Stainless Steel Welded Round and Square Pipes

Stainless Steel Welded Pipe, crafted from stainless steel through a welding procedure, boasts various types like austenitic, ferritic, martensitic, and duplex, each possessing distinct crystalline structures and mechanical traits. Diverse procedures can be employed for their production.

Hexa Metal trading  Co. stands out as a premier supplier and manufacturer of these welded pipes, offering a comprehensive range encompassing all variants. Notably, the Stainless Steel ERW Pipe is fashioned through electric resistance weld, wherein electricity is applied to the stainless steel strip or plate, melting them at the junctions and subsequently fusing them to shape the pipe. This method ensures robust construction and reliable performance.

As one of the foremost Stainless Steel Welded Pipe Manufacturers in India,  Hexa Metal trading  Co. prioritizes consumer satisfaction through the implementation of rigorous Quality Management Systems and continual enhancements in products, processes, and systems, ensuring top-notch quality and reliability in every offering.

Grades: 304L,316L,310,321,904L,410,420,441,202

Application of  Welded Stainless Steel Pipe

  • Sugar Mills, Dairies, Breweries, Food Processing
  • Pharmaceuticals, Chemicals, Petrol Chemicals,
  • Power Plants
  • Paper & Pulp Manufacturing
  • Textile Industries
  • Automobile Exhaust Pipes
  • General Engineering Industries
  • Hospital and Kitchen Equipment
  • Furniture and Interior Decoration
  • Construction
  • Water Pipeline

Specification Format of Stainless Steel Welded Pipe

DimensionsASTM, ASME and API
SpecificationsASTM A312, ASTM A249, ASTM A213, ASTM A268, ASTM A269, ASTM A270, ASTM A778
ScheduleSCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
TypeERW / Welded / Fabricated / LSAW Pipes
Grades304, 304L, 304H, 321H, 321, 316, 316L, 316Ti, 310S, 347, 347H, UNS31803 Duplex
FormRound, Square, Rectangular, Hydraulic Etc
Size1/8” NB to 36” NB, 1/4” OD to 36” OD sizes stainless steel welded tubes also available
LengthSingle Random, Double Random & Cut Length.
Thickness1mm to 20mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10
EndPlain End, Beveled End, Treaded
FinishNo.1 Pickled Finish, No.4 finish, BA Finish, Electropolished Welded Pipes
Delivery ConditionHot Finish, Cold Finish, Bright Annealed, Polished, Annealed and Pickled, Passivated, Stress Relived, As Welded, Welded & Externally Polished, Welded Annealed & Pickled, Welded Cold Drawn Annealed & Pickled, Welded Cold Drawn Annealed Pickled & Externally Polished
Test ReportsPMI Test Reports, EN 10204 3.1 Certificate, NABL Approved Lab Report on Chemical and Mechanical Properties, NDT or Other Test Reports, 100% X-Ray Welding Reports

Stainless Steel Seamless Pipes Dimension – (S.S. Seamless Pipe)

Nominal Bore

Outside Diameter

Sch-5S

Sch-10S

Sch-40S

Sch-80S

Sch-160S

Sch-XXS

mm

INCH

mm

Wt

Weight

Wt

Weight

Wt

Weight

Wt

Weight

Wt

Weight

Wt

Weight

 

 

 

mm

(Kg/mt)

mm

(Kg/mt)

mm

(Kg/mt)

mm

(Kg/mt)

mm

(Kg/mt)

mm

(Kg/mt)

3

1/8

10.3

1.24

0.276

1.24

0.28

1.73

0.37

2.41

0.47

6

1/4

13.7

1.24

0.390

1.65

0.49

2.24

0.631

3.02

0.80

10

3/8

17.1

1.24

0.490

1.65

0.63

2.31

0.845

3.20

1.10

15

1/2

21.3

1.65

0.800

2.11

1.00

2.77

1.27

3.75

1.62

4.75

1.94

7.47

2.55

20

3/4

26.7

1.65

1.03

2.11

1.28

2.87

1.68

3.91

2.20

5.54

2.89

7.82

3.63

25

1

33.4

1.65

1.30

2.77

2.09

3.38

2.50

4.55

3.24

6.35

4.24

9.09

5.45

32

1 1/4

42.2

1.65

1.65

2.77

2.70

3.56

3.38

4.85

4.47

6.35

5.61

9.70

7.77

40

1 1/2

48.3

1.65

1.91

2.77

3.11

3.68

4.05

5.08

5.41

7.14

7.25

10.16

9.54

50

2

60.3

1.65

2.40

2.77

3.93

3.91

5.44

5.54

7.48

8.74

11.1

11.07

13.44

65

2 1/2

73.0

2.11

3.69

3.05

5.26

5.16

8.63

7.01

11.4

9.53

14.9

14.2

20.39

80

3

88.9

2.11

4.51

3.05

6.45

5.49

11.30

7.62

15.2

11.1

21.3

15.24

27.65

100

4

114.3

2.11

5.84

3.05

8.36

6.02

16.07

8.56

22.3

13.49

33.54

17.12

41.03

125

5

141.3

2.77

9.47

3.40

11.57

6.55

21.8

9.53

31.97

15.88

49.11

19.05

57.43

150

6

168.3

2.77

11.32

3.40

13.84

7.11

28.3

10.97

42.7

18.2

67.56

21.95

79.22

200

8

219.1

2.77

14.79

3.76

19.96

8.18

42.6

12.7

64.6

23.0

111.2

22.23

107.8

250

10

273.1

3.40

22.63

4.19

27.78

9.27

60.5

12.7

96.0

28.6

172.4

25.40

155.15

300

12

323.9

3.96

31.25

4.57

36.00

9.52

73.88

12.7

132.0

33.32

238.76

25.40

186.97

350

14

355.6

3.96

34.36

4.78

41.3

11.13

94.59

19.05

158.08

35.71

281.70

400

16

406.4

4.19

41.56

4.78

47.29

12.7

123.30

21.41

203.33

40.46

365.11

450

18

457.2

4.19

46.80

4.78

53.42

14.27

155.80

23.8

254.36

45.71

466.40

500

20

508.0

4.78

59.25

5.54

68.71

15.09

183.42

26.19

311.2

49.99

564.68

600

24

609.6

5.54

82.47

6.35

94.45

17.48

255.41

30.96

442.08

59.54

808.22

 

ASTM SPECIFICATION & TOLERANCE FOR TUBING & PIPING

Diameter & Wall Thickness of SS Welded Pipe
Product DescriptionOutside Diamter, OD (in mm)Wall Thickness, WT (in mm)
Stainless Steel Round Pipe6mm – 630mm0.5mm-30mm
Stainless Steel Square Pipe12.7mm* 12.7mm to 300mm* 300mm0.5mm-30mm
Stainless Steel Rectangular Pipe/td>10*20mm to 100*200mm0.5mm-30mm
Stainless Steel Colour Coated Pipe6mm to 630mm0.5mm-30mm
Stainless Steel Ornamental Pipe12.7mm to 76.2mm0.5mm-2.0mm
Stainless Steel Electropolished Pipes12.7mm to 250mm0.5mm-30mm
Stainless Steel Slot Round Pipe12.7mm to 76.2mm0.5mm-2.0mm
Stainless Steel Pipe16mm to 85mm0.5mm-3.0mm
Stainless Steel Hexagonal Pipe13mm to 85mm0.5mm-2.0mm
SS Polished Pipes12.7mm to 100mm0.5mm-2.0mm
Stainless Steel Pipe20mm to 200mm0.5mm-2.0mm
Thin-Wall Stainless Steel Pipe22mm*0.7mm to 108mm*2.0mm0.5mm-2.0mm
Inner/Outside Polished Stainless Steel Pipe12.5mm to 203.2mm1.0mm – 5mm
Stainless Steel Pipe0.28mm to 10mm0.08mm – 1.2mm
Stainless Steel Seamless Pipe6mm to 430mm0.8mm – 30mm
Welded Stainless Steel Pipe Tolerances
NPS DesignatorPermissible Variations in Outside Diameter
 Over In.Under In.
1/8 to 1-1/2, incl.1/64 (0.015)1/32 (0.031)
Over 1-1/2 to 4, incl.1/32 (0.031)1/32 (0.031)
Over 4 to 8, incl.1/16 (0.062)1/32 (0.031)
Over 8 to 18, incl.3/23 (0.093)1/32 (0.031)
Nominal Wall Thickness of SS Welded Pipe
NPS DesignatorOutside Diameter in.Schedule 5S in.Schedule 10S in.Schedule 40S in.Schedule 80S in.
1/40.54 0.0650.0880.119
3/80.675 0.0650.0910.126
1/20.840.0650.0830.1090.147
3/41.050.0650.0830.1130.154
11.3150.0650.1090.1330.179
1 1/41.660.0650.1090.140.191
1 1/21.90.0650.1090.1450.2
22.3750.0650.1090.1540.218
2 1/22.8750.0830.120.2030.276
33.50.0830.120.2160.3
3 1/240.0830.120.2260.318
44.50.0830.120.2370.337
55.5630.1090.1340.2580.375
66.6250.1090.1340.280.432
88.6250.1090.1480.3220.5
1010.750.1340.1650.3650.5
1212.750.1560.180.3750.5

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As one of the Leading Steel Companies, Hexa Metal Trading  Co. has always been determined to provide the best Quality and Service to their customers. We are Importers, Exporter, Stockists, and Suppliers of ferrous and non-ferrous metals.

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