Due to the complexity of the supply chain and the diversity of technical standards, the procurement and acceptance of steel are prone to various issues and may even involve fraudulent practices by unscrupulous suppliers.
I. Purchase Steel Through Official Channels
Selecting Suppliers: Give priority to reputable, official steel markets or designated suppliers, and avoid purchasing from unlicensed small vendors.
Brand and Quality Assurance: Whenever possible, choose well-known brands. Ensure that the steel comes with certificates of conformity, factory test reports, and other relevant documents, and verify that the information matches.
II. Inspect the Appearance and Specifications of Steel
Visual Inspection:
- The steel surface should be free of defects such as cracks, oil stains, or rust, and must not exhibit pitting or slag inclusions.
- Verify that the dimensions and specifications of the steel meet design requirements; for example, deviations in rebar diameter must comply with national standards.
- The ends of the steel should be straight and free of bends, with smooth cuts and no burrs.
Random Sampling of Dimensions:
Conduct random sampling tests on materials such as rebar and steel plates, with no fewer than 3 pieces or 5 items per batch, to ensure their mechanical properties meet standards.
Third-Party Testing:
If there are doubts regarding materials provided by the supplier, commission a third-party professional testing agency (such as SGS or BV) to conduct testing.
III. Pay Attention to Contract Details and Management
Contract Terms:
- Clearly stipulate terms regarding processing losses, scrap disposal fees, and other matters to avoid disputes caused by ambiguous contract language.
- Verify recipient information to avoid unclear liability due to incorrect details.
Material Management:
- Upon arrival, materials must be stacked in designated areas, clearly labeled by type and specification, and protected against rain and moisture.
- Reused materials must be inspected in batches, with a sample size of no less than 5% of the total quantity, and no fewer than 3 items per batch.
IV. Preventing Fraud and Pitfalls
Beware of Low-Price Temptations:
- Do not blindly trust low-priced steel; avoid purchasing substandard products simply to save money.
- Monitor market conditions to avoid paying inflated prices.
Prevent Secondary Adulteration:
Unqualified steel must not be mixed into the construction site; any such instances must be addressed immediately upon discovery.
Prevent Counterfeits and Substandard Products:
Check whether the steel has metal tags and quality certificates; if necessary, use spark testing to verify chemical composition.
V. Storage and Transportation
Storage:
Steel should be stored in a dry, well-ventilated area, avoiding direct contact with the ground to prevent rust.
Transportation:
During transportation, avoid deformation caused by over-tightening of bundles or improper lifting.
Corrosion Protection:
Steel stored outdoors for extended periods should undergo anti-rust treatment, such as coating or hot-dip galvanizing.
Post time: Mar-14-2026
