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What is stainless steel 201 (UNS S20100)1.4372?

201 فولاد ضد زنگ, with certain acid and alkali resistance, high density, no bubbles, no pinholes, و غیره. It is a high-quality material for producing various case and strap bottom cover. Mainly used for decorative tubes, industrial tubes, some shallow stretched products.

Type 201 is normally limited to nearly flat or shallow drawn products such as automotive trim, builder’s hardware comprised of window and door components, flatware, rapid transit cars and trailers.

201 فولاد ضد زنگ 1.4372 فرم محصولات نهایی

  • ورق
  • نوار
  • coils
  • foils

Applications for 201 فولاد ضد زنگ

Typical applications for Types 201 contains cookware, hose clamps, piston rings, transit car structural member, transit car roofing/siding, thermal window spacers, airbag containers, and truck trailer posts and door frames.

Equivalents of grade 201

اتحادیه اروپا
در
ایالات متحده آمریکا
ژاپن
او
فرانسه
در حال غربال
X12CrMnNiN17-7-5201 SUS201Z12CMN17-07Az

Composition ranges for 201 grade of stainless steel

ITEMNICRCUMNSIجفحرفپاس
Min0.8014.001.308.00===============
Max1.3017.002.0010.001.000.150.250.060.03

خصوصیات مکانیکی 

Mechanical property requirements for annealed product as specified in ASTM A240 and ASME SA24

دارایی201
قدرت عملکرد, حداقل. (ksi)45
استحکام کششی, حداقل. (ksi)95
کشیدگی, حداقل. (%)40
سختی, حداکثر. (Rb)100

Mechanical property requirements for cold worked flat rolled products as specified in ASTM A666

Conditionقدرت عملکرد
(ksi) حداقل.
استحکام کششی
(ksi) حداقل.
کشیدگی % حداقل. در 2 در.
<0.015 در.≥0.015 in.
¼ Hard751252525
½ Hard1101501518
¾ Hard1351751012
Full Hard14018589

Physical Properties

تراکم, lb/in30.283
مدول خاصیت خاصیت ارتجاعی, psi28.6 x 106
Coefficient of Thermal Expansion, 68-212˚F, /˚F9.2 x 10-6
هدایت حرارتی, Btu/ft hr ˚F9.4
Specific Heat, Btu/lb ˚F0.12
مقاومت الکتریکی, Microohm-in27.0

Fabrication

Type 201 Stainless Steel can be fabricated by bench forming, roll forming and brake bending in much the same manner as Type 301. با این حال, because of its higher strength, it may exhibit greaterspringback. This material can be drawn similarly to Type 301 in most drawing operations if more power is used and the hold-down pressure is increased.

مقاومت در برابر خوردگی

The general level of corrosion resistance of Type 201 is similar to Type 301. Type 201 should perform adequately as a replacement for Type 301, except in the most demanding environments. The scalng resistance of Type 201 is less than that of Type 301. Type 201 resists destructive scaling up to about 1550°F

(843درجه سانتیگراد), about 100°F (56درجه سانتیگراد) less than Type 301.

کار گرم

درجه 201 stainless steel is hot worked at 1149-1232°C (2100-2250°F).

Annealing

درجه 201 stainless steel is annealed at 1010-1093°C (1850-2000°F). Temperature should not be exceeded above 2000°F in order to avoid scaling. It is rapidly cooled to prevent crystallization of carbides.

Weldability

The austenitic class of stainless steels is generally considered to be weldable by the common fusion and resistance techniques. Special consideration is required to avoid weld “hot cracking” by assuring formation of ferrite in the weld deposit. As with other chrome-nickel austenitic stainless steel grades where carbon is not restricted to 0.03% or below, the weld heat affected zone may be sensitized and subject to intergranular corrosion in some environments.This particular alloy is generally considered to have poorer weldability to the most common alloy of this stainless class, Type 304L Stainless Steel. When a weld filler is needed, AWS E/ER 308 is most often specified. Type 201 Stainless Steel is well known in reference literature and more information can be obtained in this way.

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