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             AWS A5.7，ERCuNi                         DIN 1733 S-CuNi30Fe

             MIL-E-21562 Types MIL-RN67,MIL-EN67 Werkstoff Nr.2.0837

             ASME Ⅱ,SFA-5.7,ERCuNi              UNS C71581                     

規(guī)格    ASME Ⅸ,F-No.34                              ISO S Cu 7158

            BS 2901 (C18)                             Europe S Cu 7158(CuNi30)                     

            Nia--------- 29.0-32.0         Si -------------0.25 max

化學(xué)    C ---------- 0.04 max          Ti ----------- 0.20-0.50

成份    Mn ---------- 1.0 max          P ------------- 0.03 max

           Fe -------- 0.40-0.70         其它----------- 0.50 max

          S  --------- 0.01 max         

          Cu ------------ 剩余         

a添加Co

最低   拉伸強(qiáng)度，psi                50,000

機(jī)械    MPa                                      345

性能   延伸率，(4d）%                   30

mm

0.8

0.9

1.0

1.14

1.2

1.6

2.4

3.2

in

0.030

0.035

0.040

0.045

0.047

0.062

0.093

0.125