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                      

规格    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

化学    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    拉伸强度，psi                50,000

机械    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