A139 GR.D ERW steel pipes

ASTM A139 standard covers A139 GR.A, A139 GR.B, A139 GR.C, A139 GR.D, A139 GR.E. A139 GR.D ERW steel pipes always find themselves a widely application areas in conveying liquid, gas, or vapor. And A139 GR.D ERW steel pipes is a high speed production product that can be made in continuous lengths up to 115’. It produces uniform wall thicknesses and outside dimensions and is made in a wide range of specifications.

A139 GR.D ERW steel pipe chemical compositions, max (%):

A139 GR.D ERW steel pipe mechanical properties:

A139 GR.D ERW steel pipe inspection:

The inspector representing the purchaser shall have entry, at all times while work on the contract of the purchaser is being performed, to all parts of the manufacturer’s works that concern the manufacture of the material ordered. A139 GR.D The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this specification. All tests and inspection shall be made at the place of manufacture prior to shipment and, unless other-wise specified, shall be so conducted as not to interfere unnecessarily with the operation of the works. If agreed upon, the manufacturer shall notify the purchaser in time so that he may have his inspector present to witness any part of the manufacture or tests that may be desired.

Certification- upon request of the purchaser in the contract or order, a manufacturer’s certification that the material was manufactured and tested in accordance with A139 GR.D this specification together with a report of the chemical and tensile tests shall be furnished.

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