Material ‐ ASTM B505 High ‐ Leaded Tin Bronze UNS C94300

Standard Specification for Copper Alloy Continuous Casting

Group - Non ‐ Ferrous Copper Alloy

Sub Group - ASTM B505 / 505M Copper Alloys for Continuous Casting

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

Grade Belongs to the Industry - Rod, Bar, Tube and Shapes

Chemical Composition
TinSn %4.500 ‐ 6.000
LeadPb %23.000 ‐ 27.000
ZincZn %0.800 max.
Ni + CuNi% + Cu%1.000 max.
IronFe %0.150 max.
AntimonySb %0.800 max.
SulphurS %0.080 max.
PhosphorusP %1.500 max.
AluminiumAl %0.005 max.
SiliconSi %0.005 max.
CopperCu %67.000 ‐ 72.000
Heat Treatment
As ‐ Cast
Mechanical Properties
Tensile Strength in Mpa145 min.
Yield Strength in Mpa103 min.
Elongation in %7 min.
Reduction of Area in %
Hardness in BHN
Impact in Joule

Cross Reference Table

Material Standard Country Grade Belong to the Industry
B144 ‐ 3E ASTM USA Casting
B30 C94300 ASTM USA Ingot and Casting
B505 C94300 ASTM USA Casting
C94300 SAE USA Casting
CA943 SAE USA Casting
SB ‐ 505 C94300 ASME USA Casting
SB ‐ 584 C94300 ASME USA Casting