Material ‐ ASTM B505 Nickel ‐ Alumium Bronze UNS C95520

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 Heat Treatment
Tin Sn % 0.250 max.
Lead Pb % 0.030 max.
Zinc Zn % 0.300 max.
Ni + Cu Ni% + Cu% 4.200 ‐ 6.000 As ‐ Cast or Solution Annealing or Annealing
Iron Fe % 4.000 ‐ 5.500
Manganese Mn % 1.500 max.
Aluminium Al % 10.000 ‐ 11.500
Copper Cu % 74.500 min.
‐ ‐ ‐ Mechanical Properties
‐ ‐ ‐ Tensile Strength in Mpa 862 min.
‐ ‐ ‐ Yield Strength in Mpa 655 min.
‐ ‐ ‐ Elongation in % 8 min.
‐ ‐ ‐ Reduction of Area in % ‐
‐ ‐ ‐ Hardness in BHN 262 min.
‐ ‐ ‐ Impact in Joule ‐

Cross Reference Table

Material Standard Country Grade Belong to the Industry
B30 C95520 ASTM USA Ingot and Casting
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
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