📍 Mumbai–Thane, Maharashtra • Supplying Across India
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About Seamless Steel Industries

Seamless Steel Industries (SSI) is a stocking distributor, indentor, and project supply partner based in Mumbai–Thane, Maharashtra, dedicated to specification-driven procurement and reliable commercial supply of seamless steel pipes, ERW pipes, alloy steel, stainless steel, buttweld fittings, and forged flanges.

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Specification-Driven Supply

Every procurement requisition is verified against precise engineering standards including ASTM, ASME, API, EN, DIN, JIS, and IS. We match project line items with primary and approved mill sources to ensure dimensional tolerances, metallurgical integrity, and exact schedule compliance.

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Quality & Documentation Rigor

Consignments are accompanied by Manufacturer Test Certificates (MTC) conforming to EN 10204 3.1. We facilitate third-party inspection (TPI) with accredited agencies including LRS, TUV, DNV, BV, SGS, and IRS to meet client and consultant quality requirements.

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Comprehensive Inventory Access

Our inventory coordination encompasses nominal bores from 1/2" NB to 24" NB and beyond, covering standard to extra-heavy wall schedules (Sch 20 through XXS). This enables single-source commercial fulfillment for complete piping packages.

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Central Dispatch Hub

Operating from the Mumbai–Thane industrial corridor provides immediate access to major national highway networks and Nhava Sheva (JNPT) container terminals, facilitating dependable dispatches across Maharashtra, Gujarat, Tamil Nadu, and pan-India project sites.

Core Product & Material Scope

Materials supplied strictly in accordance with recognized international and Indian standards:

Seamless Steel Pipes

High-pressure, elevated-temperature service in carbon and alloy steel.

ASTM A106 Gr B API 5L Gr B / X42-X70 ASTM A335 P11/P22

Stainless Steel Piping

Corrosion-resistant tubulars for chemical, pharmaceutical, and hygienic lines.

ASTM A312 TP304/304L ASTM A312 TP316/316L

ERW / Welded Pipes

Conveyance of water, gas, steam, and structural applications.

IS 1239 (Part 1) IS 3589

Buttweld Fittings

Seamless & welded elbows, tees, reducers, and caps.

ASTM A234 WPB ASME B16.9

Forged Flanges

Weld neck, slip-on, blind, and socket weld flanges in Class 150 to 2500.

ASTM A105 ASME B16.5

Package Procurement

Matched Bill of Materials (BOM) sourcing with single-point documentation.

Turnkey BOM Supply

Our Procurement & Commercial Process

Structured steps ensuring accurate technical execution from enquiry to site delivery:

STEP 01

BOM & Spec Review

Technical verification of material grades, wall schedules, cut lengths, and testing requirements.

STEP 02

Itemized Quotation

Clear commercial pricing with exact weights, mill origin specifications, and delivery lead times.

STEP 03

Quality Verification

Heat number correlation, MTC document inspection, and coordination of any requested TPI checks.

STEP 04

Dispatched Transit

Secure bundling, bevel protection, end-capping, and logistics dispatch to regional project sites.

Discuss Your Industrial Steel Requirement

Connect directly with our sales engineering team for formal price quotations, specification checks, or Bill of Materials (BOM) evaluations.