BAIJIAN - Third party testing organization
Seamless steel pipe inspection types:
Seamless steel pipe hot-rolled seamless steel pipe inspection: including the inspection of general steel pipes、 low and medium pressure boiler steel pipes、 high-pressure boiler steel pipes、 alloy steel pipes、 stainless steel pipes、 petroleum cracking pipes、 geological steel pipes、 and other steel pipes Seamless steel pipe cold rolled seamless steel pipe inspection: including seamless pipes for general structure、 mechanical structure、 low and medium pressure boilers、 high-pressure boilers、 fluid conveying seamless pipes、 cold drawn or cold rolled precision seamless pipes、 geological drilling steel pipes、 petroleum drilling steel pipes、 precision inner diameter seamless pipes for hydraulic cylinder barrels、 fertilizer specific seamless pipes、 marine pipes、 petroleum cracking pipes Testing of cold rolled seamless steel pipes such as various alloy pipes Seamless steel pipe circular seamless steel pipe inspection: inspection of petroleum geological drilling pipes、 cracking pipes used in petrochemical industry、 boiler pipes、 bearing pipes、 and high-precision structural steel pipes used in automobiles、 tractors、 and aviation Seamless steel pipe stainless steel seamless steel pipe inspection: hot-rolled stainless steel pipe、 hot extruded stainless steel pipe and cold drawn (rolled) stainless steel pipe、 semi ferrite semi martensitic stainless steel pipe、 martensitic stainless steel pipe、 austenitic stainless steel pipe、 austenitic ferrite stainless steel pipe、 etc Seamless steel pipe top pipe inspection: inspection of top pipes such as air pressure balanced top pipe、 mud water balanced top pipe、 and soil pressure balanced top pipe Seamless steel pipe inspection for irregular seamless steel pipes: including the inspection of seamless steel pipes such as square、 elliptical、 triangular、 hexagonal、 melon shaped、 star shaped、 and finned pipes Seamless steel pipe thick walled seamless steel pipe inspection: hot-rolled thick walled seamless steel pipe、 cold rolled thick walled seamless steel pipe、 cold drawn thick walled seamless steel pipe、 extruded thick walled seamless steel pipe、 stainless steel seamless steel pipe for top pipe structure、 etc Seamless steel pipe thin-walled seamless steel pipe inspection: including general steel pipes、 low and medium pressure boiler steel pipes、 high-pressure boiler steel pipes、 alloy steel pipes、 stainless steel pipes、 petroleum cracking pipes、 geological steel pipes、 and other steel pipes Seamless steel pipe testing items:
Chemical performance testing: high temperature resistance、 low temperature resistance、 acid resistance、 alkalinity、 oxidation resistance、 etc Process performance testing: fine wire stretching、 fracture inspection、 repeated bending、 reverse bending、 reverse flattening、 bidirectional torsion、 hydraulic test、 expanding test、 bending、 curling、 flattening、 ring expansion、 ring stretching、 microstructure、 cupping test、 metallographic analysis、 etc Non destructive testing: X-ray non-destructive testing、 electromagnetic ultrasonic testing、 ultrasonic testing、 eddy current testing、 magnetic flux leakage testing、 penetrant testing、 magnetic particle testing Mechanical property testing: tensile strength、 impact test、 yield point、 elongation after fracture、 reduction of area、 hardness indicators (Rockwell hardness、 Brinell hardness、 Vickers hardness、 Leeb hardness、 Vickers hardness) Other items include testing of metallographic structure、 inclusions、 decarburization layer、 determination of microstructure content、 analysis of corrosion causes、 grain size and microstructure grading、 macrostructure、 intergranular corrosion、 high-temperature alloy microstructure、 high-temperature metallographic structure、 etc Analysis items: comparative analysis、 material identification、 failure analysis、 and composition analysis Chemical analysis、 failure analysis、 fracture analysis、 corrosion analysis、 etc Accurate detection and analysis of the composition and content of manganese、 oxygen、 nitrogen、 carbon、 sulfur、 silicon、 iron、 aluminum、 phosphorus、 chromium、 vanadium、 titanium、 copper、 cobalt、 nickel、 molybdenum、 cerium、 lanthanum、 calcium、 magnesium、 zinc、 tin、 antimony、 arsenic and other metal elements in metals、 alloys and their products、 as well as stainless steel
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