API สีดำท่อเหล็กไร้รอยต่อ

Out Diameter

13.7mm-914mm

Wall Thickness

2mm-120mm

Length

2m-12m

Producing Standard

American ASME B36.10M, ASTM, API 5L, API 5CT

Japanese JIS,German DIN,Chinese GB,BS standard

Steel Grade

ASTM A53, A106, A210, A252, A333 etc;

PSL1: A, B, x42, x46, x52, x56, x60, x65, x70

PSL2: B, x42, x46, x52, x56, x60, x65, x70, x80

JIS STPG42, G3454, G3456 etc;

DIN St37, St42, St45, St52, DIN1626, DIN17175;

GB 20#, Q345, 16Mn etc.

Special specifications

Available according to customer’s requirements and quantity.

End Shape

Beveled end , plain end, varnished, or adding plastic caps to protect the two ends as per customer’s requirements

Surface treatment

Painted, Oiled, galvanized, phosphate etc

Usage

1.Widely used in the mechanical treatment field, petrochemical industry, transport and construction field

2.Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;

3.The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc

4.Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc

Third party inspection

Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products.

API 5L Grade

Yield Strength(ksi)

min.

Tensile Strength(ksi)

min.

Yield to Tensile Ratio

(max.)

Elongation(% )

min.

A

30

48

0.93

28

B

35

60

0.93

23

X42

42

60

0.93

23

X46

46

63

0.93

22

X52

52

66

0.93

21

X56

56

71

0.93

19

X60

60

75

0.93

19

X65

65

77

0.93

18

X70

70

82

0.93

17

X80

80

90

0.93

16

Standard

Steel grade

Chemical Compositions(%)

Mechanical Properties

C(Max)

Mn(Max)

P(Max)

S(Max)

Tensile strength(Min)

Yield strength(Min)

Psi X 1000

Mpa

Psi X 1000

Mpa

API 5L PIPE PSL 1

A25

CL I

0.21

0.60

0.030

0.030

45

310

25

172

CL II

0.21

0.60

0.030

0.030

A

0.22

0.90

0.030

0.030

48

331

30

207

B

0.26

1.20

0.030

0.030

60

414

35

241

X42

0.26

1.30

0.030

0.030

60

414

42

290

X46

0.26

1.40

0.030

0.030

63

434

46

317

X52

0.26

1.40

0.030

0.030

66

455

52

359

X56

0.26

1.40

0.030

0.030

71

490

56

386

X60

0.26

1.40

0.030

0.030

75

517

60

414

X65

0.26

1.45

0.030

0.030

77

531

65

448

X70

0.26

1.65

0.030

0.030

82

565

70

483

Standard

Steel grade

Chemical Composition(%)

Mechanical Properties

C

Mn

P

S

Tensile strength

Yield strength(Mpa)

(Max)

(Max)

(Max)

(Max)

Psi X 1000

Mpa

Psi X 1000

Mpa

API 5L PIPE PSL 2

B

0.22

1.20

0.025

0.015

60-110

414-758

35-65

241-448

X42

0.22

1.30

0.025

0.015

60-110

414-758

42-72

290-496

X46

0.22

1.40

0.025

0.015

63-110

434-758

46-76

317-524

X52

0.22

1.40

0.025

0.015

66-110

455-758

52-77

359-531

X56

0.22

1.40

0.025

0.015

71-110

490-758

56-79

386-544

X60

0.22

1.40

0.025

0.015

75-110

517-758

60-82

414-565

X65

0.22

1.45

0.025

0.015

77-110

531-758

65-82

448-565

X70

0.22

1.65

0.025

0.015

82-110

565-758

70-82

483-565

X80

0.22

1.90

0.025

0.015

90-110

621-827

80-102

552-705