High quality Wuxi mill export SUS 304 stainless steel plate

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What is the difference between 304 and 316 stainless steel:

304 stainless steel plate is resistant to corrosion by sulfuric acid, phosphoric acid, formic acid, urea, etc., and is suitable for general water, control gas, wine, milk, CIP cleaning fluid and other occasions with low corrosiveness or no contact with materials. 316L steel grade has added molybdenum element on the basis of 304, which can significantly improve its resistance to intergranular corrosion and oxide stress corrosion and reduce the tendency of hot cracking during welding. It also has good resistance to chloride corrosion. Commonly used in pure water, distilled water, medicines, sauces, vinegar and other occasions with high hygiene requirements and strong media corrosion properties. The price of 316L is almost twice that of 304. The mechanical properties of 304 are better than that of 316L. Because of the corrosion resistance and heat resistance of 304 and 316, they are widely used as stainless heat-resistant steel. The strength and hardness of 304 and 316 are similar. The difference between the two is that the corrosion resistance of 316 is much better than that of 304. The more important point is that molybdenum metal is added to 316, which improves heat resistance.


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SUS 304 stainless steel sheet-02 SUS 304 stainless steel sheet-01

What is the difference between 304 and 316 stainless steel:

304 stainless steel plate is resistant to corrosion by sulfuric acid, phosphoric acid, formic acid, urea, etc., and is suitable for general water, control gas, wine, milk, CIP cleaning fluid and other occasions with low corrosiveness or no contact with materials. 316L steel grade has added molybdenum element on the basis of 304, which can significantly improve its resistance to intergranular corrosion and oxide stress corrosion and reduce the tendency of hot cracking during welding. It also has good resistance to chloride corrosion. Commonly used in pure water, distilled water, medicines, sauces, vinegar and other occasions with high hygiene requirements and strong media corrosion properties. The price of 316L is almost twice that of 304. The mechanical properties of 304 are better than that of 316L. Because of the corrosion resistance and heat resistance of 304 and 316, they are widely used as stainless heat-resistant steel. The strength and hardness of 304 and 316 are similar. The difference between the two is that the corrosion resistance of 316 is much better than that of 304. The more important point is that molybdenum metal is added to 316, which improves heat resistance.

Features and practical uses-304 stainless steel plate :

Steel grade 321 characteristics-use in the sharpening range (450 ℃ ~ 850 ℃)-Boiler heat exchangers, pipes, expansion joints and other welding, parts/equipment that cannot be heat treated after assembly Chemical composition: (unit: wt% )

Specification C Si Mn P S Cr Ni Others TYPE 321 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.00~

9.00 9.00~13.00 Ti: ≥ 5 × C%

Mechanical properties: Specification YS (Mpa) TS (Mpa) EL (%) Hv TYPE 321 ≥205 ≥520 ≥40 ≤200

 


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