ASTM A312 & A778


Description:

Standard: ASTM A312/A778, ASME B36.19M, ASME B36.10M
Alloy: 301, 304/304L, 305, 316/316L, 430, 409L
(DIN 1.4301, 1.4307, 1.4401, 1.4404)


Specification :

Application of Stainless Steel ASTM A312/A778 Pipe: petroleum and gas industry, power plant, heat exchanger, pressure vessel, nuclear station, chemical industry, and general construction.

Thickness Tolerance: +/-12.5%

 

 

 

 

NB
DN

 

 


NPS

Diameter
(mm)

Thickness (mm)

ASME B36.19M

ASME B36.10M

SCH-5S

SCH-10S

SCH-40S

SCH-80S

SCH-5

SCH-10

SCH-20

STD

XS

8

1/4

13.7

-

1.65

2.24

3.02

-

1.65

-

2.24

3.02

10

3/8

17.1

-

1.65

2.31

3.20

-

1.65

-

2.31

3.20

15

1/2

21.3

1.65

2.11

2.77

3.73

1.65

2.11

-

2.77

3.73

20

3/4

26.7

1.65

2.11

2.87

3.91

1.65

2.11

-

2.87

3.91

25

1

33.40

1.65

2.77

3.38

4.55

1.65

2.77

-

3.38

4.55

32

1 1/4

42.2

1.65

2.77

3.56

4.85

1.65

2.77

-

3.56

4.85

40

1 1/2

48.3

1.65

2.77

3.68

5.08

1.65

2.77

-

3.68

5.08

50

2

60.3

1.65

2.77

3.91

5.54

1.65

2.77

-

3.91

5.54

65

2 1/2

73

2.11

3.05

5.16

7.01

2.11

3.05

-

5.16

7.01

80

3

88.90

2.11

3.05

5.49

7.62

2.11

3.05

-

5.49

7.62

90

3 1/2

101.60

2.11

3.05

5.74

8.08

2.11

3.05

-

5.74

8.08

100

4

114.30

2.11

3.05

6.02

8.56

2.11

3.05

-

6.02

8.56

125

5

141.30

2.77

3.40

6.55

9.53

2.77

3.40

-

6.55

9.53

150

6

168.3

2.77

3.40

7.11

10.97

2.77

3.40

-

7.11

10.97

200

8

219.1

2.77

3.76

8.18

12.70

2.77

3.76

6.35

8.18

12.70

250

10

273.1

3.40

4.19

9.27

12.70

3.40

4.19

6.35

9.27

12.70

300

12

323.9

3.96

4.57

9.53

12.70

3.96

4.57

6.35

9.53

12.70

350

14

355.60

3.96

4.78

9.53

12.70

3.96

6.35

7.92

9.53

12.70

400

16

406.40

4.19

4.78

9.53

12.70

4.19

6.35

7.92

9.53

12.70

450

18

457.20

4.19

4.78

9.53

12.70

4.19

6.35

7.92

9.53

12.70

500

20

508.00

4.78

5.54

9.53

12.70

4.78

6.35

9.53

9.53

12.70

550

22

559

4.78

5.54

-

-

4.78

6.35

9.53

9.53

12.70

600

24

610

5.54

6.35

9.53

12.70

5.54

6.35

9.53

9.53

12.70

650

26

660

-

-

-

-

-

7.92

12.70

9.53

12.70

700

28

711

-

-

-

-

-

7.92

12.70

9.53

12.70

750

30

762.00

6.35

7.92

-

-

6.35

7.92

12.70

9.53

12.70

800
|
2100

32
|
84

812.80
|
2133.60

Thickness 6.35~30mm

*The diameter (mm) has been modified based on the latest version of ASTM A312.*