Углеродистая стальная бесшовная труба

Standard

Grade

Chemical Components (%)

Mechanical Properties

C

Si

Mn

P

S

Tensile STrength(Mpa)

Yield STrength(Mpa)

ASTM A53

A

≤0.25

-

≤0.95

≤0.05

≤0.06

≥330

≥205

B

≤0.30

-

≤1.2

≤0.05

≤0.06

≥415

≥240

ASTM A106

A

≤0.30

≥0.10

0.29-1.06

≤0.035

≤0.035

≥415

≥240

B

≤0.35

≥0.10

0.29-1.06

≤0.035

≤0.035

≥485

≥275

ASTM A500

A

≤0.26

-

≤1.35

≤0.035

≤0.035

≥310

≥230

B

≤0.30

-

≤1.40

≤0.045

≤0.045

≥400

≥290

C

≤0.23

-

≤1.35

≤0.035

≤0.035

≥425

≥315

D

≤0.27

-

≤1.40

≤0.045

≤0.045

≥400

≥250

Pipe types

Pipe sizes(mm)

Tolerances

Hot rolled

OD<50

±0.50mm

OD≥50

±1%

WT<4

±12.5%

WT 4～20

+15%, -12.5%

WT>20

±12.5%

Cold drawn

OD 6～10

±0.20mm

OD 10～30

±0.40mm

OD 30～50

±0.45

OD>50

±1%

WT≤1

±0.15mm

WT 1～3

+15%, -10%

WT >3

+12.5%, -10%

NOMINAL  PIPE  SIZE

OD

(mm)

NOMINAL WALL THICKNESS

DN

NB(inch)

ASME

SCH10

SCH20

SCH30

STD

SCH40

SCH60

XS

SCH80

SCH100

SCH120

SCH140

SCH160

XXS

15

1/2"

21.3

2.11

2.41

2.77

2.77

3.73

3.73

4.78

7.47

20

3/4"

26.7

2.11

2.41

2.87

2.87

3.91

3.91

5.56

7.82

25

1"

33.4

2.77

2.9

3.38

3.38

4.55

4.55

6.35

9.09

32

1.1/4"

42.2

2.77

2.97

3.56

3.56

4.85

4.85

6.35

9.7

40

1.1/2"

48.3

2.77

3.18

3.68

3.68

5.08

5.08

7.14

10.15

50

2"

60.3

2.77

3.18

3.91

3.91

5.54

5.54

8.74

11.07

65

2.1/2"

73

3.05

4.78

5.16

5.16

7.01

7.01

9.53

14.02

80

3"

88.9

3.05

4.78

5.49

5.49

7.62

7.62

11.13

15.25

90

3.1/2"

101.6

3.05

4.78

5.74

5.74

8.08

8.08

100

4"

114.3

3.05

4.78

6.02

6.02

8.56

8.56

11.13

13.49

17.12

125

5"

141.3

3.4

6.55

6.55

9.53

9.53

12.7

15.88

19.05

150

6"

168.3

3.4

7.11

7.11

10.97

10.97

14.27

18.26

21.95

200

8"

219.1

3.76

6.35

7.04

8.18

8.18

10.31

12.7

12.7

15.09

18.26

20.62

23.01

22.23

250

10"

273

4.19

6.35

7.8

9.27

9.27

12.7

12.7

15.09

18.26

21.44

25.4

28.58

25.4

300

12"

323.8

4.57

6.35

8.38

9.53

10.31

14.27

12.7

17.48

21.44

25.4

28.58

33.32

25.4

350

14"

355.6

6.35

7.92

9.53

9.53

11.13

15.09

12.7

19.05

23.83

27.79

31.75

35.71

400

16"

406.4

6.35

7.92

9.53

9.53

12.7

16.66

12.7

21.44

26.19

30.96

36.53

40.19

450

18"

457.2

6.35

7.92

11.13

9.53

14.27

19.05

12.7

23.83

39.36

34.93

39.67

45.24

500

20"

508

6.35

9.53

12.7

9.53

15.09

20.62

12.7

26.19

32.54

38.1

44.45

50.01

550

22"

558.8

6.35

9.53

12.7

9.53

22.23

12.7

28.58

34.93

41.28

47.63

53.98

600

24"

609.6

6.35

9.53

14.27

9.53

17.48

24.61

12.7

30.96

38.89

46.02

52.37

59.54

650

26"

660.4

7.92

12.7

9.53

12.7

700

28"

711.2

7.92

12.7

15.88

9.53

12.7

750

30"

762

7.92

12.7

15.88

9.53

12.7

800

32"

812.8

7.92

12.7

15.88

9.53

17.48

12.7

850

34"

863.6

7.92

12.7

15.88

9.53

17.48

12.7

900

36"

914.4

7.92

12.7

15.88

9.53

19.05

12.7

АСТМ А53

Стандартные технические условия для трубы, стали, черного и Горяч-окунутого, Цинк-покрынного, сваренного и безшовного

АСТМ А106

Стандартная спецификация для бесшовных труб из углеродистой стали для высокотемпературного обслуживания

АСТМ А500

Спецификация для холодн-сформированного сваренного и безшовного трубопровода стали углерода структурного в раунды и формы