provide steel pipe, ASTM,JIS, DIN,API 5L STEEL PIPE 1. MATERIAL: ... 2. SIZE: 1/4"--24 provide steel pipe, ASTM,JIS, DIN,API 5L STEEL PIPE1. MATERIAL: CARBON STEEL,STAINLESS ... "--24" 3. THICKNESS: STD,SCH40,80,1604. STANDARD: JIS, GB, ASME,ANSI,DIN,API 5L5. USE petroleum,chemical, ... power,gas,metalurgy,shipbuilding,construction,ETC.OTHERS:6 LENGTH: single ...