BAIJIAN - Third party testing organization
Test items: Straightness of stress relieved steel wire、 weight deviation、 maximum force、 total elongation at maximum force、 cross-sectional shrinkage、 repeated bending、 bending、 torsion、 elastic modulus、 etc. Test samples: cold drawn or stress relieved low relaxation light circle for prestressed concrete Sampling quantity of spiral rib and scored steel wire: 3 pieces for conventional items/sampling location for each batch: stress relaxation test shall be conducted on any end of each (any) disc. 1 piece shall be selected、 and fatigue performance test shall be conducted on either disc. 2 pieces shall be selected、 and the steel wire shall be inspected and accepted in batches. Each batch of steel wire shall be composed of steel wires of the same brand、 specification、 and processing state、 and the mass of each batch shall not exceed 60 tons. Author: China Steel National Inspection Corporation https://www.bilibili.com/read/cv13141415/ Source: Bilibili
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific、 fair、 and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsinspection and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered、 meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing、 with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle、 low cost、 and attentive service 7. Possess authoritative qualifications such as CMA、 CNAS、 CAL、 etc 8. The testing report is authoritative and effective、 and is generally used in China