Features: (1) ASTM A 106, ASTM A 53, ASTM A179, API 5L Gr.B. (2) Standard:DIN2448/1629, Specificaiton:ST37,ST44,ST52-3,S235JR ,S355JR. (3) Size: OD: 1/2" to 28". (4) Thickness: SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS. (5) Other specifications available according to customers' requirements. (6) Applications:Construction Service,Transportation service,Low,Medium and high boiler service,mechanical and general engineering purpose.
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