201 Stainless Steel Coil

201 Stainless Steel Coil

201 Stainless Steel Coils In the low NI austenitic stainless steel and 200 series stainless steel may replace 300 series of part of the market, this year, stainless steel raw material supply will not appear serious shortage situation, Shimaoyatai stainless Steel Co., Ltd. is a 200 series of...
Product description

201 Stainless Steel Coils

In the low NI austenitic stainless steel and 200 series stainless steel may replace 300 series of part of the market, this year, stainless steel raw material supply will not appear serious shortage situation, Shimaoyatai stainless Steel Co., Ltd. is a 200 series of stainless steel production enterprises.


Chemicai Composition (WT%)

C ≤ 0.15

Si ≤ 0.75

Mn: 5.5 ~ 7.50

Cr: 16.0 ~ 18.0

N ≤ 0.25

Ni: 3.50 ~5.50

P ≤ 0.060

S ≤ 0.030


Physical Properties

Tensile Strength: 100,000 to 180,000 psi

Yield Strength: 50,000 to 150,000 psi

Density: 280lbs/cubic inch (Density 7.93g/cm3)


Stainless Steel Coil History

Two times in the history of chromium manganese stainless steel development and application of the climax is due to NI as a strategic resource reserve reasons, but at present, the core problem of the rapid development of such steels in China and India is because of their low cost and low cost, which is mainly embodied in the lower nickel content, a part of nickel through manganese to replace The Outokumpu of Europe and Arcelor, France, developed and produced chromium-manganese stainless steel years ago, they developed chromium manganese containing nickel content is generally more than 4%, all have better performance; At present, the market sales of 1%ni 200 of the corrosion resistance is very poor, far below 304 (austenitic stainless steel), also less than 430 ( Ferritic stainless steel), therefore, the industry generally do not agree with the production of a large number of l% chromium manganese stainless steel into the market, that should be developed with Ni high chromium manganese system, such as the 201 series of 5%NI+CU brand, this type of chromium manganese stainless steel corrosion resistance to the level of nearly 304 grades.

Aiming at the chaotic situation of the current development market of CR-MN series, a number of international steel mills and research institutes have been recommended to develop new 200-series orientations, such as the Pretoria University research and development of chromium-manganese rod wire rods with high-strength structural properties instead of carbon steel, with yield strength reaching ~>400mpa, ni content of more than 2%, nitrogen-containing elements, France Arcelor developed 202N and 204Cu, the former corrosion performance of more than 304 and 316 brands, the latter equivalent to 304, far greater than 430 brand.

 

 


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