ASTM A106

astm a106 pipe_carbon steel pipe

ASTM A106 carbon steel pipe

Designed to meet the rigorous demands of industries such as oil and gas refineries, power plants, petrochemical plants, and more, our seamless carbon steel pipes are crafted to perfection.

With a range that spans from NPS 1/8 to NPS 48, our pipes are renowned for their durability, resilience, and adaptability to various forming operations and welding techniques.

When you choose our ASTM A106 Seamless Carbon Steel Pipe, you’re investing in quality, efficiency, and a product that stands the test of time.

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Specifications

Our ASTM A106 Seamless Carbon Steel Pipes come with a comprehensive specification that includes dimensions conforming to ANSI B 36.10, meticulously followed production procedures, steel grades A, B, and C, surface coatings tailored to your needs, various end types, joint methods, and a range of machining services. Whether it’s bending, flanging, or welding, our pipes are engineered to comply with all requirements, providing you with a versatile product that fits your specific needs.

  • Procedure: SMLS
  • Dimensions: O.D.: 33.4 mm – 610 mm, NPS: 1″ – 24″, DN: 6 to 600
  • Thickness: 1.65mm – 25.4mm, SCH10, SCH20, SCH30, SCH40 to SCH160
  • Steel Grade: Grade A, Grade B, Grade C
  • Surface Coating: Black, Red, Primer, Hot Dip Galvanizing, FBE coating
  • End Type: Square cut, Bevelled, Grooved
  • Joint Method: Fitting, Flange, Coupling, Clamp, Pipe Shoulder, Welding
  • Pipe Packing: In bundles, Plastic wrap

Why Choose UNIASEN?

Founded in 1998, UNIASEN is a leading force in China’s steel pipe manufacturing and export. We promise to give you the best quality at the lowest price. For any inquiries regarding the purchase of steel pipes, feel free to reach out to our seasoned team of experts.

  • Full Range Of Steel Pipes: UNIASEN provides a full range of steel pipes. This includes SMLS pipe, ERW pipe, Hollow Section, line pipe, coated pipe, and more.
  • Standard Certifications: We hold international certifications, including ISO 9001, ISO 14001, and ISO 45001. UNIASEN pipe products are manufactured following standards. These include API 5L, API 5CT, ASTM A106, and EN10217.
  • Fast Delivery: We have 20,000 tons of pipes in stock. Products can be shipped to the port of departure within seven days.
  • Worry-free After-sales Service: UNIASEN provides professional purchasing guidance. It handles returns and exchanges on time if there are quality problems.

Dimension

The dimension table of our ASTM A106 Seamless Carbon Steel Pipes is an extensive guide that ensures you find the perfect fit for your project. Ranging from NPS 1/8 to NPS 48, with nominal wall thickness as stipulated in ANSI B 36.10, our pipes are available in dimensions that suit every application. With UNIASEN, you can opt for pipes with other dimensions, as long as they align with the specifications, ensuring a customized solution for your unique requirements.

Steel Pipe Dimensions Chart ANSI B36. 10

Nominal
Pipe Size

Outside
Diameter
(mm)

mm

NPS

DN

OD

SCH
10

SCH
20

SCH
30

SCH
STD

SCH
40

SCH
60

SCH
XS

SCH
80

SCH
100

SCH
120

SCH
140

SCH
160

SCH
XXS

1/8

6

10.3

1.24

–

1.45

1.73

1.73

–

2.41

2.41

–

–

–

–

–

1/4

8

13.7

1.65

–

1.85

2.24

2.24

–

3.02

3.02

–

–

–

–

–

3/8

10

17.1

1.65

–

1.85

2.31

2.31

–

3.20

3.20

–

–

–

–

–

1/2

15

21.3

2.11

–

2.41

2.77

2.77

–

3.73

3.73

–

–

–

4.78

7.47

3/4

20

26.7

2.11

–

2.41

2.87

2.87

–

3.91

3.91

–

–

–

5.56

7.82

1

25

33.4

2.77

–

2.9

3.38

3.38

–

4.55

4.55

–

–

–

6.35

9.09

1 1/4

32

42.2

2.77

–

2.97

3.56

3.56

–

4.85

4.85

–

–

–

6.35

9.70

1 1/2

40

48.3

2.77

–

3.18

3.68

3.68

–

5.08

5.08

–

–

–

7.14

10.15

2    

50

60.3

2.77

–

3.18

3.91

3.91

–

5.54

5.54

–

–

–

8.74

11.07

2 1/2

65

73

3.05

–

4.78

5.16

5.16

–

7.01

7.01

–

–

–

9.53

14.02

3    

80

88.9

3.05

–

4.78

5.49

5.49

–

7.62

7.62

–

–

–

11.13

15.24

3 1/2

90

101.6

3.05

–

4.78

5.74

5.74

–

8.08

8.08

–

–

–

–

–

4

100

114.3

3.05

–

4.78

6.02

6.02

–

8.56

8.56

–

11.13

–

13.49

17.12

5

125

141.3

3.40

–

–

6.55

6.55

–

9.53

9.53

–

12.70

–

15.88

19.05

6

150

168.3

3.40

–

–

7.11

7.11

–

10.97

10.97

–

14.27

–

18.26

21.95

8

200

219.1

3.76

6.35

7.04

8.18

8.18

10.31

12.70

12.70

15.09

18.26

20.62

23.01

22.23

10

250

273.0

4.19

6.35

7.80

9.27

9.27

12.70

12.70

15.09

18.26

21.44

25.40

28.58

25.40

12

300

323.8

4.57

6.35

8.38

9.53

10.31

14.27

12.70

17.48

21.44

25.40

28.58

33.32

25.40

14

350

355.6

6.35

7.92

9.53

9.53

11.13

15.09

12.70

19.05

23.83

27.79

31.75

35.71

–

16

400

406.4

6.35

7.92

9.53

9.53

12.70

16.66

12.70

21.44

26.19

30.96

36.53

40.49

–

18

450

457 

6.35

7.92

11.13

9.53

14.27

19.05

12.70

23.83

29.36

34.93

39.67 

45.24

–

20

500

508

6.35

9.53

12.70

9.53

15.09

20.62

12.70

26.19

32.54

38.10

44.45

50.01

–

22

550

559

6.35

9.53

12.70

9.53

–

22.23

12.70

28.58

34.93

41.28

47.63

53.98

–

24

600

610

6.35

9.53

14.27

9.53

17.48

24.61

12.70

30.96

38.89

46.02

52.37

59.54

–

26

650

660

7.92

12.70

–

9.53

–

–

12.70

–

–

–

–

–

–

28

700

711

7.92

12.70

15.88

9.53

–

–

12.70

–

–

–

–

–

–

30

750

762

7.92

12.70

15.88

9.53

–

–

12.70

–

–

–

–

–

–

32

800

813

7.92

12.70

15.88

9.53

17.48

–

12.70

–

–

–

–

–

–

34

850

864

7.92

12.70

15.88

9.53

17.48

–

12.70

–

–

–

–

–

–

36

900

914

7.92

12.70

15.88

9.53

19.05

–

12.70

–

–

–

–

–

–

38

950

965

–

–

–

9.53

–

–

12.70

–

–

–

–

–

–

40

1000

1016

–

–

–

9.53

–

–

12.70

–

–

–

–

–

–

42

1050

1067

–

–

–

9.53

–

–

12.70

–

–

–

–

–

–

44

1100

1118

–

–

–

9.53

–

–

12.70

–

–

–

–

–

–

46

1150

1168

–

–

–

9.53

–

–

12.70

–

–

–

–

–

–

48

1200

1219

–

–

–

9.53

–

–

12.70

–

–

–

–

–

–

Chemical Requirement

At UNIASEN, we adhere to stringent chemical requirements for our ASTM A106 Seamless Carbon Steel Pipes. Our commitment to quality ensures that the chemical composition of the steel is meticulously controlled to provide superior corrosion resistance, strength, and durability. From the carbon content to the trace elements, every aspect is carefully monitored to deliver a product that not only meets but exceeds industry standards, offering you a reliable and long-lasting solution.

Composition %

Element

Grade A

Grade B

Grade C

Carbon， max

0.25

0.30 

0.35

Manganese

0.27-0.93

0.29-1.06

0.29-1.06

Phosphorus， max

0.035

0.035

0.035

Sulfur， max

0.035

0.035

0.035

Silicon， min

0.10 

0.10 

0.10 

Chromium， max

0.40 

0.40 

0.40 

Copper， max

0.40 

0.40 

0.40 

Molybdenum， max

0.15 

0.15 

0.15 

Nickel， max

0.40 

0.40 

0.40 

Vanadium， max

0.08 

0.08 

0.08 

 

Mechanical Requirement

The mechanical requirements of our ASTM A106 Seamless Carbon Steel Pipes are designed to ensure unparalleled performance under high temperatures and pressure levels. From tensile strength to yield strength, elongation, and hardness, every mechanical property is optimized to provide a robust and resilient product. When choosing UNIASEN, you choose a product engineered for excellence, ensuring that your projects run smoothly and efficiently.

 

Mechanical Properties

Grade A

Grade B

Grade C

Tensile Strength， min， psi [MPa]

48 000 [330]

60 000 [415]

70 000 [485]

Yield Strength， min， psi [MPa]

30 000 [205]

35 000 [240]

40 000 [275]

 

Steel Grades

UNIASEN offers ASTM A106 Seamless Carbon Steel Pipes in three distinct steel grades:

Grade A has a maximum of 0.25% carbon, Grade B has a maximum of 0.30% carbon, and Grade C has a maximum of 0.35% carbon.

Each grade is tailored to provide specific benefits, allowing you to select the ideal material for your application.

With our diverse range of steel grades, you can find the perfect balance between cost, performance, and longevity.

Production Tolerance

Precision and consistency are at the core of UNIASEN’s ASTM A106 Seamless Carbon Steel Pipes.

Our production tolerance adheres to the strictest industry standards, ensuring that every pipe you receive meets your exact specifications.

From dimensions to weight, wall thickness, and length, our production tolerance guarantees a product that fits seamlessly into your operations, minimizing downtime and maximizing productivity.

Trust in UNIASEN’s commitment to quality, and let our ASTM A106 Seamless Carbon Steel Pipes be the backbone of your success.

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