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What are the types and differences of stainless steel?

410 (1Cr13) stainless steel

410 is a martensitic stainless steel with good hardenability. It has high hardness, toughness, good corrosion resistance, thermal strength and cold deformation performance, and good shock absorption. High temperature or low temperature tempering is required, but tempering treatment between 370-560°C should be avoided.

1Cr18Ni9

Chinese grade: 1Cr18Ni9 (new grade: 12Cr18Ni9) Corresponding to American grade (ASTM A276-96): 302 Corresponding to DIN grade: 1.4307

1Cr18Ni9 is the basic type of 18-8 stainless steel, and its carbon content is about 0.1%. By changing the chemical composition on this basis, steel grades with different properties can be obtained.

It can meet the needs of architects and structural designers. Steel resistant to weak corrosive media such as air, steam, and water, and chemical corrosive media such as acids, alkalis, and salts. Also known as stainless acid-resistant steel.

In practical applications, steel that is resistant to corrosion by weak corrosive media is often called stainless steel, and steel that is resistant to chemical media is called acid-resistant steel.

Due to the difference in chemical composition between the two, the former is not necessarily resistant to corrosion by chemical media, while the latter is generally non-corrosive.

0Cr18Ni12Mo2Ti

0Cr18Ni12Mo2Ti (316Ti astm) (1.4571 European standard) is a kind of equipment used to resist sulfuric acid, phosphoric acid, formic acid, and acetic acid. It is a stainless steel with good resistance to intergranular corrosion.

1Cr18Ni12Mo2Ti is also called titanium steel, 316L stainless steel, which is widely used in daily life. The reason why many people are not familiar with this symbol is because we are basically called 316L.

The national standard 1992 standard grade: 1Cr18Ni12Mo2Ti corresponds to the British standard grade: 320S17 stainless steel; the American standard does not have this grade. 316L is the American standard grade, and the British standard grade is 316S12. The corresponding national standard 2004 standard grade is: 022Cr17Ni14Mo2, or the national standard 1992 standard grade: 00Cr17Ni14Mo2.

304 stainless steel

304 is a versatile stainless steel, which is widely used to make equipment and parts that require good overall performance (corrosion resistance and formability). In order to maintain the inherent corrosion resistance of stainless steel, steel must contain more than 18% chromium and more than 8% nickel. 304 stainless steel is a grade of stainless steel produced in accordance with the American ASTM standard.

316 stainless steel

316 stainless steel, 18Cr-12Ni-2.5Mo. Because of the addition of Mo, its corrosion resistance, atmospheric corrosion resistance and high temperature strength are particularly good. It can be used under harsh conditions; it has excellent work hardening (non-magnetic). Equipment used in seawater, chemical, dye, paper, oxalic acid, fertilizer and other production equipment; photography, food industry, coastal facilities, ropes, CD rods, bolts, nuts. 316 stainless steel chemical composition: C≤0.08, Si≤1.00, Mn≤2.00, P≤0.035, S≤0.03, Ni:10.0

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