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standards: ASTM A106 GRA/B/C, ASTM A53 GRB, ASTM A192, DIN17175 st35.8, DIN1629 ST52, ASTM A210, ASTM A179, API 5L GRB.Material: TP304, TP304L, TP316, TP316L, TP321 and so on
Thickness: 3mm ~ 60 mm
Outer Diameter: 15mm ~ 720 mm
Surface: Oiled or black painted in order to prevent rust.
Application: 1.For low pressure liquid delivery such as water , gas and oil
2.For construction
