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400 Series Stainless Steel Mature Application Field Introduction


Cold rolled 400 series stainless steel plate:


Automobile exhaust system (35% in the US, 40% in the EU, 100% in Japan), high temperature section above 600 °C, considering thermal fatigue, used for exhaust straight pipe (409L, 436L, 444). Low temperature section below 600 °C, used for front silencer, tail tube, catalytic converter, etc. (439, 441, 429); home appliance industry: microwave oven liner (430), washing machine inner barrel (430, 439, 430J1), liquid crystal display panel (409L), de-smoke Machine (430, 439); Hardware industry: tableware, kitchen sink, soup equipment, composite pot bottom, etc. (430), heat-resistant appliances (409L, 444); solar water heaters for gas appliances (444); decorative materials industry: balcony railings (439) Elevator doors (439, 440); construction industry: roofing materials (445,446M), combined water tanks, sump (444); refrigerated container casings (409L, 430), coinage, etc. At present, the hospital has also started to use 430 steel to make dissection table and disinfection tank.


Hot rolled 400 series stainless steel medium coil:

Railway wagons, steam turbine blades, metallurgical equipment and tableware, manufacturing industry, cutlery, utility knives, high-strength martensitic stainless steel for thermal power generation accessories, etc., ferritic stainless steel grade 444 can also be used for metal magnesium metallurgical furnaces and mechanical processing parts.

400 series wire:

Electrical shafts, standard parts, wire drawing, welding wire, special shape knives, forks, spoons, stainless steel cleaning balls, screens, etc.

400 series welded pipe:

Automobile exhaust pipe, oil pipe, casing and fittings in the petroleum and petrochemical industry.


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