ASTM A53/A106/API 5L For Shipbuilding Carbon Steel Pipe 1) Size:1/8'' to 24'' 2) Standard:APL 5L,API 5CT, ... JIS GBCARBON STEEL SEAMLESS PIPES:1) Pipe Diameter of Steel Pipe: 10"-24"2) Thickness of Steel Pipe: 6mm-20mm3) Steel grade of ... steel tubes are available here 3Applicationuse for oil well, boilers, precision machines, petro-chemical, ship, structure pipe, automobile, shock absorber, building, ...