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202 Stainless steel

202 Stainless steel

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200 series stainless steel introduction:


200 series stainless steel is a special type of material, which belongs to a kind of austenitic stainless steel. The classification of this stainless steel is mainly based on its metal structure, including atmospheric austenitic stainless steel, ferritic stainless steel, austenitic ferritic (duplex) stainless steel, martensitic stainless steel and precipitation hardened stainless steel five categories. In a variety of applications, such as building components, decorative parts, vehicle structures, guardrail, household electrical components and shells, newspaper kiosks, telephone booths, dining utensils, medical equipment, austenitic stainless steel occupies a dominant position. According to statistics, the production or consumption of austenitic stainless steel accounts for about 75% to 80% of the total production or consumption of stainless steel.


Chromium-manganese (200 series) austenitic stainless steel is modified on the basis of chromium-nickel austenitic stainless steel. Manganese and/or nitrogen are added to the steel instead of the precious metal nickel to create this new type of stainless steel. In addition to manganese and nitrogen, this steel also contains a moderate amount of nickel (4% to 6%). The manganese in the steel stabilizes the austenite. At the same time, because nitrogen strongly forms and stabilizes austenite, and plays a good role in solid solution strengthening, the strength of austenitic stainless steel is improved. This makes the series of stainless steels particularly suitable for equipment and components carrying heavy loads, especially in environments where corrosion resistance is not required.


Comparison of Chinese and foreign stainless steel grades

China

GB/T,YB

America

ASTM

Japan

JIS

Germany

DIN EN

Britain

BS EN

France

NF EN

Russia

TOCT

1Cr17Mn6Ni5N

201

SUS201

X12CrMnNiN17-7-5(1.4372)


1Cr18Mn8Ni5N

202

SUS202

X12CrMnNiN18-9-5(1.4373)

12X17T9AH4


Chemical composition (%)

brand

C

Si

Mn

Gr

N

P

S

Ni

201

≤0.15

≤0.75

5.5~7.50

13.50~15.0

≤0.25

≤0.060

≤0.030

3.50~5.50

202

≤0.15

≤1.0

7.5~10.0

17.0~19.0

≤0.25

≤0.060

≤0.03

4.00~6.00


Mechanical properties (minimum)

Brand

Rm N/mm2

RP0.2N/mm2

A5 %

HRB

201

515

260

40

≤95

202

590

245

40

≤95



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Zhishang Steel has always been a pioneer in custom steel and special supplies, and has been recognized for its efforts in enhancing work efficiency and product quality. In addition to ISO9001:2015 certification, we also adhere to strict quality policies and proprietary procedures. If you have any questions, please contact us to provide the best type of product solution for your pre-painted, coil coating metal process, we will closely support after-sales service to ensure that your subsequent problems can be solved in a timely manner, if you have any questions, please send email to info@zhishangsteel.com, we look forward to serving you.

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Zhishang Steel Co., Ltd


Zhishang Steel, specializing in domestic steel products trade, warehousing, processing and other services. The team has four service teams: Shandong Zhishang Steel Co., LTD., Shandong Zhiyiheng Trading Co., LTD., Tai 'an Zhishang Economic and Trade Co., LTD., Shandong Zhishang Steel Structure Co., LTD. Mainly engaged in steel coil, coated, stee···

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