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Stainless Steel 316 ERW Pipe Manufacturer and Supplier in India

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Stainless Steel 316 ERW Pipe

Stainless Steel 316 ERW Pipes or SS 316 ERW pipes are the type of pipes that are made by welding stainless steel grade 316 strip where the 304 grade strip lacks resistance to chloride and acid environment. Chromium content in the alloy is 16-18 percent while nickel content is 10-14 percent. In chloride rich and marine environments, the addition of molybdenum provides grade 316 a much greater resistance to pitting and crevice corrosion than 304 stainless steel. ASTM A312 / ASME SA312 is a specification that includes welded and seamless TP316 and TP316L pipe. As there is no mention of ERW in ASTM A312, we provide this pipe in the welded condition as ASTM A312 TP316 or ASTM A312 TP316L. Sizes are according to ASME B36.19M NPS and SCHEDULE. Sachin Steel Centre is one of the trusted Stainless Steel 316 ERW Pipes Manufacturers and Suppliers in India for providing complete material traceability to the Industrial Buyers in India and global customers.

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Table Of Content

Technical Data

Specifications of Stainless Steel 316 ERW Pipe

Parameter

Product & Standard Detail

Material Grades

TP316 (UNS S31600 / 1.4401), TP316L (UNS S31603 / 1.4404); TP316Ti (1.4571) on request

Pipe Standard

ASTM A312 / ASME SA312 (TP316, TP316L, welded)

Tube Standards

ASTM A249 (Boiler/Heat Exchanger), ASTM A269 (General Tubing), ASTM A270 (Sanitary Tubing)

Structural / Ornamental Standard

ASTM A554 Welded Mechanical Tubing

Dimensional Standard

ASME B36.19M (5S, 10S, 40S, 80S)

Manufacturing Process

Longitudinally Electric Resistance Welded (ERW) from strip without filler metal, solution annealed

Size Range

NPS 1/2 to 12 (DN 15 to DN 300) as charted below; larger sizes available on request

Schedule / Wall Thickness

Sch 5S, Sch 10S, Sch 40S, Sch 80S

Delivery Lengths

Single Random 5 to 7 m, Double Random 10 to 12 m, Cut Lengths

End Finish

Plain End (PE), Bevelled End (BE), Threaded (NPT/BSPT)

Surface Finish

Annealed & Pickled (AP), Bright Annealed (BA), Polished (180/240/320 grit), Electropolished (EP)

Quality Testing

Tension, Flattening, Hydrostatic or Non-Destructive Electrical (Eddy Current / UT), Hardness, Intergranular Corrosion Test (ASTM A262 Practice E on request)

Certifications

Material Test Certificate (MTC) to EN 10204 3.1; Third-party inspection available on request

Pipe Marking

Specification, Grade, Size, Schedule, Process (ERW), Heat Number, Manufacturer Logo

Chemical Composition of Stainless Steel 316 ERW Pipe

Chemical Element

Limit for Grade 316 (TP316 wt%)

Limit for Grade 316L (TP316L wt%)

Carbon (C)

0.08% max

0.035% max

Chromium (Cr)

16.0 to 18.0%

16.0 to 18.0%

Nickel (Ni)

10.0 to 14.0%

10.0 to 15.0%

Molybdenum (Mo)

2.00 to 3.00%

2.00 to 3.00%

Manganese (Mn)

2.00% max

2.00% max

Silicon (Si)

1.00% max

1.00% max

Phosphorus (P)

0.045% max

0.045% max

Sulphur (S)

0.030% max

0.030% max

Iron (Fe)

Balance

Balance

Mechanical & Physical Properties of SS 316 ERW Pipes

Property / Parameter

Grade 316 (TP316)

Grade 316L (TP316L)

Ultimate Tensile Strength (min)

515 MPa (75 ksi)

485 MPa (70 ksi)

0.2% Yield Strength (min)

205 MPa (30 ksi)

170 MPa (25 ksi)

Elongation in 2 in. (min)

35%

35%

Hardness (max)

90 HRB / 192 HBW

90 HRB / 192 HBW

Density

8.0 g/cm³ (0.289 lb/in³)

8.0 g/cm³ (0.289 lb/in³)

Melting Range

1375 to 1400 °C

1375 to 1400 °C

Modulus of Elasticity (E)

193 GPa

193 GPa

Thermal Conductivity (at 100 °C)

16.3 W/m·K

16.3 W/m·K

Mean Thermal Expansion (0 to 100 °C)

15.9 µm/m°C

15.9 µm/m°C

Electrical Resistivity

740 nΩ·m (74 µΩ·cm)

740 nΩ·m (74 µΩ·cm)

Equivalent Grades of Stainless Steel 316 ERW Pipe

Grade

UNS

Werkstoff Nr.

EN Designation

JIS Designation

Old BS

TP316

S31600

1.4401

X5CrNiMo17-12-2

SUS 316

316S31

TP316L

S31603

1.4404

X2CrNiMo17-12-2

SUS 316L

316S11

TP316Ti

S31635

1.4571

X6CrNiMoTi17-12-2

SUS 316Ti

320S31

Dimensions Chart of Stainless Steel 316 ERW Pipe

Nominal Pipe Size (NPS)

Outside Diameter (OD)

Schedule 5S Wall

Schedule 10S Wall

Schedule 40S Wall

Schedule 80S Wall

Weight Sch 5S

Weight Sch 10S

Weight Sch 40S

Weight Sch 80S

½"

21.3 mm

1.65 mm

2.11 mm

2.77 mm

3.73 mm

0.82 kg/m

1.02 kg/m

1.29 kg/m

1.65 kg/m

¾"

26.7 mm

1.65 mm

2.11 mm

2.87 mm

3.91 mm

1.04 kg/m

1.30 kg/m

1.72 kg/m

2.24 kg/m

1"

33.4 mm

1.65 mm

2.77 mm

3.38 mm

4.55 mm

1.32 kg/m

2.13 kg/m

2.55 kg/m

3.30 kg/m

1¼"

42.2 mm

1.65 mm

2.77 mm

3.56 mm

4.85 mm

1.68 kg/m

2.74 kg/m

3.45 kg/m

4.55 kg/m

1½"

48.3 mm

1.65 mm

2.77 mm

3.68 mm

5.08 mm

1.93 kg/m

3.17 kg/m

4.12 kg/m

5.51 kg/m

2"

60.3 mm

1.65 mm

2.77 mm

3.91 mm

5.54 mm

2.43 kg/m

4.01 kg/m

5.54 kg/m

7.62 kg/m

2½"

73.0 mm

2.11 mm

3.05 mm

5.16 mm

7.01 mm

3.75 kg/m

5.36 kg/m

8.80 kg/m

11.62 kg/m

3"

88.9 mm

2.11 mm

3.05 mm

5.49 mm

7.62 mm

4.60 kg/m

6.58 kg/m

11.51 kg/m

15.55 kg/m

4"

114.3 mm

2.11 mm

3.05 mm

6.02 mm

8.56 mm

5.95 kg/m

8.53 kg/m

16.38 kg/m

22.72 kg/m

5"

141.3 mm

2.77 mm

3.40 mm

6.55 mm

9.53 mm

9.64 kg/m

11.78 kg/m

22.18 kg/m

31.47 kg/m

6"

168.3 mm

2.77 mm

3.40 mm

7.11 mm

10.97 mm

11.52 kg/m

14.09 kg/m

28.80 kg/m

43.30 kg/m

8"

219.1 mm

2.77 mm

3.76 mm

8.18 mm

12.70 mm

15.06 kg/m

20.35 kg/m

43.36 kg/m

65.73 kg/m

10"

273.1 mm

3.40 mm

4.19 mm

9.27 mm

12.70 mm

23.04 kg/m

28.31 kg/m

61.46 kg/m

82.93 kg/m

12"

323.9 mm

3.96 mm

4.57 mm

9.53 mm

12.70 mm

31.84 kg/m

36.67 kg/m

75.28 kg/m

99.14 kg/m

SS 316 ERW Stainless Steel Pipe Size and Weight Chart

Nominal Pipe Size (NPS)

Outside Diameter (OD)

Schedule 5S Wall Thickness

Schedule 10S Wall Thickness

Schedule 40S Wall Thickness

Schedule 80S Wall Thickness

Linear Weight Sch 5S

Linear Weight Sch 10S

Linear Weight Sch 40S

Linear Weight Sch 80S

½"

21.3 mm

1.65 mm

2.11 mm

2.77 mm

3.73 mm

0.82 kg/m

1.02 kg/m

1.29 kg/m

1.65 kg/m

¾"

26.7 mm

1.65 mm

2.11 mm

2.87 mm

3.91 mm

1.04 kg/m

1.30 kg/m

1.72 kg/m

2.24 kg/m

1"

33.4 mm

1.65 mm

2.77 mm

3.38 mm

4.55 mm

1.32 kg/m

2.13 kg/m

2.55 kg/m

3.30 kg/m

1¼"

42.2 mm

1.65 mm

2.77 mm

3.56 mm

4.85 mm

1.68 kg/m

2.74 kg/m

3.45 kg/m

4.55 kg/m

1½"

48.3 mm

1.65 mm

2.77 mm

3.68 mm

5.08 mm

1.93 kg/m

3.17 kg/m

4.12 kg/m

5.51 kg/m

2"

60.3 mm

1.65 mm

2.77 mm

3.91 mm

5.54 mm

2.43 kg/m

4.01 kg/m

5.54 kg/m

7.62 kg/m

2½"

73.0 mm

2.11 mm

3.05 mm

5.16 mm

7.01 mm

3.75 kg/m

5.36 kg/m

8.80 kg/m

11.62 kg/m

3"

88.9 mm

2.11 mm

3.05 mm

5.49 mm

7.62 mm

4.60 kg/m

6.58 kg/m

11.51 kg/m

15.55 kg/m

4"

114.3 mm

2.11 mm

3.05 mm

6.02 mm

8.56 mm

5.95 kg/m

8.53 kg/m

16.38 kg/m

22.72 kg/m

6"

168.3 mm

2.77 mm

3.40 mm

7.11 mm

10.97 mm

11.52 kg/m

14.09 kg/m

28.80 kg/m

43.30 kg/m

8"

219.1 mm

2.77 mm

3.76 mm

8.18 mm

12.70 mm

15.06 kg/m

20.35 kg/m

43.36 kg/m

65.73 kg/m

10"

273.1 mm

3.40 mm

4.19 mm

9.27 mm

12.70 mm

23.04 kg/m

28.31 kg/m

61.46 kg/m

82.93 kg/m

12"

323.9 mm

3.96 mm

4.57 mm

9.53 mm

12.70 mm

31.84 kg/m

36.67 kg/m

75.28 kg/m

99.14 kg/m

Applications and Industrial Uses of Stainless Steel 316 ERW Pipe

  • Chemical Processing Plants
  • Marine and Shipbuilding Industry
  • Pharmaceutical Manufacturing
  • Food and Beverage Processing
  • Oil and Gas Industry
  • Water Treatment and Desalination Plants
  • Pulp and Paper Industry
  • Power Generation Plants
Application Industries

Frequently Asked Questions

Stainless Steel 316 ERW Pipe is a welded austenitic stainless steel pipe containing chromium, nickel and molybdenum for improved corrosion resistance.

SS 316 ERW Pipe is used in chemical processing, marine equipment, pharmaceutical plants, food processing and water treatment systems.

SS 316 ERW pipes are made by welding formed stainless steel strips, while seamless pipes are manufactured without a welded seam.

ASTM A312 covers welded and seamless austenitic stainless steel pipes, including TP316 and TP316L grades.

Yes, SS 316 ERW Pipe offers good corrosion resistance, especially against many chemicals and chloride environments, due to its molybdenum content. However, it is not immune to corrosion in all conditions.

SS 316L has a lower carbon content than SS 316, which helps reduce the risk of sensitization and intergranular corrosion after welding.

No. A312 covers seamless and straight seam welded pipe and does not name the welding process. We supply SS 316 ERW pipe as ASTM A312 TP316 or TP316L, welded. ASTM A358 covers fusion welded pipe made with filler metal.

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