With better strength at higher temperatures, Type 422 (S42200) is an
appealing alternative to Type 403. Type 422 is a hardenable martensitic stainless
steel which is being widely used for high temperatures up to 1200°F. It is capable
of being heat treated to various high strength levels. It is often used in aircraft
and power industries who require high strength/weight ratios from room temperature
to 1200°F.
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430F Stainless Steel
430F SS is a free machining version of 430 SS. Most commonly used in solenoids, 430F is ‘solenoid quality’.
431 Stainless Steel
Grade 431 SS are martensitic, heat-treatable grades with corrosion resistance, tensile properties.
440A Stainless Steel
Stainless steel grade 440A is a carbon martensitic SS that possesses good strength, hardness and wear resistance.