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ABOUT GLOBAL SEAMLESS

Built by technocrats. Engineered for critical service.

A professionally managed seamless pipe and tube manufacturer with production in Mansfield, Louisiana, USA, backed by our mill in Kolkata, India, combining decades of domain expertise with internationally recognized quality systems.

PRODUCTION PLANTS

154K

SHORT TONS / YEAR (140K MT)

20+

COUNTRIES SERVED

PRODUCT LINES

COMPANY PROFILE

An integrated seamless manufacturer.

Global Seamless Tubes & Pipes is a professionally managed seamless pipe and tube manufacturer with integrated hot-finished and cold-drawn production capabilities. Established by technocrats with an average of 36 years of experience in the seamless piping industry, the company operates manufacturing facilities in Mansfield, Louisiana, USA and Kolkata, India.

This dual-continent manufacturing base provides customers with supply chain resilience and coordinated production from planning and raw-material control through forming, heat treatment, inspection, testing and dispatch.

✓ Hot finished + cold drawn under one roof
✓ Carbon, alloy, and stainless steel grades
✓ ASTM, ASME, DIN, JIS, EN, GB standards
✓ IBR and PED certified
✓ 100% NDT on every tube

MANUFACTURING FACILITIES

Two countries. One quality system.

USA · MANSFIELD

Mansfield, Louisiana

North American production. 300,000+ sq ft, 88,000 short tons (80,000 MT) capacity, Accu rolling mill. Domestic supply platform. Explore plant →

INDIA · KOLKATA

Kolkata, India

Integrated HFS + CDS manufacturing, heat treatment, stainless steel division, and NDT. 66,000 short tons (60,000 MT) annual capacity. Explore plant →

COMPETITIVE ADVANTAGES

Quality built into every stage.

Strict quality control

Integrated process control from raw material through finished product with documented inspection at every stage. See certifications.

Application-specific finish

Surface conditions and heat-treatment routes selected to meet the end-use application and customer specification.

Dimensional accuracy

Tight tolerances across OD, WT, ovality, and straightness verified by in-line and laboratory measurement.

Stable mechanical properties

Consistent strength, ductility, and hardness delivered through controlled chemistry and calibrated heat treatment.

Wide product range

11 product lines across carbon, alloy, and stainless steel in CDS, HFS, and cold-pilgered manufacturing routes.

Full testing capability

In-house mechanical lab, UT, ECT, MPI, hydrostatic testing, and dimensional inspection on every production lot.

PURPOSE

The Global Seamless idea.

Character determines product quality. Everything else is secondary.

OUR IDEA

Engineering before assumption.

Every specification is read, questioned, and confirmed before production begins. The tube is designed to the service, not defaulted from stock.

VISION

Internationally acclaimed quality.

To produce internationally acclaimed seamless steel pipes and tubes using the best raw materials, world-class technology and scientific management — recognized across 20+ countries.

MISSION

Security for every customer.

To create the greatest possible sense of security for external and internal customers, while remaining resolute in adding value.

WORK WITH GLOBAL SEAMLESS

Discuss your specification with engineering.

Send the standard, grade, dimensions, application and testing requirements.