aisi 431 کاملا نو با بهترین قیمت
AISI 431. Under the standardization AISI 431, we understand the following material in the German material system: 1.4057 - (X17CrNi16-2) The AISI 431 is a heat treatable martensitic, nickel-bearing grade and has a very high corrosion resistance it has excellent tensile and torque strength, and good toughness, making it ideally suited to shafting and …