Material ‐ ASTM B505 Tin Bronze UNS C90700

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 %10.000 ‐ 12.000
LeadPb %0.500 max.
ZincZn %0.500 max.
Ni + CuNi% + Cu%0.500 max.
IronFe %0.150 max.
AntimonySb %0.200 max.
SulphurS %0.050 max.
PhosphorusP %1.500 max.
AluminiumAl %0.005 max.
SiliconSi %0.005 max.
CopperCu %88.000 ‐ 90.000
Heat Treatment
As ‐ Cast
Mechanical Properties
Tensile Strength in Mpa276 min.
Yield Strength in Mpa172 min.
Elongation in %10 min.
Reduction of Area in %
Hardness in BHN
Impact in Joule

Cross Reference Table

Material Standard Country Grade Belong to the Industry
B30 C90700 ASTM USA Ingot and Casting
B427 C90700 ASTM USA Casting
B505 C90700 ASTM USA Casting
SB ‐ 505 C90700 ASME USA Casting
CA907 SAE USA Casting
SAE 65 SAE USA Casting
CACIn502 KS Korea Ingot and Casting