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Application requirements of stainless steel

Automobile industry

The main use of stainless steel is the exhaust system, accounting for more than 1/2 of the total amount of stainless steel used in automobiles, and 80% is ferritic stainless steel. The exhaust gas produced by the automobile engine is discharged from the muffler through the exhaust gas intake pipe, the front pipe, the hose, the converter, and the center pipe. Exhaust system commonly used steel types 409L, 436L and so on. Automobile mufflers mainly use stainless steel welded pipe. It is estimated that the stainless steel pipe used by the automobile accounts for about 1.5% of the entire downstream stainless steel pipe consumption, and the use ratio of stainless steel seamless pipe and welded pipe is about 2:1.

The petrochemical industry includes the fertilizer industry

The demand for stainless steel pipe is great, the industry mainly uses stainless steel seamless pipe, specifications include: 304, 321, 316, 316L, 347, 317L, etc., the outer diameter is about 18-¢610, the wall thickness is about 6mm-50mm (generally the selection of specifications in Φ159mm above the medium and low pressure pipeline), the specific application field is: Furnace tube, material conveying tube, heat exchanger tube, etc.

Water and gas and other fluid transport

Stainless steel pipes and their water transport equipment are the most advanced basic water purification materials in the world today, and their corrosion resistance is strong, cast iron pipes, carbon steel pipes, plastic pipes, etc., can not be compared with them.

Water preparation, storage, transportation, purification, regeneration, desalination and other water industry the best material selection. Annual demand is about 25,000 tons.

Equipment manufacturing and maintenance

Annual consumption of stainless steel pipe more than 20,000 tons. This type of industry mainly uses sanitary or antibacterial grade stainless steel pipes. The sanitary seamless pipe made of imported SUS304 and 316L can meet the special requirements of various media in the field of food and biopharmaceutical. Antibacterial stainless steel has the advantages of stainless steel and good antibacterial properties, and the demand for kitchen equipment, food industry worktables and utensils, medical equipment, tableware in daily life and hanging towel brackets, refrigerators and other fields is increasing.


Zhishang Steel Co., Ltd

ABOUT USOverviewThe company mainly deals in color-coated, galvanized, stainless steel pipes, stainless steel coils, stainless steel plates of various materials; hot-rolled series of rebar, medium and heavy plates, coils, I-beams, angle steels, channel steels, H-beams and other steel products and deep processing Service. (The company’s annual invent···

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