COPPER NICKELS
Comparative Specifications
Nominal Chemical Analysis
Mechanical Properties
TECHNI-CAST CN7030 CN9010
FEDERAL QQ-C-390A, CA 964 QQ-C-390A, CA 962
QQ-C-390, X9
MILITARY MIL-C-15345g, #24 MIL-C-15345g, #25
MIL-C-20159B, TY. I MIL-C-20159B, TY. II
NAVY 46C8a, Gr. I
ASTM B-369, CA 964 B-369, CA 962
B-369, B B-369, A
SAE C96400 C96200
AMS
COPPER 67.00 87.00
ZINC
IRON 0.75 1.25
SILICON 0.35 0.20
NICKEL 30.00 10.00
COBALT
MANGANESE 0.75 0.75
BERYLLIUM
NIOBIUM 1.15 0.80
CHROMIUM
TENSILE STRENGTH, psi 72,000 50,000
YIELD STRENGTH, psi 40,000 30,000
ELONGATION % 35 28
HARDNESS, BRINELL 135
CONDITION AC AC
Wrought specifications are listed in parenthesis.