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Alloy 420 is a martensitic stainless steel of the 12% Chromium type. Due to it's Chromium content 420 will achieve high hardness. Alloy 420 is used in many different applications including surgical and dental instruments, scissors, needle valves, gears, ball bearings, magnets etc. Alloy 420 should not be used for springs or heavily stressed parts that require to be operated at sub-zero temperatures.
Grade 430, also known as type WL 1.4016 stainless steel combines good corrosion resistance with good formability and ductility. As Grade 430 has excellent resistance to nitric attack it is well suited to use in chemical applications. Grade 430 is generally used for domestic appliances, flue linings, scientific apparatus etc.
Grade 440C stainless steel is a high carbon martensitic stainless steel. With high strength, moderate corrosion resistance, and good hardness and wear resistance.
Grade 440C is capable of attaining, after heat treatment, the highest strength, hardness and wear resistance of all the stainless alloys. Its very high carbon content is responsible for these characteristics, which make 440C particularly suited to such applications as ball bearings and valve parts.
Alloy 420 is a martensitic stainless steel of the 12% Chromium type. Due to it's Chromium content 420 will achieve high hardness. Alloy 420 is used in many different applications including surgical and dental instruments, scissors, needle valves, gears, ball bearings, magnets etc. Alloy 420 should not be used for springs or heavily stressed parts that require to be operated at sub-zero temperatures.
Grade 430, also known as type WL 1.4016 stainless steel combines good corrosion resistance with good formability and ductility. As Grade 430 has excellent resistance to nitric attack it is well suited to use in chemical applications. Grade 430 is generally used for domestic appliances, flue linings, scientific apparatus etc.
Grade 440C stainless steel is a high carbon martensitic stainless steel. With high strength, moderate corrosion resistance, and good hardness and wear resistance.
Grade 440C is capable of attaining, after heat treatment, the highest strength, hardness and wear resistance of all the stainless alloys. Its very high carbon content is responsible for these characteristics, which make 440C particularly suited to such applications as ball bearings and valve parts.
