Chemical Composition
The material 40Mn is a kind of high-quality carbon structural steel under the standard GB/T 699-1988. 40Mn can be used under the condition normalizing, also can be used under Hardening and tempering.
GB4237 1Cr12 MARTENSITIC stainless steel plate is a kind of stainless heat-resistant steel for steam turbine blades and high-stress parts.
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