ASTM A143/A143M-07(2020)

Detail information

Designation: ASTM A143/A143M-07(2020)

Publication date: 01/05/2020

Pages: 4

Country: American technical standard

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Anotation

This practice covers procedures that can be followed to safeguard against the possible embrittlement of steel hot-dip galvanized after fabrication, and outlines test procedures for detecting embrittlement. Conditions of fabrication may induce a susceptibility to embrittlement in certain steels that can be accelerated by galvanizing. Open-hearth, basic-oxygen, and electric-furnace steels shall be used for galvanizing. Other materials that can be galvanized include continuous cast slabs, steel or iron castings, and wrought iron. The material shall undergo cold working and thermal treatment. Embrittlement of steel shapes, steel castings, threaded articles, and hardware items shall be tested using a bend test , a universal testing machine, or by means of a press with the load applied slowly, until fracture of the galvanized test specimen occurs.


Keywords:
coatings-zinc, galvanized coatings, steel products-metallic coated, zinc coatings-steel products,, ICS Number Code 77.140.10 (Heat-treatable steels)