执行标准：                   AWS A5.7: ERCuMnNiAl

                                   DIN 1733 : SG-CuMn13Al7

SG-CuMn13Al7

余量

6.5-8.5

≤0.1

≤0.15

11.0-14.0

≤0.02

1.5-3.0

1.5-3.0

≤0.4

ERCuMnNiAl

余量

8.5-9.5

≤0.10

≤0.10

0.60-3.50

≤0.02

4.0-5.5

3.0-5.0

≤0.50