Material ‐ ASTM B30 C95520

Standard Specification for Copper Alloys Ingot and Casting

Group - Non ‐ Ferrous Copper Alloy

Sub Group - ASTM B30 Copper Alloys Ingot and Casting

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

Grade Belongs to the Industry - Ingot and Casting

Chemical Composition
AluminiumAl %10.500 ‐ 11.500
CobaltCo %0.200 max.
ChromiumCr %0.050 max.
IronFe %4.000 ‐ 5.500
ManganeseMn %1.500 max.
NickelNi %4.200 ‐ 6.000
LeadPb %0.030 max.
SiliconSi %0.150 max.
TinSn %0.250 max.
ZincZn %0.300 max.
CopperCu %74.500 min.
Heat Treatment
As ‐ Cast or Solution Annealing or Annealing
Mechanical Properties
Tensile Strength in Mpa862 min.
Yield Strength in Mpa655 min.
Elongation in %3 min.
Reduction of Area in %
Hardness in HB262 min.
Impact in Joule

Cross Reference Table

Material Standard Country Grade Belong to the Industry
C95520 UNS USA Rod, Bar, Tube and Shapes
B271 C95520 ASTM USA Casting
B505 C95520 ASTM USA Casting
SB ‐ 148 C95520 ASME USA Casting
78Cu ‐ 11Al ‐ 5.1Ni ‐ 4.8Fe SAE USA Casting