Test object
Steel
Test items
Chemical composition
Detection of major elements such as carbon, silicon, manganese, phosphorus, sulfur, as well as trace elements such as chromium and nickel and gas elements such as oxygen and hydrogen.
Mechanical properties
Including tensile test (yield strength, tensile strength, elongation, cross-sectional shrinkage), impact test (impact toughness), hardness test (Brinell, Rockwell, Vickers hardness).
Metallographic structure
Observation of microstructure (phase morphology, distribution, etc.) and detection of grain size.
Nondestructive testing
Ultrasonic, magnetic powder, and radiographic detection of internal and near-surface defects.
Physical properties
Density, thermal expansion coefficient, thermal conductivity.
Corrosion resistance
Salt spray test, immersion test.
Function of testing report:
Project bidding: Issue authoritative third-party CMA/CNAS qualification report
Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms
Used as a sales report: issuing legally effective testing reports to make consumers more confident
Papers and research: Provide professional personalized testing needs
Judicial services: providing scientific, fair, and accurate testing data
Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems
100% inspection and testing process:
Telephone communication and confirmation of requirements
Recommend solutions and confirm quotations
Mail samples and arrange testing
Progress tracking and result feedback
Provide reports and after-sales service
If urgent or priority processing is required
Testing and testing characteristics:
The testing industry is fully covered, meeting different testing needs
Fully cover the laboratory and allocate localized testing nearby
Engineers provide one-on-one services to make testing more accurate
Free initial testing, with no testing fees charged
Self service order delivery for free on-site sampling
Short cycle, low cost, and attentive service
Possess authoritative qualifications such as CMA, CNAS, CAL, etc
The testing report is authoritative and effective, and is generally used in China