Material ‐ ASTM B505 Leaded Tin Bronze UNS C92300

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 %7.500 ‐ 9.000
LeadPb %0.300 ‐ 1.000
ZincZn %2.500 ‐ 5.000
Ni + CuNi% + Cu%1.000 max.
IronFe %0.250 max.
AntimonySb %0.250 max.
SulphurS %0.050 max.
PhosphorusP %1.500 max.
AluminiumAl %0.005 max.
SiliconSi %0.005 max.
CopperCu %85.000 ‐ 89.000
Heat Treatment
As ‐ Cast
Mechanical Properties
Tensile Strength in Mpa276 min.
Yield Strength in Mpa131 min.
Elongation in %16 min.
Reduction of Area in %
Hardness in BHN
Impact in Joule

Cross Reference Table

Material Standard Country Grade Belong to the Industry
B30 2B ASTM USA Ingot and Casting
B30 C92300 ASTM USA Ingot and Casting
B271 C92300 ASTM USA Casting
B505 C92300 ASTM USA Casting
B584 C92300 ASTM USA Casting
SB ‐ 505 C92300 ASME USA Casting
CA923 SAE USA Ingot and Casting