Gram Bangla Tubes Steel Pipe & Tube

Quality

Certified, tested, and made to spec.

Every metre of pipe is verified in our own laboratory before it leaves the mill, so what you order is exactly what you receive.

Certifications and testing

Certified and tested.

ISO 9001:2015

Our quality-management system is certified to ISO 9001:2015. It governs how every order is produced, inspected and traced from coil to dispatch.

BSTI

Products conform to Bangladesh Standards & Testing Institution requirements for steel pipe and tube.

Tested at BUET. Test reports on request.

Certificates and test reports are shared with buyers on request.

Request certificates

How we control quality

From coil to dispatch.

01

Certified raw material

Steel coil and plate from trusted sources, verified for grade and composition on intake.

02

Forming & welding

ERW, SSAW spiral and LSAW processes run on dedicated lines and monitored continuously.

03

In-house testing

Hydrostatic pressure, weld, dimensional and mechanical tests on every batch in our own laboratory.

04

Marking & traceability

Each batch is marked and documented so the pipe you receive is fully traceable to its test record.

Mill test certificates available on request.

Our steel comes from mills including Nippon Steel, POSCO and Tata Steel, and from the trading house Metal One.

Need certificates or specs?

Certificates, test reports and spec sheets are shared with buyers for a named project or tender.