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Specification for Large Diameter Tubular Products

This guide discusses standard specification for straight seam or spinal seam electric-fusion-welded, light-wall, austenitic chromium-nickel alloy steel pipe for corrosive or high-temperature service. The sizes covered shall include NPS 14 to 30 with extra light (Schedule 5S) and light (Schedule 10S) wall thickness. Several grades of alloy steel shall be covered and shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, titanium, columbium, cerium, and other elements. The chemical composition of the welding filler metal shall also conform to the requirements of the applicable AWS specification for the corresponding grade. Tensile properties of the plate or sheet used in making the pipe must have the prescribed values of tensile strength and yield strength. The product must undergo a tension test, transverse guided-bend weld test, and a pressure or nondestructive electric test.

  • ┬áNote this data is for overview only. For full specification and current revisions, please contact ASTM.

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