431 stainless steel is a martensitic stainless steel that is AOD melted. This alloy offers the best corrosion resistance of the conventional martensitic stainless grades. This grade is often used in the aerospace industry as fittings and boltings requiring high yield strength. Stainless 431 also has the best corrosion resistance to marine atmospheres, also resists attack by many petroleum products and organic materials, and several acidic environments.
Alloy 321 (UNS S32100) contains increased titanium for improved strength and heat resistance, making it ideal for applications range of 800 – 1500°F (427 – 816°C). It has excellent resistance to intergranular corrosion. A popular aircraft alloy.
Stainless Steel 416 is a corrosion resistant chromium steel alloy that is non-seizing, non-galling, free machining metal widely used in automatic screw machines. Its short brittle chips make it ideal for increased machining speeds, larger cuts, and longer tool life.
Stainless steel 430 is a ferritic, straight chromium, non-hardenable grade, combining good corrosion resistance and formability characteristics with useful mechanical properties. Its ability to resist nitric acid attack permits its use in specific chemical applications but automotive trim and appliance components represents its largest fields of application. Alloy 430 has poor weldability compared to most […]
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