AISI 431 ( EN / DIN 1.4057, X17CrNi16-2 ) stainless steel square bars
1.4057 is a corrosion and acid resistant martensitic chromium steel with nickel additive.
The formation of chromium carbides and the associated chromium-depleted areas makes this material susceptible to intergranular corrosion.
Main application in mechanical Engineering, petroleum and petrochemical industry and aviation.
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