ASTM A53GRB Spiral Steel Pipe

1.Manufacturing process:RM/steel platepreparingtest for materialsplanningButt weld steel pipeCutedges burr by disk plate shearBevel the edges to be easy weldedcoilauto inside/ourside weldedAltrasonic test on linefix length, cut pipevisualcheck for outside/insidesmoothtest altrasonticallyplainends/beveled endsHydrotestaltrasonictestfinishinspection/painting and markswarehouse/shipping

2. Executive standards: ASTM A53

3. Specificationrange

OD: 8-86219mm-2184mm

WT: 6-22mm

4. Materials: L210-450, GrB, X42-70 etc

5. Testing: Eddy current/ Hydrostatic/Ultrasonic/ Intergranular Corrosion etc.

6. Packing: seaworthy packing.

7. Application

Spiral steel pipe arewidely used for water, oil and gas transfer, ship-building, mine etc

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