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Welded Stainless Steel Pipe
Welded Stainless Steel Pipe,3LPE Coated Pipe,HFW Pipe,Alloy Pressure Pipe
Check Valves,Casing and Tubing Coupling,CS Pipe
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Welded Stainless Steel Pipe

Product:

Stainless Steel Welded Pipe

Size:

Outside Diameter: 1/4''-36''


Wall Thickness: SCH 5, SCH 10S, SCH 40S, SCH 80S

Pipe Standard:

ASTM A312/A1016/A269/A268/A789/A632/A250/A270/A358/A688/A814/A409


EN10216/EN10297/JIS G3448/G3459/G3463

Grades:

200 series:201,202.204Cu.


300series:301,302,304,304Cu,303,303Se,304L,305,307,308,308L,309,309S,310,310S,316,316L,321.


400 series:410,420,430,420J2,439,409,430S,444,431,441,446,440A,440B,440C.


Duplex and Others:2205,904L,S31803,330,660,630,17-4PH,631,17-7PH,2507,F51,S31254 etc.

Application:

In Chemical Industry, Coal, Oil Field Open Machine, Building Materials Heat-resistant Parts

  • Description
  • Specification
  • Standard
  • Process
  • Packing

Available Specification

Product Name

Executive Standard

Dimension

Steel Code / Steel Grade

Industrial Pipes

ASTM A312, A358, A778, JIS G3459

OD: 1/4"~40"
WT: SCH5S~SCH80S

TP304, TP304L, TP316L, SUS304TP

Tubes for Boiler and Heat-Exchanger, General Service Tubing

ASTM A249, A269, JIS G3463

OD: 15.9~139.8mm
WT: 1.6~5.0mm

TP304, TP304L, TP316L, SUS304TB

Mechanical and Structural Tubes

ASTM A554, JIS G3446

OD: 7.9~152.4mm
WT: 0.5~6.5mm

MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill's STD SUS304

Square Tubes

ASTM A554

OD: 12.7x12.7~150x150mm
WT: 0.7~6.5mm

MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill's STD

Rectangular Tubes

ASTM A554

OD: 10x20~100x200mm
WT: 0.7~6.5mm

MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill's STD

Sanitary Tubing

ASTM A270
JIS G3447

OD: 25.4~165.2mm
WT: 0.8~3.05mm

TP304, TP304L, TP316L, SUS304TBS

Large Gauge Pipes for Ordinary Piping

JIS G3448

OD: 15.88~318.5mm
WT: 0.8~3.0mm

SUS304TPD

Large Diameter Pipes

JIS G3468

OD: 14"~40"
WT: SCH5S~SCH40S

SUS304TPY


Production Line:



Welded pipe is produced by rolling stainless steel strip into a tube and then welding it along its entire length. After welding, the weld, or bead, can be finished by cold rolling and forging or left as it is.


Cold forming produces smoother surfaces and tighter tolerances. Welded tubing can even be drawn like seamless tubing to provide a better weld and surface finish. Welded tubing can also be produced with thinner walls on larger diameters than seamless tubing. Because welded tubing requires less machining, it is typically faster to produce and less expensive than seamless tubing.


The disadvantage of welded tubing is in high pressure and heavy wall applications. The long weld creates a stress concentration point that reduces pressure ratings to 80% of comparable seamless tubing. In addition, the stainless material used to make welded tubing must be thin enough to roll effectively. Therefore, heavy wall tubing is less feasible than welded tubing.


Bestarpipe offers a comprehensive range of Stainless Steel Welded Pipes.


Get a free quote and special discount now: sales@bestarpipe.com

nal Diameter NPS

Outside Diameter (mm)

Nominal Wall Thickness (mm)

ASME B36.19M

ASME B36.10M

SCH 5S

SCH 10S

SCH 40S

SCH 80S

SCH 5

SCH 10

SCH 20

STD

XS

 1/4

13.72

1.65

2.24

3.02


1.65

2.24

3.02

 3/8

17.15

1.65

2.31

3.2


1.65

2.31

3.2

 1/2

21.34

1.65

2.11

2.77

3.73

1.65

2.11

2.77

3.73

 3/4

26.67

1.65

2.11

2.87

3.91

1.65

2.11

2.87

3.91

1

33.4

1.65

2.77

3.38

4.55

1.65

2.77

3.38

4.55

1 1/4

42.16

1.65

2.77

3.56

4.85

1.65

2.77

3.56

4.85

1 1/2

48.26

1.65

2.77

3.68

5.08

1.65

2.77

3.68

5.08

2

60.33

1.65

2.77

3.91

5.54

1.65

2.77

3.91

5.54

2 1/2

73.03

2.11

3.05

5.16

7.01

2.11

3.05

5.16

7.01

3

88.9

2.11

3.05

5.49

7.62

2.11

3.05

5.49

7.62

3 1/2

101.6

2.11

3.05

5.74

8.08

2.11

3.05

5.74

8.08

4

114.3

2.11

3.05

6.02

8.56

2.11

3.05

6.02

8.56

5

141.3

2.77

3.4

6.55

9.53

2.77

3.4

6.55

9.53

6

168.28

2.77

3.4

7.11

10.97

2.77

3.4

7.11

10.97

8

219.08

2.77

3.76

8.18

12.7

2.77

3.76

6.35

8.18

12.7

10

273.05

3.4

4.19

9.27

12.7

3.4

4.19

6.35

9.27

12.7

12

323.85

3.96

4.57

9.53

12.7

3.96

4.57

6.35

9.53

12.7

14

355.6

3.96

4.78

9.53

12.7

3.96

6.35

7.92

9.53

12.7

16

406.4

4.19

4.78

9.53

12.7

4.19

6.35

7.92

9.53

12.7

18

457.2

4.19

4.78

9.53

12.7

4.19

6.35

7.92

9.53

12.7

20

508

4.78

5.54

9.53

12.7

4.78

6.35

9.53

9.53

12.7

22

558.8

4.78

5.54



4.78

6.35

9.53

9.53

12.7

24

609.6

5.54

6.35

9.53

12.7

5.54

6.35

9.53

9.53

12.7

26

660.4

7.92

12.7

9.53

12.7

28

711.2

7.92

12.7

9.53

12.7

30

762

6.35

7.92

6.35

7.92

12.7

9.53

12.7

32
|
84

812.8
|
2133.60

Thinkness: 8.63-30mm

ASTM A312

Standard Specification for Seamless and Welded Austenitic Stainless Steel Pipes

ASTM A1016/A1016M

Standard Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes

A268

Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

A269

Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

A250

Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes

A270

Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing

A358

Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service

A409

Standard Specification for Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

A632

Specification for Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service

A688

Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes

A789

Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

A814

Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe

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