1. Products: Tubing and Casing 2. Standards: API 5CT, API SPEC 5B, ISO 11960 3. Steel Grade: J55, K55, N80, P110, L80 etc 1. Products: Tubing and Casing 2. Standards: API 5CT, API SPEC 5B, ISO 119603. Steel Grade: J55, K55, N80, P110, L80 etc4. Tolerance: by the standard5. Size: Outer Diameter(OD): 48mm-325mm; Wall Thickness(WT): 3mm-20mm; Length: 6m-12m 6. Pipe end: plain end, short round thread ...