BAIJIAN - Material testing agency
Testing products: heavy rail、 light rail、 steel strand、 steel structure、 color steel plate、 steel、 steel、 large section steel、 medium section steel、 small section steel、 steel cold bending section steel、 high-quality section steel、 wire rod、 medium thick steel plate、 thin steel plate、 electrical silicon steel sheet、 strip steel、 seamless steel pipe steel、 welded steel pipe、 steel pipe、 metal products、 steel plate、 steel、 etc Common testing items for steel: 1. Mechanical and process performance inspection: various hardness tests、 tensile tests、 compression tests、 bending tests、 flattening tests、 impact tests、 drop weight tests、 torsion tests、 winding tests、 bond strength、 welding joint inspection、 welding process evaluation、 etc; 2. Metallographic structure inspection_ Inspection of macrostructure and defects、 microstructure、 grain size、 hardenability、 fracture inspection、 carbide、 graphite rating、 sulfur imprinting、 inclusions、 decarburization layer、 carburized layer、 nitrided layer、 corrosion test、 tower shaped hairline、 stainless steel intergranular corrosion、 etc; 3. Chemical composition analysis_ The detection scope covers most of the elements in the periodic table、 reaching around 70、 including: carbon、 silicon、 manganese、 phosphorus、 sulfur、 chromium、 nickel、 copper、 molybdenum、 vanadium、 titanium、 tungsten、 cobalt、 aluminum、 niobium、 zinc、 cadmium、 calcium、 magnesium、 boron、 arsenic、 antimony、 tin、 bismuth、 lead、 barium、 selenium、 iron and other elements; 4. Bending test: bending、 repeated bending 5. Tensile test: high temperature、 room temperature、 low temperature tensile test 6. Hardness test: Rockwell hardness test、 Brinell hardness test、 Vickers hardness test 7. Impact test: room temperature impact test、 low temperature impact test、 high temperature impact test 8. Compression test: compressive yield point、 compressive strength、 specified non proportional compressive stress、 specified total compressive stress、 compressive elastic modulus 9 Mechanical performance testing of welded components: deformation、 fracture、 adhesion、 creep、 fatigue、 etc. 10. Mechanical performance testing of fasteners: tensile test、 guaranteed load、 wedge load test、 torque test、 hole expansion test、 torque coefficient、 anti slip coefficient、 etc. 11. Performance testing: tensile load、 stress relaxation test、 zinc plating test、 adhesion test、 copper immersion test、 etc&Nbsp
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