Martensitic Stainless Steels

Cast Specifications Wrought Specifications Atlas Alloy
Grade ASTM UNS AISI UNS TP
CA15 A217, A487, A743 J91150 410 S4100 900
CA6NM A352, A356, A743 J91540   S4150 903
CA6NM Class A A487 J91540   S4150 903
CA6NM Class B A487 J91540   S4150 909
E3 A757     S4150 903


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