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COMPANY PROFILE

Seamless manufacturing, built around control.

A premier manufacturer of cold-drawn and hot-finished seamless steel pipes and tubes, established by seasoned pipe engineers with over 55 years of cumulative industry experience.
55+
YEARS EXPERIENCE
154K
SHORT TONS / YEAR (140K MT)
5
PLANTS
20+
COUNTRIES
3
PRODUCT LINES
WHO WE ARE

Built by engineers who spent their careers inside seamless tube mills.

Global Seamless Tubes & Pipes was established by seasoned pipe engineers with over 55 years of cumulative experience in seamless tube manufacturing. The founding team brings hands-on expertise from plant commissioning, hot rolling, cold drawing, heat treatment, and quality systems across multiple seamless mills.

Today the company manufactures in Mansfield, Louisiana, USA, backed by its mill in Kolkata, India, with a combined installed capacity of 154,000 short tons (140,000 MT) per year covering hot-finished seamless, cold-drawn seamless, and stainless steel product lines.
✓   Hot Finished Seamless (HFS)
✓   Cold Drawn Seamless (CDS): Carbon, Alloy & Stainless
✓   Stainless Steel Seamless (SS)
Global Seamless manufacturing plant in Kolkata, India
MANUFACTURING FACILITIES

Two countries. One quality system.

The Mansfield, Louisiana facility provides 88,000 short tons (80,000 MT) for North American supply. Our Kolkata, India mill adds 66,000 short tons (60,000 MT).
Global Seamless Mansfield manufacturing plant in the USA
USA · MANSFIELD · 88K SHORT TONS (80K MT)

Mansfield, Louisiana

300,000+ sq ft on 17 acres. HFS + CDS with Accu rolling mill. Domestic supply for North American markets.
Global Seamless manufacturing plant in Kolkata, India
INDIA · KOLKATA · 66K SHORT TONS (60K MT)

Kolkata, India

Integrated HFS + CDS with in-house heat treatment, bright annealing, stainless steel division, and 100% NDT. Backs our Mansfield, Louisiana plant.
CERTIFICATIONS & APPROVALS

Documented quality. Recognized compliance.

ISO 9001:2015

Quality Management System, certified across all manufacturing operations.

ISO 14001:2015

Environmental Management System for responsible manufacturing practices.

ISO 45001:2018

Occupational Health & Safety, certified workplace safety standards.

IATF 16949

Automotive Quality Management, approved for automotive tube supply.

IBR Certified

Indian Boiler Regulations, approved manufacturer for boiler pressure parts.

EIL Approved

Engineers India Ltd, approved vendor for refinery and petrochemical projects.

BIS / NABL

Bureau of Indian Standards certification. NABL-accredited testing laboratory.
WORK WITH US

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