Seamless steel line pipes api 5l psl 1 x42, x46, x52, x56, x60, x70 , astm a106 gr a/b/c, astm a53 gr b, api 5l gr b Production craft:hot rolled, cold drawn O.D:3/8”-24” (17.1-609.6mm) W.T:2.31-50mm Length:5.8m, 6m or 11.8m, 12m. Mill test certificate:en 10204/3.1b Material:api 5l gr b, astm a106 gr a/b/c, astm a53 gr a/b, a210, a252, a333, astm a335 gr p1, p5, p9, p11, p22, p91; Api 5l psl1 psl2 x42, x46, x52, x60, x65, x70; 20#, 20g, q345, q235, 16mn, L245~l555; jis stpg42, g3454, g3456; st37, st42, st45, st52, din 1626, Din 17175 etc. Standard:astm /asme b36.10m, api 5l, api 5ct, jis, din 17175, din17100, Din1626, bs1387, bs6323, bs10210, bs3602, en10217, en10219, as1163, As1074, gost 8696-74, gost 8731-74, gost 8732-78 , gb/t etc. Usage:it is used for conveying gas , water, and petroleum of both oil and natural gas industries. -