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Industrial Piping & Steel Products

Explore Seamless Steel Industries' range of carbon steel, alloy steel and stainless steel pipes, tubes, buttweld fittings and forged flanges supplied to recognized ASTM, ASME, API and IS specifications.

Seamless Steel Pipes
MS and carbon steel seamless pipe

Seamless Pipe

Material: Mild Steel (MS), Carbon Steel (CS), Low Carbon Steel, Non-Alloy Steel
Standard: ASTM A106, ASTM A53, API 5L, IS 1239, IS 1161, IS 1978, IS 1979, EN 10216, ASME SA106, ASME SA53
Grade: ASTM A106 Gr A, ASTM A106 Gr B, ASTM A106 Gr C, ASTM A53 Gr A, ASTM A53 Gr B, API 5L Gr B, API 5L X42, API 5L X52, API 5L X60, API 5L X65, API 5L X70, IS 1239, IS 1161, ST35, ST52, E235, E355
Size Range: 1/2" NB to 24" NB and larger sizes subject to specification and availability

MS & Carbon Steel Seamless Pipe Featured Specification 200NB Seamless Pipe — SCH 40 ₹3,966/- per meter Indicative…

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Alloy Steel Pipes & Tubes
ASTM A210 Grade A1 and ASTM A213 seamless boiler tubes

ASTM A210 Gr A1 / ASTM A213 Seamless Boiler Tubes

Material: Medium-Carbon Steel & Alloy Boiler Steel
Standard: ASTM A210 / ASTM A213 / IBR 1950 Chapter III
Grade: ASTM A210 Grade A1 / ASTM A213 T11, T22 / BS 3059 Part II
Size Range: 19.05 mm to 101.6 mm OD (3/4" to 4" OD)

Boiler and superheater tubes operate under severe thermal transfer and internal hydrostatic pressures requiring certified dimensional tolerances and…

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Forged Fittings
ASME B16.11 Class 3000 and 6000 forged steel fittings

ASME B16.11 Class 3000 / 6000 Forged Steel Fittings

Material: Forged Carbon Steel / Stainless Steel / Alloy Steel
Standard: ASME B16.11 / MSS SP-79 / MSS SP-83
Grade: ASTM A105 / A182 F304L / F316L / F11 / F22
Size Range: 1/8" NB to 4" NB (6mm to 100mm NB)

ASME B16.11 governs forged steel pipe fittings in socket weld (SW) and threaded (NPT / BSPT) configurations for…

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Plates & Sheets
ASTM A516 Grade 60 and Grade 70 boiler quality steel plates

ASTM A516 Grade 60 / 70 Boiler Quality Steel Plates

Material: Boiler Quality Carbon-Manganese Steel
Standard: ASTM A516 / ASME SA516 / IS 2002
Grade: Grade 70 / Grade 60 (Dual Certified)
Size Range: Thickness: 6 mm to 150 mm; Widths: 1500 mm to 3000 mm

ASTM A516 (ASME SA516) covers carbon steel plates intended primarily for service in welded pressure vessels and boilers…

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MS / Carbon Steel Pipes
IS 3589 Fe 410 and Fe 450 welded steel pipe

IS 3589 Fe 410 / Fe 450 Welded Steel Pipe

Material: Carbon Steel (Welded)
Standard: IS 3589:2001 / IS 1239 Part 2
Grade: Fe 410 / Fe 450 (Fe 330 available)
Size Range: 200 mm NB to 2000 mm NB (8" to 80" OD)

IS 3589:2001 specifies heavy-duty Electric Resistance Welded (ERW) and Submerged Arc Welded (SAW) carbon steel pipes for water,…

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Alloy Steel Pipes & Tubes
ASTM A335 P11 P22 and P91 alloy steel seamless pipe

ASTM A335 P11 / P22 / P91 Alloy Steel Seamless Pipe

Material: Chromium-Molybdenum Alloy Steel
Standard: ASTM A335 / ASME SA335 / IBR 1950
Grade: P11 / P22 / P91 (P5, P9 available)
Size Range: 1/2" NB to 24" NB (15mm to 600mm NB)

ASTM A335 (ASME SA335) seamless ferritic alloy steel pipe is engineered for high-temperature and high-pressure steam service in…

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Flanges
ASTM A105 forged carbon steel flanges

ASTM A105 Forged Flanges

Material: Carbon Steel
Standard: ASTM A105 / ASME B16.5
Grade: A105
Size Range: 1/2" NB to 24" NB

Carbon steel forged flanges for piping systems, conforming to ASTM A105.

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Buttweld Fittings
ASTM A234 carbon and alloy steel buttweld fittings

ASTM A234 Buttweld Fittings

Material: Carbon Steel
Standard: ASTM A234 / ASME B16.9
Grade: WPB (WPC available on request)
Size Range: 1/2" NB to 48" NB

Elbows, tees, reducers and caps for butt-weld piping systems, conforming to ASTM A234.

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Stainless Steel Pipes & Tubes
SA316 316L and SA304 304L stainless steel seamless pipe

SA312 Stainless Steel Seamless Pipe

Material: Stainless Steel (304/304L/316/316L and others)
Standard: ASTM A312

Stainless steel seamless pipe for corrosive and high-purity service, conforming to ASTM A312.

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ERW / Welded Pipes

IS 1239 MS ERW Pipe

Material: Mild Steel

Mild steel ERW pipe for water, plumbing, structural and general engineering use, conforming to IS 1239.

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Procurement Scope by Product Category

Explore core stocked piping categories and project-indent procurement capabilities supplied to ASTM, ASME, API and IS standards.

Alloy Steel Pipes Tubes ASTM A335 / A213
Supplied on Requirement

Alloy Steel Pipes & Tubes

Alloy steel pipes and tubes in P11, P22, P91, P5, P9 and other standard…

Scope: Gr P11 • P22 • P91 • T11 • T22
Sizes: 1/2" to 24" NB (Heavy Wall Sch 80–XXS)
Buttweld Fittings Elbows Tees Reducers Standard Spec
In-Stock & Project Supply

Buttweld Fittings

Buttweld fittings including elbows, tees, reducers and caps, manufactured to ASME/ANSI dimensional standards

IS 3589 / IS 1239 ERW steel pipes stenciled on transport trailer for delivery IS 1239 / IS 3589
Stock & Commercial Lengths

ERW / Welded Pipes

ERW and welded carbon steel pipes, available in multiple diameters and wall thicknesses, supplied…

Scope: IS 1239 (Pt 1) • IS 3589 Fe 410
Sizes: 15mm to 500mm NB
Industrial Flanges Weld Neck Slip On Standard Spec
In-Stock & Project Supply

Flanges

Industrial steel flanges including weld neck, slip-on, blind and other types, as per ASME…

Forged Fittings Socket Weld Threaded Standard Spec
In-Stock & Project Supply

Forged Fittings

Forged steel fittings in socket-weld and threaded types, supplied for high-pressure piping systems

Heat Exchanger Condenser Tubes Sa179 Standard Spec
In-Stock & Project Supply

Heat Exchanger & Condenser Tubes (SA179)

SA179 tubes are seamless, cold-drawn, low-carbon steel tubes specifically manufactured for heat exchanger and…

Low Temperature Carbon Steel Ltcs Standard Spec
In-Stock & Project Supply

Low Temperature Carbon Steel (LTCS)

Supplying ASTM A333 Grade 6 low temperature carbon steel seamless pipes for cryogenic and…

Ms Seamless Steel Pipes Standard Spec
In-Stock & Project Supply

MS / Carbon Steel Pipes

Mild steel (MS) and carbon steel seamless pipes supplied for structural, plumbing and general…

Plates Sheets ASTM A516 / IS 2062
Supplied on Requirement

Plates & Sheets

Steel plates and sheets in carbon and alloy grades, various thicknesses available for fabrication…

Scope: ASTM A516 Gr 60/70 • IS 2062 • ASTM A240
Sizes: 5mm to 100mm Thk (Cut to Profile)
Bundled seamless carbon steel pipes stacked in industrial storage yard ASTM / ASME / API
Stock & Cut Lengths

Seamless Steel Pipes

Seamless Steel Pipes – ASTM A106 / A53 Seamless carbon and alloy steel pipes…

Scope: ASTM A106 Gr B • API 5L • ASTM A53
Sizes: 1/2" to 24" NB (Sch 40 to XXS)
Stainless Steel Pipes Tubes ASTM A312 / A269
Sourced to Project Spec

Stainless Steel Pipes & Tubes

Stainless steel pipes and tubes in 304, 316 and other grades, corrosion-resistant, supplied for…

Scope: TP304/304L • TP316/316L • TP321
Sizes: 1/8" to 16" NB (Sch 5s to 80s)
Structural Steel IS 2062 / ASTM A36
Supplied on Requirement

Structural Steel

Structural steel sections including angles, beams and channels, supplied on requirement for construction and…

Scope: IS 2062 E250/E350 • ASTM A36 • IS 4923
Sizes: Beams, Columns, Channels, Angles, HSS

Need Custom Dimensions, Heavy Wall Schedules or Special Grades?

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