SMLS Carbon Seamless Steel Pipe With 3PE / 3PP / FBE / Epoxy Coating

Chilled water pipe

Steam/condensate pipe

Heat exchanger pipe

Marine/offshore pipe

Dredging pipe

Industrial pipe

Oil and gas pipe

Fire fighting pipe

Construction/structure pipe

Irrigation pipe

Drain/sewage pipe

Boiler tube

3PE Coating

3PP Coating

FBE Coating

Epoxy Coating

Special Painting

CS 5L wall thickness t mm (in)

Pipes Tolerances an mm (in) mm (in)

SMLS pipe b

≤ 4,0 (0.157)

+ 0,6 (0.024) – 0,5 (0.020)

> 4,0 (0.157) to

+ 0,150 – 0,125

≥ 25,0 (0.984)

+3,7 (0.146) or + 0,1 t whichever is the greater – 3,0 (0.120) or – 0,1 t whichever is the greater

NPS

OD

Wall Thickness

STD

Sch40

XS

Sch80

Sch160

XXS

1/8″

10.3

1.73

1.73

2.41

2.41

1/4″

13.7

2.24

2.24

3.02

3.02

3/8″

17.1

2.31

2.31

3.2

3.20

1/2″

21.3

2.77

2.77

3.73

3.73

4.78

7.47

3/4″

26.7

2.87

2.87

3.91

3.91

5.56

7.82

1″

33.4

3.38

3.38

4.55

4.55

6.35

9.09

1 1/4″

42.2

3.56

3.56

4.85

4.85

6.35

9.7

1 1/2″

48.3

3.68

3.68

5.08

5.08

7.14

10.16

2″

60.3

3.91

3.91

5.54

5.54

8.74

11.07

2 1/2″

73

5.16

5.16

7.01

7.01

9.53

14.02

3″

88.9

5.49

5.49

7.62

7.62

11.13

15.24

3 1/2″

101.6

5.74

5.74

8.08

8.08

4″

114.3

6.02

6.02

8.58

8.56

13.49

17.12

5″

141.3

6.55

6.55

9.53

9.53

15.88

19.05

6″

168.3

7.11

7.11

10.97

10.97

18.28

21.95

8″

219.1

8.18

8.18

12.7

12.70

23.01

22.23

10″

273

9.27

9.27

12.7

15.09

28.58

25.4

12″

323.8

9.53

10.31

12.7

17.48

33.32

25.4

14″

355.6

9.53

11.13

12.7

19.05

35.71

16″

406.4

9.53

12.7

12.7

21.44

40.4

20″

508

9.53

15.09

12.7

26.18

50.01

24″

610

9.53

17.48

12.7

30.96

59.54

Standard

Grade

Chemical Components (%)

Mechanical Properties

ASTM A53

C

Si

Mn

P

S

Tensile STrength(Mpa)

Yield STrength(Mpa)

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 SA179

A179

0.06-0.18

-

0.27-0.63

≤0.035

≤0.035

≥325

≥180

ASTM SA192

A192

0.06-0.18

≤0.25

0.27-0.63

≤0.035

≤0.035

≥325

≥180

API 5L PSL1

A

0.22

-

0.90

0.030

0.030

≥331

≥207

B

0.28

-

1.20

0.030

0.030

≥414

≥241

X42

0.28

-

1.30

0.030

0.030

≥414

≥290

X46

0.28

-

1.40

0.030

0.030

≥434

≥317

X52

0.28

-

1.40

0.030

0.030

≥455

≥359

X56

0.28

-

1.40

0.030

0.030

≥490

≥386

X60

0.28

-

1.40

0.030

0.030

≥517

≥448

X65

0.28

-

1.40

0.030

0.030

≥531

≥448

X70

0.28

-

1.40

0.030

0.030

≥565

≥483

API 5L PSL2

B

0.24

-

1.20

0.025

0.015

≥414

≥241

X42

0.24

-

1.30

0.025

0.015

≥414

≥290

X46

0.24

-

1.40

0.025

0.015

≥434

≥317

X52

0.24

-

1.40

0.025

0.015

≥455

≥359

X56

0.24

-

1.40

0.025

0.015

≥490

≥386

X60

0.24

-

1.40

0.025

0.015

≥517

≥414

X65

0.24

-

1.40

0.025

0.015

≥531

≥448

X70

0.24

-

1.40

0.025

0.015

≥565

≥483

X80

0.24

-

1.40

0.025

0.015

≥621

≥552

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%