... Thickness:0.5mm--80mm 3.Length:4-14m carbon steel pipe OD6-950mmWTSCH5,SCH10,SCH20,,SCH60,SCH80,SCH100,SCH120,SCH160,XXSSpecification1 ... ;ST45;ST52.4;ST52; TT St35N;10Ni14;15Mo34. API:APL 5LAPI 5CT ;API LINE PIPE and so on5. we can also produce according ... . structral pipe2. oil or gas transportation3. fluid pipe4. line pipe5. drill pipe6. boiler pipe7. other uses we can produce according to ...