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You are here: Home- NewsWhat is the Difference between Type 201,304,316 Stainless Steel Plate

What is the Difference between Type 201,304,316 Stainless Steel Plate

Posted:2017/3/9 21:56:56

201 is a low nickel, high-work hardening, austenitic chromium-nickel-manganese stainless steel, 201 is a lower cost alternative to conventional Cr-Ni stainless steels such as 301 and 304. Type 201 can be substituted for Type 301 in many applications.

Magnetic properties of 201:

201 stainless steel flat rolled coil is non-magnetic in the annealed condition but becomes magnetic when cold-worked.

Chemical Composition of 200 Series Stainless Steels

Grade

Chemical Composition

AISI

UNS

Cr

Ni

Mn

N

Cu

304

S30400

18.0-20.0

8.0-10.5

2.0 max.

0.10 max.

-

201

S20100

16.0-18.0

3.5-5.5

5.5-7.5

0.25 max.

-

Mechanical Properties of 201 steel:

Type

Yield Strength 0.2% offset (KSI)

Tensile Strength (KSI)

% Elongation
(2" Gauge length)

Hardness Rockwell

201 Ann

38 min.

75 min.

40% min.

HRB 95 max.

201 ¼ Hard

75 min.

125 min.

25.0 min.

25 – 32 HRC (typical)

201 ½ Hard

110 min.

150 min.

18.0 min.

32 - 37 HRC (typical)

201 ¾ Hard

135 min.

175 min.

12.0 min.

37 – 41 HRC (typical)

201 Full Hard

145 min.

185 min.

9.0 min.

41 – 46 HRC (typical)

Other designations that are equivalent to grade 201 stainless steel include:

1, ASTM A213
2, ASTM A240
3, ASTM A249
4, ASTM A276
5, ASTM A412
6, ASTM A666
7, QQ S766
8, ASME SA412
9, SAE 30201
10, SAE J405 (30201)

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