ASTM/ASME A403 Stainless Steel Sheet

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ASTM/ASME A403 Stainless Steel Sheet

1: Grade 347H austenitic stainless steel

2: Chemical composition
Carbon C: 0.04~0.10 Manganese Mn: ≤2.00 Silicon Si: ≤0.75 Chromium Cr: 17.0~19.0 Nickel Ni: 9.0~13.0 Phosphorus P: ≤0.045 Sulfur S: ≤0.03 Niobium Nb: (8C~1.00)

Three: Application scopeApplication fields
Because it contains the stabilizing element Nb, it has good resistance to intergranular corrosion and polysulfuric acid intergranular stress corrosion. In corrosive media such as acids, alkalis, and salts, its corrosion resistance is similar to that of Ti-containing 18-8 austenitic stainless steel. Therefore, it is widely used in boilers, power generation, petroleum, chemicals, synthetic fibers, food, paper and other industries. Used in large boiler superheater tubes, reheater tubes, steam pipes and heat exchangers in the petrochemical industry.

Four: Overview
It has high high temperature strength and high temperature plasticity. Has excellent oxidation resistance and corrosion resistance. Has good tissue stability. Chemical composition is uniform. It has good processing performance and welding performance. High dimensional accuracy and surface quality

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