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ASTM A 106B A53 Seamless Steel Pipe

The duplex stainless steel tubing is principally applied to seawater environment, petrochemical industry, fertilizer industry, oil refining industry, oil and natural gas transportation, light industry and food sector, pulp and papermaking industry, and energy and environmental security market.

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ASTM A 106B A53 Seamless Steel Pipe
Our company regards providing customers with advanced light gauge steel pipe, stainless steel tube profiles, Large Diameter Pipe as our responsibility and improving customer work efficiency as our mission. On the road of brand development, quality casting future, we adhere to the focus, concentration and specialized research. Our company always takes the customer as the center, takes service as the highest purpose, and truly fulfills the promise of 'leading technology, quality assurance, and service first'. All our products are at the advanced level of the industry. The system development ability includes the ability of talent support, culture guidance, innovation drive and safety development.

Product Description

The duplex stainless steel tubing is principally applied to seawater environment, petrochemical industry, fertilizer industry, oil refining industry, oil and natural gas transportation, light industry and food sector, pulp and papermaking industry, and energy and environmental security market.


Production Standard: ASTM A789(ASME SA789)

Seamless and Welded Ferrite/Austenitic Stainless Steel Tube for General Use ASTM A790(ASME SA790)

Seamless and Welded Ferrite/Austenitic Stainless Steel Nominal Tube ASTM A928

Standard for Filler Metal Electric-fusion-welded Ferrite/Austenitic (Duplex) Stainless Steel Tube


Production Rang :

Norminal Pipe Size

Outside DiameterNorminal Wall Thickness (mm)

NPS

in

BN

mm

SCH5s

SCH10s

SCH40s

SCH80s

1/8

0.405

6

10.3

--

1.24

1.73

2.41

1/4

0.540

8

13.7

--

1.65

2.24

3.02

3/8

0.675

10

17.1

--

1.65

2.31

3.2

1/2

0.840

15

21.3

1.65

2.11

2.77

3.73

3/4

1.050

20

26.7

1.65

2.11

2.87

3.91

1

1.315

25

33.4

1.65

2.77

3.38

4.55

1 1/4

1.660

32

42.2

1.65

2.77

3.56

4.85

1 1/2

1.900

40

48.3

1.65

2.77

3.68

5.08

2

2.375

50

60.3

1.65

2.77

3.91

5.54

2 1/2

2.875

65

73.0

2.11

3.05

5.16

7.01

3

3.500

80

88.9

2.11

3.05

5.49

7.62

3 1/2

4.000

90

101.6

2.11

3.05

5.74

8.08

4

4.500

100

114.3

2.11

3.05

6.02

8.56

5

5.563

125

141.3

2.77

3.4

6.55

9.53

6

6.625

150

168.3

2.77

3.4

7.11

10.97

8

8.625

200

219.1

2.77

3.76

8.18

12.7

10

10.750

250

273.1

3.4

4.19

9.27

12.7

12

12.750

300

323.9

3.96

4.57

9.53

12.7

14

14.000

350

355.6

3.96

4.78

9.53

--

16

16.000

400

406.4

4.19

4.78

9.53

--

18

18.000

450

457.2

4.19

4.78

9.53

--

20

20.000

500

508.0

4.78

5.54

9.53

--

22

22.000

550

558.8

4.78

5.54

--

--

24

24.000

600

609.6

5.54

6.35

9.53

--

26

26.000

650

660.4

--

--

--

--

28

28.000

700

711.2

--

--

--

--

30

30.000

750

762.0

6.35

7.92

--

--

32

32.000

800

812.8

--

7.92

--

--

34

34.000

850

863.6

--

7.92

--

--

36

36.000

900

914.4

--

7.92

--

--

38

38.000

950

965.2

--

--

--

--

40

40.000

1000

1016.0

--

9.53

--

--

If you need more sizes, please consult with us


Main grade description in different standard

ASTM

DIN / EN

JIS

GB

ISO Name

S32750 / 2507

1.4410

-

S25073

X2CrNiMoN25–7-4

S32205 / 2205

-

-

S22053

- 

S31803

1.4462

SUS329J3L

S22253

X2CrNiMoN22-5-3


Main grade chemical component in different standard

2507

C %

Si %

Mn %

P %

S %

Ni %

Cr %

Mo %

N %

Cu %

ASTM

0.03

0.08

2.00

0.04

0.02

6.0-8.0

24 0-26 0

3.0-5.0

0.24-0.32

0.5

DIN/EN

0,03

1,00

2,00

0,035

0,015

6,0-8,0

24,0-26,0

3,0-4,5

0,24-0,35

-

JIS

-

-

-

-

-

-

-

-

-

-

GB

0.03

0.08

1.20

0.04

0.02

6.0-8.0

24.0-26.0

3.0-5.0

0.24-0.32

0.5

2205

C %

Si %

Mn %

P %

S %

Ni %

Cr %

Mo %

N %

Cu %

ASTM

0.03

1.00

2.00

0.030

0.020

4.5-6.5

22.0-23.0

3.0-3.5

0.14-0.20

-

DIN/EN

-

-

-

-

-

-

-

-

-

-

JIS

-

-

-

-

-

-

-

-

-

-

GB

0.03

1.00

2.00

0.03

0.02

4.5-6.5

22.0-23.0

3.0-3.5

0.14-0.20

-

S31803

C %

Si %

Mn %

P %

S %

Ni %

Cr %

Mo %

N %

Cu %

ASTM

0.03

1.00

2.00

0.030

0.020

4.5-6.5

21.0-23.0

2.5-3.5

0.08-0.20

-

DIN/EN

0,03

1,00

2,00

0,035

0,015

4,5-6,5

21,0-23,0

2,5-3,5

0,10-0,22

-

JIS

0.03

1.00

2.00

0.040

0.030

4.5-6.5

21.0-24.0

2.5-3.5

0.08-0.20

-

GB

0.03

1.00

2.00

0.030

0.020

4.5-6.5

21.0-23.0

2.5-3.5

0.08-0.20

-


Main grade mechanical property in different standard

2507

Y.S./Mpa ≥

T.S./Mpa ≥

E.L./% ≥

HB ≤

HRC ≤

HBW ≤

HV ≤

ASTM

550

795

15

-

32

310

-

JIS

-

-

-

-

-

-

-

GB

550

795

15

-

32

310

-

2205

Y.S./Mpa ≥

T.S./Mpa ≥

E.L./% ≥

HB ≤

HRC ≤

HBW ≤

HV ≤

ASTM

450

655

25

-

31

293

-

JIS

-

-

-

-

-

-

-

GB

450

620

25

-

31

293

-

S31803

Y.S./Mpa ≥

T.S./Mpa ≥

E.L./% ≥

HB ≤

HRC ≤

HBW ≤

HV ≤

ASTM

420

620

25

-

31

293

-

JIS

450

620

18

-

32

302

320

GB

450

620

25

-

31

293

-


Production Process and Feature

Duplex stainless steel tubes are developed to the next generation since they were created in the United States from the 1940s. Its main feature is that the yield strength can attain 400-550MPa, which is double that of stainless steel, so it can save materials and decrease equipment manufacturing costs. Concerning corrosion resistance, particularly when the moderate environment is comparatively harsh (for example, sea water and higher chloride ion content), the resistance to pitting, crevice corrosion, stress corrosion and corrosion fatigue of duplex stainless steel is considerably better than that of ordinary austenite Stainless steel is similar to high-alloy austenitic stainless steel.


Due to the features of this two-phase structure, following the right chemical composition and heat treatment process, the duplex stainless steel has the benefits of the ferritic stainless steel and austenitic stainless steel. It combines the superb toughness and weldability of austenitic stainless steel with The greater durability and chloride stress corrosion resistance of ferritic stainless steel are split together. It's these superior properties which make duplex stainless steel grow rapidly as a weldable structural material. Since the 1980s, it is now a martensitic type.


Application

Duplex stainless steel pipe has good corrosion resistance to wear and fatigue corrosion. Under some corrosive media requirements, it's acceptable for manufacturing pipes, valves, pumps and other power equipment.


We are adhering to the corporate culture of 'integrity-based, innovative and enterprising, resource integration, and quality improvement', actively integrate various resources, and take the production of high-quality ASTM A 106B A53 Seamless Steel Pipe as the development goal. Before export of the hair there is strict top quality control check during treatment as per international good quality standards. The new corporate culture philosophy system is the result of our thinking based on the history of corporate growth, actively responding to changes, and meeting future challenges.
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