201 Stainless Steel Sheet

201 Stainless Steel Sheet

The characteristic of 201 stainless steel is acid-resisting, alkali-resistance, high density, no bubbles by polishing, no pinhole and etc., It is high-quality material in the production of various straps and covers. Application area: With a certain acid, alkali resistance, high density, no...
Product description

The characteristic of 201 stainless steel is acid-resisting, alkali-resistance, high density, no bubbles by polishing, no pinhole and etc., It is high-quality material in the production of various straps and covers.


Application Area

With a certain acid, alkali resistance, high density, no bubble polishing, no pinhole and so on, is the production of a variety of case, strap bottom cover high-quality materials. Mainly used for decorative pipe, industrial pipe, some shallow stretching products.


Chemical Composition(WT%)

C ≤ 0.15

Si ≤ 0.75

Mn: 5.5 - 7.50

Cr: 16.0- 18.0

N ≤ 0.25

P ≤ 0.060

S ≤ 0.030

Ni: 0.8 - 1.2%

Cu: Half 0.8% ,High 1.5%


Physical Property

Tensile Strength ≥ 520MPa

Yield Strength ≥ 275MPa

Elongation: 55 to 60%


Processing and Forming

Type 201 stainless cannot be hardened by heat treatment, but can by cold working.

Type 201 can be annealed at temperatures between 1010 and 1093°C (1850 and 2000°F). In order to keep carbides in solution and avoid sensitization, rapid cooling through the carbide precipitation range 815 and 426°C (1500 and 800°F) is required. 

This grade of stainless can be both formed and drawn. Intermediate annealing may be required for severe operations as a result of type 201's high work-hardening rate.


Will the 201 stainless steel sheet gathers rust easily?

When the brown rust appeared on 201 stainless steel surface , people may be surprised and think if it gathers rust, it is not stainless steel any more and there is some problem with 201 stainless steel. In fact, this is a misconception of stainless steel because they do not know stainless steel too much.

There is a thin and solid chromium oxide film (protective film) on the cover of stainless steel to prevent the infiltration of oxygen atoms. Once the protective film is destructed by something, the stainless steel will also gather rust. So the surfaces of stainless steel must be cleaned and scrubbed regularly to remove attachments and eliminate external factors that cause corrosion.

 


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