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Chemical Composition

Chemical Composition of Austenitic Series

Unit:%

Steel Grade

C

Si

Mn

P

S

Ni

Cr

Mo

Cu

N

Others

201

0.15
max.

1.00
max.

5.50
to
7.50

0.060
max.

0.030
max.

3.50
to
5.50

16.00
to
18.00

0.25
max.

202

0.15
max.

1.00
max.

7.50
to
10.00

0.060
max.

0.030
max.

4.00
to
6.00

17.00
to
19.00

 -

0.25
Max.

304

0.08
max.

1.00
max.

2.00
max.

0.045
max.

0.030
max.

8.00
to
10.50

18.00
to
20.00

 -

304L1

0.030
max.

0.75
max.

2.00
max.

0.045
max.

0.030
max.

8.00
to
12.00

17.50
to
19.50

 -

0.1
max.

304L2

0.030
max.

1.00
max.

2.00
max.

0.045
max.

0.030
max.

9.00
to
13.00

18.00
to
20.00

 -

316

0.08
max.

1.00
max.

2.00
max.

0.045
max.

0.030
max.

10.00
to
14.00

16.00
to
18.00

2.00
to
3.00

316L1

0.030
max.

0.75
max.

2.00
max.

0.045
max.

0.030
max.

10.00
to
14.00

16.00
to
18.00

2.00
to
3.00

0.1
max.

316L2

0.030
max.

1.00
max.

2.00
max.

0.045
max.

0.030
max.

12.00
to
15.00

16.00
to
18.00

2.00
to
3.00


Chemical Composition of Ferritic Series

Unit:%

Steel Grade

C

Si

Mn

P

S

Ni

Cr

Mo

Cu

N

Others

409

0.08
max.

1.00
max.

1.00
max.

0.040
max.

0.030
max.

10.50
to
11.75

Ti:6xC
to
0.75

430

0.12
max.

0.75
max.

1.00
max.

0.040
max.

0.030
max.

0.60
max

16.00
to
18.00


Chemical Composition of Martensitic Series

Unit:%

Steel Grade

C

Si

Mn

P

S

Ni

Cr

Mo

Cu

N

Others

420J2

0.26
to
0.40

1.00
max.

1.00
max.

0.040
max.

0.030
max.

12.00
to
14.00