不锈钢201.202.304.316.321.430.409.他它们的镍是多少

GB 1220-92 GOST 5632-72 JIS G4303-91 A276-96 BS970Part1 DIN17400-96 NFA35-578-91 683/13-86
BSEN10088-1-95 DINEN10088-1-95 NFEN10088-1-95 TR4956/84
1Cr17Mn6Ni5N - SUS201 201 X12CrMnNiN X12CrMnNiN X12CrMnNiN 17-7-5 A-2
2017-7-5 2017-7-5
1Cr18Mn8Ni5N 12KH17G9AH4 SUS202 202 X12CrMnNiN X12CrMnNiN X12CrMnNiN 18-9-5 A-3
2018-9-5 2018-9-5
1Cr17Ni7 - SUS301 301 BS970Part1-96 301S21 - NFA35-574-95 Z12CN17.07 14
1Cr18Ni9 12KH18H9 SUS302 302 302S31 DIN17440-96 X12CrNi18-9 Z10CN18.09 12
Y1Cr18Ni9 - SUS303 303 303S31 X12CrNiS18-9 Z10CNF18.09 17