This standard specifies the classifications and code numbers, order contents, dimension, appearance and marking example, technical requirements, testing method, acceptance regulations, package, transportation, storage, mark and quality certificate of low carbon steel wire for general use (hereinafter referred to as steel wire).
This standard is applicable to the low carbon steel wire with circular section for general bounding, nail manufacturing, braiding and building use.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigenda), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.
GB/T 228 "Metallic Materials-Tensile Testing at Ambient Temperature" (GB/T 228- 2002, eqv ISO 6892: 1998)
GB/T 238 "Metallic Materials--Wire--Reverse Bend Test" (GB/T 238- 2002, 150 7801: 1984, IDT)
GB/T 701 "Hot Rolled Low Carbon Steel Wire Rods"
GB/T 2103 "General Requirements for Acceptance, Packing, Marking and Quality Certification of Steel Wire"
YB/T 5357 Zinc Coatings for Steel Wire
3 Classifications and Code Numbers
3.1 Steel wires are divided into there types according to the delivery state and the classifications and code numbers are as follows:
a) Cold drawn wire
b) Annealing wire TA
c) Zinc coated wire SZ
3.2 According to the functions, the steel wires are to be divided three classes:
a) For general use
b) For nail manufacturing
c) For building use
