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Products / Stainless Steel

Stainless Steel
Pipes (ERW NB)

Manufactured with precision, our ERW NB stainless steel pipes provide excellent corrosion resistance and mechanical strength, making them ideal for high-pressure industrial and commercial applications.

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Stainless Steel ERW NB Pipes
Premium Grade

Precision Engineered & Reliable

Ravi Seamless ERW NB Stainless Steel Pipes are crafted from high-quality steel sourced from trusted suppliers. Advanced Electric Resistance Welding (ERW) ensures uniform wall thickness, smooth surface finish, and high dimensional accuracy, making them suitable for critical industrial pipelines and fluid transport systems.

Uniform Wall Thickness
Excellent Corrosion Resistance
High Temperature Tolerance
Precision Dimensional Control
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Technical Specifications

Product Standard ASTM A312, A213 | ASME SA312, SA213
Grades 200 Series (JT, J4) 300 Series (304, 304L, 316L)
Size Range 1/2" to 18" (15 mm to 450 mm)
Thickness Range 0.5mm to 12.70mm (Sch 5S to Sch XXS)
Length Single Random, Double Random & Cut Length (Up to 24 Meters)
Finish Pickled, Polished, Solution Annealed (Mirror/Matte Options)
Technical Data

Weight Chart

Calculated Weight - Stainless Steel Pipes

Nominal Nominal Pipe Size (mm) Outside Diameter (mm) Wall Thickness and Weight
Sch. 5S Sch. 10S Sch. 40S Sch. 80S
mm kg/m mm kg/m mm kg/m mm kg/m
1/2" 15 21.34 1.65 0.812 2.11 1.014 2.77 1.286 3.73 1.642
3/4" 20 26.67 1.65 1.032 2.11 1.296 2.87 1.708 3.91 2.225
1" 25 33.4 1.65 1.31 2.77 2.121 3.38 2.537 4.55 3.282
1.1/4" 32 42.16 1.65 1.671 2.77 2.728 3.56 3.435 4.85 4.524
1.1/2" 40 48.26 1.65 1.923 2.77 3.15 3.68 4.101 5.08 5.084
2" 50 60.33 1.65 2.421 2.77 3.986 3.91 5.358 5.54 7.588
2.1/2" 65 73.03 2.11 3.741 3.05 5.336 5.16 8.755 7.01 11.57
3" 80 88.9 2.11 4.578 3.05 6.546 5.49 11.488 7.62 15.484
3.1/2" 90 101.6 2.11 5.248 3.05 7.514 5.74 13.756 8.08 18.891
4" 100 114.3 2.11 5.918 3.05 8.483 6.02 16.296 8.56 22.628
5" 125 141.3 2.77 7.593 3.4 11.722 6.55 22.065 9.52 31.364
6" 150 168.28 2.77 11.462 3.4 14.015 7.11 28.648 10.97 43.142
8" 200 219.08 2.77 14.979 3.76 20.242 8.18 43.129 12.7 65.526
10" 250 273.05 3.4 22.92 4.19 28.163 9.27 61.131 12.7 82.666
12" 300 323.85 3.96 31.669 4.57 36.478 9.52 78.811 12.7 98.791
14" 350 355.85 3.96 34.812 4.78 41.923 9.53 82.451 12.7 108.871
16" 400 406.4 4.19 42.131 4.78 47.994 9.53 94.554 12.7 121.2
18" 450 457.2 4.19 47.453 4.78 54.068 9.53 106.477 12.7 141.12

* Calculated weights are for reference only. Actual weights may vary based on manufacturing tolerances.

Why Choose Us

Engineered Advantage

Corrosion Resistant

ERW NB Pipes are crafted from premium stainless steel, offering superior resistance to rust and chemical corrosion, ensuring durability in industrial pipelines.

High Temperature Tolerance

Maintains mechanical strength and stability under high-temperature conditions, suitable for boilers, heat exchangers, and other industrial applications.

Precision & Strength

Electric Resistance Welded construction ensures uniform thickness and dimensional accuracy, delivering reliable performance for high-pressure pipelines.

Industries

Where Our Stainless Steel Products Serve

Oil & Gas

Oil & Gas

Pipes and tubes for pipelines, refineries, and offshore installations where corrosion resistance and strength are critical.

Chemical & Pharma

Chemical & Pharma

High-quality stainless steel for reactors, pipelines, and sanitary applications in chemical and pharmaceutical industries.

Power & Energy

Power & Energy

Boilers, turbines, heat exchangers, and high-temperature pipelines benefit from durable stainless steel solutions.

Construction & Marine

Construction & Marine

Structural pipes, tubes, and fittings for infrastructure, shipbuilding, and marine applications, ensuring longevity and corrosion resistance.