This standard specifies the acceptance rules, packing, marking and quality certificate as well as storage, transportation and the like of steel wire.
It is applicable to the general requirements for acceptance, packing, marking and quality certification of steel wire. Where other provisions are stated in the product standard, the provisions in corresponding standards shall prevail.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 4879-1999 Rustproof Packaging
YB/T 025-2002 Steel Strips for Packing
YB/T 5294-2006 Low Carbon Steel Wire for General Uses
JB/T 6067-1999 Volatile Corrosion Inhibiting Film
JB/T 6071 Gas Phase Antiruster
QB/T 1319 Volatile Rust Preventive Paper
SH/T 0692-2000 Rust Preventive Oils
3 Acceptance Rules
3.1 Inspection and acceptance
3.1.1 The inspection and acceptance of steel wire shall be carried out by the supplier's quality supervision department.
3.1.2 The supplier must guarantee that delivered steel wires meet the provisions of the related product standards and the contract. The demander is entitled to conduct acceptance according to the provisions of the related product standards and the contract.
3.2 Batching rules
Steel wires shall be subjected to acceptance by batches. Each batch of steel wires shall be composed of the steel wires with the same designation, furnace No. (or manufacturing batch No.), shape, dimension and delivery state.
3.3 Sampling quantity
3.3.1 The sampling quantity of steel wire shall meet the provisions of the related product standards.
3.3.2 If sampling quantity is not specified in product standards, the following requirements shall be observed:
Steel wire shall be subjected to shape, dimension and surface inspection by coils.
5% of accepted steel wires are taken and at least three coils of steel wires are subjected to mechanical performance test and other tests.
3.4 Reinspection and judgement rules
In the inspection, if one inspection result fails to meet the provisions of product standards or the contract, this coil of steel wire shall not be delivered. Double number of specimens shall be taken from untested steel wire coil in this batch to be reinspected for this rejected item (including any index required by this test); even if only one reinspection result is unaccepted, this batch of steel wire shall not be delivered by wholesale, but this batch of products can be inspected coil by coil and the accepted products can be delivered. The supplier is able to classify and process the steel wire rejected in reinspection (including heat treatment) and then resubmit them for acceptance.
