Standard: A179 ASTM A192 A210 Steel Grades: A179 A192 A210-A1 A210-C Size Range: OD:12.7mm TO 220mm. WT: 2.11mm To 25.4mm Manufacturing Process : Cold Drawn , Cold Rolled Application:Tubes are used in boiler ,heat exchanger ,and superheater Etc. Packing: External Black Painting ,Both Side With End Caps, In Bundles by Steel Strips,Covered by Waterproof.
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