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ASTM B468

Alloy 20 Welded Tubes And Tubing

ASTM B468 Standards And Specifications

ASTM B468 specification covers Alloy 20 Welded Pipes used widely in boiler, heat exchanger, and condenser tubes for general corrosion resistance.

ASTM B468 - Welded Tubes

ASTM B468 Tubes

ASTM B468 specification covers Alloy 20 Welded Tubes, which are made from flat rolled stock, by an automatic welding process with no addition of filler metal. The welded tubes of 1/8 to 5 in. (3.18 to 127 mm), inclusive, in outside diameter and 0.015 to 0.500 in. (0.38 to 10 mm), inclusive, in wall thickness are made. Tubes having other dimensions may be furnished, provided such tubing complies with all other requirements of this specification. These welded tubes can be formed into various shapes such as round, square, rectangular, etc.

Scope And Manufacturing

ASTM B468 welded tubes covers welded UNS N08020 alloy which are subsequent to prior to final heat treatment, the material shall be cold-worked in either the weld metal only, or in both the weld and base metal. Tubing of alloy 20 shall be furnished in the stabilized-annealed condition. The material shall conform to the composition limits specified. The material shall conform to the mechanical property requirements for tensile strength, yield strength and elongation. Flattening and flange tests is to be done on each end of one tube per lot.

Siddhagiri Metals and Tubes exports Alloy 20 Welded tubes which are used in oil and gas refinery. These Alloy 20 Welded Tubes provide excellent corrosion resistant in all acidic and alkaline environments


We are manufacturers of high-quality ASTM B468 Welded Tubes. Siddhagiri Metals and Tubes stocks a varied range of alloy 20 tubes in many sizes and forms. Contact us for best price.
Other Names: ASTM B468 Welded Tube, Alloy 20 Welded Tubes, Carpenter 20 Welded Tube
Material: Alloy 20, Carpenter 20
Brand: Siddhagiri Metals and Tubes
Manufacturer: Siddhagiri Metals and Tubes
Rating: 3.7/5 based on 65 customer reviews

Our Inventory of ASTM B468 Material

  • ASTM A182 UNS N08020