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Heat Treating 420 Stainless Steel

Heat Treating 420 Stainless Steel

As a representative of ferritic steel, 430 stainless steel has some excellent feature such as low thermal expansion and has excellent formability and oxidation resistance. Chemical composition(WT%) (C) :≤0.12 (Si) :≤0.75 (Mn) :≤1.00 (Cr) :16.0 to 18.0 (P) :≤0.040 (S) :≤0.030 (Ni) : ≤0.60...


Among the ferritic steels, 430 stainless steel is the most prominent one, and its heat resistance and corrosion resistance rank among the best in ferritic steel. Moreover, it has a strong anti-oxidation property, so even if it is used for a long time, the surface will not be easily blackened, and it is a practical stainless steel in the decoration industry.

Chemical composition(WT%)

(C) :≤0.12

(Si) :≤0.75

(Mn) :≤1.00

(Cr) :16.0 to 18.0

(P) :≤0.040

(S) :≤0.030

(Ni) : ≤0.60


403 stainless steel is available in a wide range of applications, including the following areas
1) Heating pipes for petrochemical industries such as chemical and marine development
2) For industrial furnaces and heater tubes
3) for gas turbines and chemical processing
4) Can be used as condenser tube, sulfuric acid and phosphoric acid tube, API tube
5) Strong oxidation resistance, making 403 widely used in the construction and decoration industry
6) It is also very good to use in acidic environment, such as waste incineration, flue gas desulfurization, paper processing, etc.

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