Mn13 High manganese wear resistant steel
Bulletproof steel plate:PRO500、BP550、NP550...
High manganese steel: x120mn12, 1.3401, K700, A128, Mn13
Ship steel: 921A, 922a, 923a, 907A, 903 ...
Stainless steel: fv520b, 17-4PH,15mnnicrmov...
Non magnetizable steel:X40MnCr18、X40MnCrN19...
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