Top quality , hydralic test, x-ray, offer-line ut, eddy current inspection, etc, 3rd party inspection to test. Fast delivery , many sets of advanced production equipment to produce, as well as perfect logistics system. Timely quotation , professional sales quote for you after receive your inquiry. Certificate share , mtc, iso, inspection report and other quality certification. Used for oil and gas transportation, the general structure, mechanical structure. Size: od: 13.72-914.4mm / wt: 1.65-22mm, Length: 0.5mtr-20mtr Standard: api5l, astm a106/a53, din2391, astm a179/a192, en10210, en10208 Material: gr.B, x42, x46, x52, s355j0h, s355j2h, 10#, 20#, 316l, 304 Heat treatment: annealed, normalized, stress relieved, cold finished, quenched and tempered Delivery condition: bks, nbk, bk , bkw, gbk(+a), nbk(+n), bk(+c) Test: chemical component analysis, mechanical properties and other inspection Third inspection: bv, sgs, lloyds ect. Pipe ends: with plain ends , with beveled ends, profiled Coatings and linings: bared and coated.