

Chemical Composition
AluminiumAl %0.005 max.
IronFe %0.300 max.
Ni + CoNi% + Co%1.000 max.
PhosphorusP %0.030 max.
LeadPb %5.000 ‐ 7.000
SulphurS %0.080 max.
AntimonySb %0.250 max.
SiliconSi %0.005 max.
TinSn %3.300 ‐ 4.200
ZincZn %5.000 ‐ 8.000
CopperCu %82.000 ‐ 83.800
Heat Treatment
As ‐ Cast
Mechanical Properties
Tensile Strength in Mpa207 min.
Yield Strength in Mpa90 min.
Elongation in %20 min.
Reduction of Area in %
Hardness in BHN
Impact in Joule

Cross Reference Table

Material Standard Country Grade Belong to the Industry
C83800 UNS USA Rod, Bar, Tube and Shapes
C83800 SAE USA Casting
B30 C83800 ASTM USA Casting
B505 C83800 ASTM USA Casting
CA838 SAE USA Casting
B584 C83800 ASTM USA Casting
SB ‐ 505 C83800 ASME USA Casting