Material ‐ ASTM B505 High ‐ Leaded Tin Bronze UNS C93500

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 %4.3000 ‐ 6.000
LeadPb %8.000 ‐ 10.000
ZincZn %2.000 max.
Ni + CuNi% + Cu%1.000 max.
IronFe %0.200 max.
AntimonySb %0.300 max.
SulphurS %0.080 max.
PhosphorusP %1.500 max.
AluminiumAl %0.005 max.
SiliconSi %0.005 max.
CopperCu %83.000 ‐ 86.000
Heat Treatment
As Cast or Solution Annealing and Precipitation
Mechanical Properties
Tensile Strength in Mpa207 min.
Yield Strength in Mpa110 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
B30 C93500 ASTM USA Ingot and Casting
B271 C93500 ASTM USA Casting
SB ‐ 505 C93500 ASME USA Casting
SB ‐ 584 C93500 ASME USA Casting
C93500 SAE USA Casting
CA935 SAE USA Casting
C93500 AS Australia Ingot and Casting