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Stainless Steel Electropolished Pipe

Stainless Steel Electropolished Pipe Manufacturer, Supplier & Exporter in India

Nishra Overseas is a leading manufacturer, supplier and exporter of Stainless Steel Electropolished Pipe in Mumbai, India, including SS 304 EP Tubing and 316L Stainless Steel Electropolished Pipe. Stainless steel is manufactured in various finishes to suit different end uses, and Electropolished Pipe is one of the most specified for critical applications — widely used in pharmaceutical, semiconductor, and biotechnology industries. Electropolishing is the process by which the surface roughness of EP Pipe is reduced, making Electropolished Stainless Steel Pipe smooth and dimensionally accurate. As a trusted SS 304 Electropolished Pipe manufacturer, we supply pipe specifically suited to applications prone to corrosion.

As a full-scale Electropolished Pipe manufacturer, supplier and exporter, our Stainless Steel 316L Electropolished Tube offers a clearer surface due to the high purity of the material. High Purity EP Tubing retains less surface contaminant, which is why Electropolished SS Pipe is the standard choice for sanitary service lines. A269 Polished Pipe is used under acidic conditions, while A249 Polished Steel Pipe is widely specified in superheaters, heat exchangers, and condensers. Pipes with a polished inner surface are known as inner-polished pipes, and are available in multiple finishes including BA (Bright Annealed) Finish.

No.4 Brushed Finish Stainless Steel Pipe is another finish option we supply, produced using mechanical polishing methods. The key advantages of SS Electropolished Tubing include a mirror-like finish, improved corrosion resistance, higher product purity, and better flow characteristics — along with the enhanced hygiene associated with A270 Polished Pipe. Welded Electro Polished Pipe supplied by us is ductile and reliable, manufactured from high-quality raw material to international standards.

Nishra Overseas — manufacturer, supplier and exporter of Inner-Polished Welded Electro Polished Pipe as per ASTM A270/A249/A269 and ASME/ANSI B46.1; competitive pricing on No.4 Brushed/BA Finish Electropolished Tubing in India

Table of Contents

  • Stainless Steel Electropolished Pipe/Tube Specification
  • Electropolished Stainless Steel Tubing Weight Chart
  • Dimension of SS 304 Electropolished Pipes
  • Pressure Rating of Welded Electro Polished Pipes
  • Why Nishra Overseas — Manufacturer, Supplier & Exporter

Stainless Steel Electropolished Pipe/Tube Specification 

Supplier and exporter of 1/2" to 6" Electropolished 316L ASME BPE SF4 tubing in India

Specification

Details

Product Name

Electropolished Pipe / Tube

Standards

ASTM A249, A269, A270

Type

As Welded, EFW, ERW, Seamless, Semi-Seamless, Bead Removed

Grades

304, 304L, 304H, 316, 316L, 316Ti, 321, 321H, 347, 347H, 310S, UNS31803 Duplex

Size

1/8" NB to 24" NB; 1/4" OD to 24" OD (welded tube also available)

Length

Up to 6 meters, custom cut lengths

Thickness

1mm to 20mm

Schedule

SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S per ANSI B36.19/B36.10

Surface Finish

15 µ-in Ra (0.4 µm) mirror finish, No.4 Brushed, BA Finish

Our Network

Mumbai, Chennai, Bangalore, Gujarat — India, Malaysia, Singapore, Saudi Arabia

Benefits of Electropolished Stainless Steel Pipe

  • Mirror-like surface finish
  • Improved corrosion resistance
  • Enhanced product purity — critical for pharma, biotech and semiconductor applications
  • Better flow characteristics for sanitary and process piping
  • Reduced surface contaminant retention
  • Enhanced hygiene for sanitary service lines

Electropolished Stainless Steel Tubing Weight Chart 

Manufacturer of Electropolished Stainless Steel Tubing in a mirror finish, supplied ex-stock from Mumbai, India

NB (inch)

OD (mm)

Schedule

WT (mm)

Weight (kg/m)

Weight (lbs/ft)

1/2"

21.3

40 STD

2.77

1.27

0.85

3/4"

26.7

40 STD

2.87

1.68

1.13

1"

33.4

40 STD

3.38

2.50

1.68

1 1/2"

48.3

40 STD

3.68

4.05

2.72

2"

60.3

40 STD

3.91

5.44

3.65

3"

88.9

40 STD

5.49

11.28

7.58

4"

114.3

STD

6.02

16.07

10.79

6"

168.3

40 STD

7.11

18.97

12.74

8"

219.1

40

8.18

28.55

19.18

10"

273.0

40 STD

9.27

40.48

27.19

12"

323.8

9.53

49.71

33.38

16"

406.4

STD

9.53

62.64

42.05

20"

508.0

STD

9.53

78.55

52.73

24"

610.0

STD

9.53

94.46

63.41

Full chart with intermediate sizes and schedules available on request 

Dimension of SS 304 Electropolished Pipes 

Nominal Size (in)

OD (in)

OD (mm)

WT (in)

WT (mm)

Weight (kg/m)

Weight (lbs/ft)

1/8

0.41

10.3

0.068

1.73

0.37

0.24

1/4

0.54

13.7

0.088

2.24

0.63

0.42

3/8

0.68

17.1

0.091

2.31

0.84

0.57

1/2

0.84

21.3

0.109

2.77

1.27

0.85

3/4

1.05

26.7

0.113

2.87

1.69

1.13

1

1.32

33.4

0.133

3.38

2.5

1.68

1 1/2

1.90

48.3

0.145

3.68

4.05

2.72

2

2.375

60.3

0.154

3.91

5.44

3.65

3

3.500

88.9

0.216

5.49

11.29

7.58

4

4.500

114.3

0.237

6.02

16.07

10.79

6

6.625

168.3

0.28

7.11

28.26

18.97

8

8.625

219.1

0.322

8.18

42.55

28.55

10

10.75

273.0

0.365

9.27

60.31

40.48

12

12.75

323.8

0.406

10.31

79.73

53.52

16

16.00

406.4

0.500

12.70

123.30

82.77

20

20.00

508.0

0.594

15.09

183.42

123.11

24

24.00

610.0

0.688

17.48

255.41

171.29

Pressure Rating of Welded Electro Polished Pipes 

Specialist supplier of Stainless Steel 316L Electropolished Tube and ASTM A249 Polished Steel Pipe in India

Allowable stress (psi) by temperature:

Pipe Size

Sch.

OD (in)

WT (in)

100°F

300°F

500°F

600°F

700°F

750°F

1"

40

1.315

0.133

2205

2205

1902

1783

1703

1664

1"

80

1.315

0.179

3061

3061

2640

2475

2365

2310

1 1/2"

40

1.900

0.145

1629

1629

1404

1317

1258

1229

2"

40

2.375

0.154

1371

1371

1182

1108

1059

1034

2"

80

2.375

0.218

1985

1985

1712

1605

1534

1498

3"

40

3.500

0.216

1301

1301

1122

1052

1005

982

4"

40

4.500

0.237

1102

1102

950

891

851

831

5"

40

5.563

0.258

965

965

832

780

746

728

6"

40

6.625

0.280

877

877

756

709

677

661

8"

40

8.625

0.322

771

771

665

623

596

582

10"

40

10.750

0.365

699

699

603

565

540

528

Full pressure rating chart (all schedules, 1"–10") available on request 

Applications of Electropolished Stainless Steel Pipe

  • Pharmaceutical process piping
  • Semiconductor manufacturing
  • Biotechnology and life sciences equipment
  • Sanitary and hygienic service lines
  • Superheaters, heat exchangers and condensers
  • High-purity fluid transport systems

Why Nishra Overseas — Electropolished Pipe Manufacturer, Supplier & Exporter in India 

Nishra Overseas LLP is a Mumbai-based manufacturer, supplier, stockist and exporter of Stainless Steel Electropolished Pipe and Tube, backed by ISO 9001:2015 certification.

  • As a Manufacturer — electropolishing to a 15 µ-in Ra (0.4 µm) mirror finish, plus No.4 Brushed and BA finish options, produced to ASTM A249/A269/A270 specification
  • As a Supplier — ready stock of 304, 316L and other grades from 1/8" NB to 24" NB, held in Mumbai for fast dispatch without mill lead times
  • As an Exporter — shipments of electropolished pipe and tube to clients worldwide, with full mill test certificates (EN 10204 3.1/3.2) and third-party inspection (SGS/BV/TUV)