Item:ASTM A106 Carbon Seamless pipe Size:1/4"-24"*2-40mm ... 5CT, 5L; ASTM, BS, JIS, DINSteel GradeAPI 5L Grade B/ASTM A106B, BS 1387O.D.1/8"--24"W ... customers' demandsEndsplain ends, beveled ends with plastic capsOutside Coating3PE,black painting, anti-corrosion oil, galvanized or as per required ... qualificationsMain marketAsia, India, Middle East, America, Europe,etc. black seamless steel pipe