Material ‐ ASTM B505 Leaded Tin Bronze UNS C92700

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 %9.000 ‐ 11.000
LeadPb %1.000 ‐ 2.500
ZincZn %0.700 max.
Ni + CuNi% + Cu%1.000 max.
IronFe %0.200 max.
AntimonySb %0.250 max.
SulphurS %0.050 max.
PhosphorusP %1.500 max.
AluminiumAl %0.005 max.
SiliconSi %0.005 max.
CopperCu %86.000 ‐ 89.000
Heat Treatment
As ‐ Cast
Mechanical Properties
Tensile Strength in Mpa252 min.
Yield Strength in Mpa138 min.
Elongation in %8 min.
Reduction of Area in %
Hardness in BHN
Impact in Joule

Cross Reference Table

Material Standard Country Grade Belong to the Industry
B30 C92700 ASTM USA Ingot and Casting
B505 C92700 ASTM USA Casting
CA927 SAE USA Casting
SAE 63 SAE USA Casting
SB ‐ 505 C92700 ASME USA Casting
C92700 SAE USA Casting