Thin wallstainless steel tube

Austentc thin-walled stainless steel pipes refe to stainless steel pipes with a wall thicktness outer dameter ratio of not more than 6%.

The thin-walled stainless steel pipes and fittings for building water supply contain chromlum (Cr ) content of more than 12%, and the ferroalloys with austenite crystal structural properties formed by addin other metal elements as needed. the addition of nickel (Ni)can improve the ductility and toughness of the material, making the processing easy to shape and suitable for bending. Reducing the carbon (C) content can improve the welding performance of the material. Adding molybdenum (Mo) or manganese (Mn) and other contents can improve the material’s resistance to pitting and seam coroston. After the chromium reacts with oxygen and oxdant in the thiwalled stanless steel pipe, passivation occurs, forming a thin and tough dense passivation film Cr203 on the surface, which acts as a protective coating against corrosion. Thinwalled stainless steel pipes were only produced and used in China in the late 1990s, and have been widely used in building water supply and direct drinkng water pipes.

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Post time: Jun-16-2020
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