Standard: API
Size: OD: 114.3-508mm THK: 5.49-101.69mm
Material: B/× 42/× 46/× 52/Ⅹ56/Ⅹ65/Ⅹ70
Grade: H40/J55/K55/C75/N80/L80/C90/C95/P110/Q125
Process method: cold drawn /cold pilgering/hotrolled/hot expand