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USA UNS C75200
Corresponding Standard ASTM B151/151M-2013
Copper-Nickel-Zinc alloy (Nickel silver) and Copper-Nickel rod and bar
Classification Copper and Copper Alloys
Chemical Element Composition Content (%)
Component Fe Mn Ni ② Cu ① Pb More
Minimum Value - - 16.5 63 - Zn余量
Maximum Value 0.25 0.5 19.5 66.5 0.05
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Round bars, (0.5≤t≤10mm) H01 - 1/4 Hard 415~550
Bars (round, hexagonal, octagonal), (0.5≤t≤6.5mm) H04 - Hard 550~690
Bars (round, hexagonal, octagonal), (6.5＜t≤10mm) H04 - Hard 485~620
Bars (round, hexagonal, octagonal), (10＜t≤25mm) H04 - Hard 450~590
Bars (round, hexagonal, octagonal), (t＞25mm) H04 - Hard 415~550
Bars (square, rectangular), (all sizes) H04 - Hard 470~605

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