Stainless steel standard in china.

Chemical percentage in stainless steel (STANDARD)

Ref No

C

Si

Mn

P≤

S≤

Cr

Mo

Ni

Other

Balance

201

≤0.15

≤1.00

5.5-7.5

0.06

0.03

16-18

-

3.5-5.5

N≤0.25

Fe

202

≤0.15

≤1.00

7.5-10.0

0.06

0.03

17-19

-

4.0-6.0

N≤0.25

Fe

301

≤0.15

≤1.00

≤2.00

0.045

0.03

16-18

-

6.0-8.0

-

Fe

302

≤0.15

≤1.00

≤2.00

0.045

0.03

17-19

-

8-10.0

-

Fe

303

≤0.15

≤1.00

≤2.00

0.2

≥0.015

17-19

≤0.6

8.0-10.0

-

Fe

304

≤0.08

≤1.00

≤2.00

0.045

0.03

18-20

-

8-10.5

-

Fe

304L

≤0.03

≤1.00

≤2.00

0.045

0.03

18-20

-

9-13

-

Fe

305

≤0.12

≤1.00

≤2.00

0.045

0.03

17-19

-

10.5-13

-

Fe

309S

≤0.08

≤1.00

≤2.00

0.045

0.03

22-24

-

12-15

-

Fe

310S

≤0.08

≤1.5

≤2.00

0.045

0.03

24-26

-

19-22

-

Fe

316

≤0.08

≤1.00

≤2.00

0.045

0.03

16-18

2-3

10-14

-

Fe

316L

≤0.03

≤1.00

≤2.00

0.045

0.03

16-18

2-3

12-15

-

Fe

317

≤0.08

≤1.00

≤2.00

0.045

0.03

18-20

3-4

11-15

-

Fe

317L

≤0.03

≤1.00

≤2.00

0.045

0.03

18-20

3-4

11-15

-

Fe

321

≤0.08

≤1.00

≤2.00

0.045

0.03

17-19

-

9-13

Ti≥5×C

Fe

405

≤0.08

≤1.00

≤1.00

0.04

0.03

11.5-14.5

-

≤0.6

AL0.1-0.3

Fe

420F

0.26-0.4

≤1.00

≤1.25

0.06

≥0.15

12-14

≤0.6

≤0.6

-

Fe

430

≤0.12

≤0.75

≤1.00

0.04

0.03

16-18

-

≤0.6

-

Fe

 


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