TYPE SS 201 PROPERTIES

- Jul 28, 2017 -

TYPE SS 201 PROPERTIES

-------From wuxi xichu stainless steel co.,ltd

 HONGWANG GROUP CORE AGENT

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HongWang Investment Group major produce 201 & 304, is a professional production of cold rolled stainless steel enterprise. The product brand was awarded “China famous Brand” title, the product was named “annual Chinese steel industry brand”, the quality of products won the “quality assured integrity unit”, 201 is the most competitive product from hongwang group in china,it covers market about 50% usage.


Type 201 is part of the 200 series of austenitic stainless steels. Originally developed to conserve nickel, this family of stainless steels is characterized by low-nickel content. Hongwang group produce 201 J1 and J3 coils/strips/sheets/tetanized sheet by their own factories.


Type 201 can substitute for type 301 in many applications, but is less corrosion resistant than its counterpart, particularly in chemical environments.


Annealed, it is non-magnetic, but can become magnetic by cold working.


A greater nitrogen content in type 201 provides higher yield strength and toughness than type 301 steel, especially at low temperatures.


Type 201 is not hardened by heat treatment and is annealed at 1850-1950°F (1010-1066°C), followed by water quenching or rapid air cooling.


Type 201 is used to produce a range of household appliances, including sinks, cooking utensils, washing machines, windows and doors. It is also used in automotive trim, decorative architecture, railway cars, trailers and clamps. It is not recommended for structural outdoor applications because of its susceptibility to pitting and crevice corrosion.

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Type  201 Stainless Steel Composition

Element

Type 201    (Wt.%)

Carbon

0.15    max.

Manganese

5.50-7.50    max.

Phosphorus

0.06    max.

Sulfur

0.03    max.

Silicon

1.00    max.

Chromium

16.00-18.00

Nickel

3.50-5.50

Nitrogen

0.25    max.

Iron

Balance

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.

Welding:

Type 201 stainless can be welded by all standard methods used  for 18 percent chromium and 8 percent nickel stainless steels, however,  inter-granular corrosion can impact the heat zone if carbon content exceeds  0.03 percent. 

Physical  Properties:

Density (lb./ in2) @ RT:  0.283
Modulus of Elasticity in Tension (psi x 106):  28.6
Specific Heat (BTU/° F/lb.): 32 to 212°F   0.12
Thermal Conductivity (BTU/hr/ft2/ft): 212°F  9.4
Melting Point Range (°F): 2550-2650°F

Applications:

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