LARGE DIAMETER AND THICKNESS Double submerged arc welded steel pipe is welded used in oil and gas transportation and and ect
Material – API 5L grade 350 LSAW. With additional testing impact and tensile testing in longitudinal direction to AS 1544.2 and AS 1391 carried out by ILAC lab.
Welding – International equivalent, AWS D1.1 with 10% UT overall.
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