Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

JIS G3454 STPG 370 PIPE / STPG 410 CARBON STEEL PIPE Chemical Composition and Mechanical Properties , JIS G3454 ANSI B36.10M ANSI B36.19M PIPE WALL THICKENESS SCHEDULES DIMENSION


JIS G3454 ANSI B36.10M ANSI B36.19M PIPE WALL THICKENESS SCHEDULES DIMENSION

(Sch40~XXS)(in mm)

Nominal Wall Thickness

Outside

Diameter

Nominal

Pipe Size

Sch 40

Sch 60

XS

Sch 80

Sch 100

Sch 120

Sch 140

Sch 160

XXS

JIS

ANSI

A

B

2.2

2.4

(3.0)

3.0

-

-

-

-

-

13.8

13.7

8

1/4

2.3

2.8

(3.2)

3.2

-

-

-

-

-

17.3

17.1

10

3/8

2.8

3.2

(3.7)

3.7

-

-

-

4.7

7.5

21.7

21.3

15

1/2

2.9

3.4

(3.9)

3.9

-

-

-

5.5

7.8

27.2

26.7

20

3/4

3.4

3.9

(4.5)

4.5

-

-

-

6.4

9.1

34.0

33.5

25

1

3.6

4.5

(4.9)

4.9

-

-

-

6.4

9.7

42.7

42.2

32

1-1/4

3.7

4.5

(5.1)

5.1

-

-

-

7.1

10.2

48.6

48.3

40

1-1/2

3.9

4.9

(5.5)

5.5

-

-

-

8.7

11.1

60.5

60.3

50

2

5.2

6.0

(7.0)

7.0

-

-

-

9.5

14.0

76.3

73.0

65

2-1/2

5.5

6.6

(7.6)

7.6

-

-

-

11.1

15.2

89.1

88.9

80

3

5.7

7.0

(8.1)

8.1

-

-

-

12.7

-

101.6

101.6

90

3-1/2

6.0

7.1

(8.6)

8.6

-

11.1

-

13.5

17.1

114.3

114.3

100

4

6.6

8.1

(9.5)

9.5

-

12.7

-

15.9

19.0

139.8

141.3

125

5

7.1

9.3

(11.0)

11.0

-

14.3

-

18.2

21.9

165.2

168.3

150

6

-

-

-

-

-

-

-

-

-

190.7

-

175

7

8.2

10.3

(12.7)

12.7

15.1

18.2

20.6

23.0

22.2

216.3

219.1

200

8

-

-

-

-

-

-

-

-

-

241.8

-

225

9

9.3

12.7

12.7

15.1

18.3

21.4

25.4

28.6

25.4

267.4

273.1

250

10

10.3

14.3

12.7

17.4

21.4

25.4

28.6

33.3

25.4

318.5

323.9

300

12

11.1

15.1

12.7

19.0

23.8

27.8

31.8

35.7

-

355.6

355.6

350

14

12.7

16.7

12.7

21.4

26.2

30.9

36.5

40.5

-

406.4

406.4

400

16

14.3

19.0

12.7

23.8

29.4

34.9

39.7

45.2

-

457.2

457.2

450

18

15.1

20.6

12.7

26.2

32.5

38.1

44.4

50.0

-

508.0

508.0

500

20

-

22.2

12.7

28.6

34.9

41.3

47.6

54.0

-

558.8

558.8

550

22

17.5

24.6

12.7

31.0

38.9

46.0

52.4

59.5

-

609.6

609.6

600

24

-

-

12.7

-

-

-

-

-

-

660.4

660.4

650

26

-

-

12.7

-

-

-

-

-

-

711.2

711.2

700

28

-

-

12.7

-

-

-

-

-

-

762.0

762.0

750

30

17.5

-

12.7

-

-

-

-

-

-

812.8

812.8

800

32

17.5

-

12.7

-

-

-

-

-

-

863.6

863.6

850

34

19.1

-

12.7

-

-

-

-

-

-

914.4

914.4

900

36

-

-

12.7

-

-

-

-

-

-

965.2

965.2

950

38

-

-

12.7

-

-

-

-

-

-

1016.0

1016.0

1000

40

-

-

12.7

-

-

-

-

-

-

1066.8

1066.8

1050

42

-

-

12.7

-

-

-

-

-

-

1117.6

1117.6

1100

44

-

-

12.7

-

-

-

-

-

-

1168.4

1168.4

1150

46

-

-

12.7

-

-

-

-

-

-

1219.2

1219.2

1200

48

-

-

*12.7

-

-

-

-

-

-

1270.0

1270.0

1250

50

-

-

*12.7

-

-

-

-

-

-

1320.8

1320.8

1300

52

-

-

*12.7

-

-

-

-

-

-

1371.6

1371.6

1350

54

-

-

*12.7

-

-

-

-

-

-

1422.4

1422.4

1400

56

-

-

*12.7

-

-

-

-

-

-

1473.2

1473.2

1450

58

-

-

*12.7

-

-

-

-

-

-

1524.0

1524.0

1500

60

 Remarks.

JIS G3454 STPG 370 PIPE, STPG 410 CARBON STEEL PIPE

1. When the tensile test is carried out for No. 12 or No.5 test piece for the pipe under 8mm in wall thickness, the minimum value of elongation shall be obtained by subtracting
1.5% from the values of elongation given in Table 3-1 for each 1 mm decrease in wall thickness, and rounding off to an integer in accordance with JIS Z 8401. Examples of calculation are given in Informative Reference Table1.
2. The values of elongation given in Table 3-1 shall not be applied to the pipe whose nominal diameter is 25A or smaller. However, the value of elongation shall be recorded.
3. In sampling the tensile test pieces from the electric resistance welded steel pipe, NO.12 or No.5 test piece shall be taken from the portion not involving welded seams.
Informative Reference Table 1.
Examples of Elongation Values Calculated for No.12 test piece (longitudinal) and No.5 test piece (transverse)taken from pipes under 8mm in wall thickness

Letter symbol of grade

shape of test piece

Elongation value relating to wall thickness %

Letter symbol of grade

shape of test piece

Over 7mm

to and excl.8mm

Over 6mm

to and excl7mm

Over 5mm

to and excl.6mm

Over 4mm

to and excl. 5mm

Over 3mm

to and excl. 4mm

Over 2mm

to and excl. 3mm

Over 1mm

to and excl. 2mm

STPG 370

No12 test piece

30

28

27

26

24

22

21

STPG 370

No5. test piece

25

24

22

20

19

18

16

STPG 410

No. 12 test piece

25

24

22

20

19

18

16

STPG 410

No 5. test piece

20

18

17

16

14

12

11

 

JIS CARBON STEEL ELBOW

. Chemical Composition

The pipe shall be tested in accordance with 9.1 and the ladle analysis values obtained shall conform to Table 2-1 or Table 2-2.
Table 2

Letter symbol of grade

Elongation %

Letter symbol of grade

C

Si

Mn

P

S

STPG 370

0.25 max.

0.35 max.

0.30 to 0.90

0.040 max.

0.040 max.

STPG 410

0.30 max.

0.35 max.

0.30 to 1.00

0.040 max.

0.040 max.

5. Mechanical Properties

5.1 Tensile Strength, Yield Point or Proof Stress and Elongation
The pipe shall be tested in accordance with 9.2 and the tensile strength, yield point or proof stress and elongation obtained shall comply with Table 3-1

Letter symbol of grade

Table 3 Mechanical Properties

Letter symbol of grade

Tensile strength

Yield point or proof stress

Elongation %

Letter symbol of grade

kgf/mm2 {N/mm2}

kgf/mm2 {N/mm2}

No.11 and No.12 test pieces

No. 5 test pieces

No. 4 test piece

Letter symbol of grade

kgf/mm2 {N/mm2}

kgf/mm2 {N/mm2}

Longitudinal

Transverse

Longitudinal

Transverse

STPG 370

38 {373}min

22{216} min

30 min

25 min

23 min

28 min

STPG 410

42{412}min

25{245} min

25 min

20 min

19 min

24 min

 

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