This standard specifies the classification and marking of galvanized steel wire for ventilation pipes, ordering content, size, shape and allowable deviations, technical requirements, inspection methods, inspection rules, packaging, marking and quality certificates. This standard applies to galvanized steel wire for reinforcement of plastic ventilation ducts (hereinafter referred to as "steel wire").
YB/T 4537-2016 Referenced Document
GB/T 1839 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products
GB/T 2103 General requirements for acceptance,packing,marking and quality certification of steel wire
GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*， 2021-12-31 Update
GB/T 238 Metallic materials.Wire.Reverse bend test
GB/T 239.1 Wire rods of metallic materials - Part 1: Test method for unidirectional torsion*， 2023-03-17 Update