Api Seamless Steel Pipe Used For Petroleum Pipeline,api Oil Pipes/tubesstandardapi 5ct/ iso11960gradegroup.1h40/psl.1, j55/psl.1, j55/psl.2, j55/psl.3, k55/psl.1, k55/psl.2, k55/psl.3,n80(1)/psl.1, n80(1)/psl.2, n80(q)/psl.1, n80(q)/psl.2, n80(q)/psl.3group.2m65/psl.1, m65/psl.3, l80/psl.2, l80(1)/psl.1, l80(1)/psl.3, l80(9cr)/psl.1, l80(13cr)/psl.1, c90/psl.1, c90/psl.2, c90/psl.3, t95/psl.1, t95/psl.2t95/psl.3group.3p110/psl.1, p110/psl.2, p110/psl.3,group.4q125/psl.1, q125/psl.2, q125/psl.3,minimum order 30 tonodtubing1.66 inch to 4 1/2 inch or 42.16mm to 114.3mmcasing4 1/2 inch to 20 inch or 114.3mm to 508mmwall thicknessaccording to api 5ct standardlengthtubingr1 (6.10m to 7.32m), r2 (8.53m to 9.75m), r3 (11.58m to 12.80m)casingr1 (4.88m to 7.62m), r2 (7.62m to 10.36m), r3 (10.36m to 14.63m)typeseamlessend-finishtubingp, i, n, ucasingp, s, b, lwe ...
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