201 Stainless Steel Sheet 2B BA NO.4 Mirror Finish Plate

201 Stainless Steel Sheet 2B BA NO.4 Mirror Finish Plate

201 Stainless Steel Sheet 2B BA NO.4 Mirror Finish Plate Description Type 201 is an austenitic chromium-nickel-manganese stainless steel that was developed in the 1950’s due to worldwide nickel shortages. In the Type 201 composition, manganese and nitrogen are partially substituted for nickel....
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Product Details

201 Stainless Steel Sheet 2B BA NO.4 Mirror Finish Plate

Description

Type 201 is an austenitic chromium-nickel-manganese stainless steel that was developed in the 1950’s due to worldwide nickel shortages. In the Type 201 composition, manganese and nitrogen are partially substituted for nickel. T201 addresses the volatility of nickel prices while offering comparable corrosion resistance and formability to T301 and T304 and has become a viable lower cost alternative to these austenitic grades. Type 201 can be used in many applications because of its wide range of mechanical properties in the annealed and cold worked condition. Type 201 is non-magnetic in the annealed condition but becomes magnetic as a result of cold working.


Chemical Composition
Chemical Composition (wt%) limits as specified in ASTM A240 and ASME SA240*

Element

201

Carbon

0.15

Chromium

16.0-18.0

Nickel

3.5-5.5

Manganese

5.50-7.50

Silicon

1.00

Nitrogen

0.25

Phosphorus

0.060

Sulfur

0.030

* Maximum, unless range is indicated


Mechanical Properties
Mechanical property requirements for annealed product as specified in ASTM A240 and ASME SA240

Property

201

Yield Strength, min. (ksi)

45

Tensile Strength, min. (ksi)

95

Elongation, min. (%)

40

Hardness, max. (Rb)

100


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

Condition

Yield Strength
(ksi) min.

Tensile Strength
(ksi) min.

Elongation % min. in 2 in.


<0.015 in.

≥0.015 in.




¼ Hard

75

125

25

25

½ Hard

110

150

15

18

¾ Hard

135

175

10

12

Full Hard

140

185

8

9


Physical Properties
Physical properties for Type 201 stainless steel

Property

201

Density, lb/in3

0.283

Modulus of Elasticity, psi

28.6 x 106

Coefficient of Thermal Expansion, 68-212˚F, /˚F

9.2 x 10-6

Thermal Conductivity, Btu/ft hr ˚F

9.4

Specific Heat, Btu/lb ˚F

0.12

Electrical Resistivity, Microohm-in

27.0


Standards
Typical standards for Type 201 stainless steel

201

ASTM A240

ASTM A666

ASME SA240


Data are typical, are provided for informational purposes, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice. We make no representation or warranty as to its accuracy and assume no duty to update. Actual data on any particular product or material may vary from those shown herein.


Standard

GB

JIS

ASTM

UNS

KS

BSEN

IS

AS

CNS

DIN

Grade

12Cr17Mn6Ni5N

SUS201

201

S20100

STS201

1.4372

10Cr17Mn6Ni4N20

201-2

201

X12CrMnNiN17-7-5

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