Raw material: hot rolled or cold rolled strip steel coil after longitudinal shear Steel coil outer diameter: phi 1300 ~ phi 2300 mm Internal diameter: 508-76mm Width: 500 ~ 1300 mm Thickness: 3 ~ 12.7 mm Maximum roll weight: 25 t As a product: Product standards: API-5l, API-5ct, gb9711-2011ASTM A500, JIS G3444, etc Length: 6 ~ 12.7m Length error: 0 ~ 6 mm Maximum test pressure: 60 MPa Length error: ±3 mm