Chemical Composition

  Material

Composition

201

202

304

316

430

C

≤0.15

≤0.15

≤0.08

≤0.08

≤0.12

Si

≤1.00

≤1.00

≤1.00

≤1.00

≤1.00

Mn

5.5-7.5

7.5-10

≤2.00

≤2.00

≤1.00

P

≤0.06

≤0.06

≤0.045

≤0.045

≤0.040

S

≤0.03

≤0.03

≤0.030

≤0.030

≤0.030

Cr

16-18

17-19

18-20

16-18

16-18

N

3.5-5.5

4-6

8-10.5

10-14

Mo

2.0-3.0

Mechanical Property

Material Item    

201

202

304

316

Tensile Strength

≥535

≥520

≥520

≥520

Yield Strength

≥245

≥205

≥205

≥205

Extension

≥30%

≥30%

≥35%

≥35%

Hardness (HV)

<253

<253

<200

<200

AMERICAN STANDARD DIMENSION

ANSI B36.19

PIPE SIZE (NPS)

DIAMETER (INCH)

OUT DIA. (mm)

Nomal Diameter In Inches

A

B

ASME

SCH 5

SCH 10

SCH 40

SCH 80

1/8\"

10.29

/

1.24

1.73

2.41

1/4\"

13.72

/

1.65

2.24

3.02

3/8\"

17.15

/

1.65

2.31

3.2

15

1/2\"

21.3

1.65

2.11

2.77

3.73

20

3/4\"

26.7

1.65

2.11

2.87

3.91

25

1\"

33.4

1.65