Baijia.net specializes in stainless steel testing、 and our platform's testing institutions cover the entire testing industry. Online one-on-one service. The test report is delivered on time and with good quality、 and you can enjoy the report delivery service. On the Baijian platform、 customers can complete the inspection process online from ordering services、 submitting commission information、 and finally paying the inspection fee、 without leaving the house. Next、 I will briefly introduce the testing standards and process of Baijia.net for stainless steel testing p>
Stainless steel testing range:
According to the microstructure、 it is divided into martensitic steel、 ferrite steel、 austenitic steel、 austenite ferrite (duplex) stainless steel、 and precipitation hardening stainless steel p>
Classified by composition: chromium stainless steel、 chromium nickel stainless steel、 and chromium manganese nitrogen stainless steel p>
Stainless steel testing items:
Physical properties: magnetic properties、 electrical properties、 thermal properties、 oxidation resistance、 wear resistance testing、 salt spray、 corrosion、 density、 thermal expansion coefficient testing、 elastic modulus、 hardness、 high-temperature oxidation resistance testing、 etc p>
Chemical properties: atmospheric corrosion、 intergranular corrosion testing、 stress corrosion、 pitting corrosion、 corrosion fatigue、 artificial atmosphere corrosion、 electrochemical corrosion performance testing、 corrosion resistance testing、 critical pitting temperature testing、 etc p>
Mechanical properties: tensile、 bending、 yield strength testing、 fatigue、 torsion、 stress、 stress relaxation、 impact、 wear、 hardness、 hydraulic resistance、 tensile creep、 expansion、 flattening、 compression、 shear strength、 welding solidification crack stress detection、 etc p>
Process performance: fine wire stretching、 fracture inspection、 repeated bending、 bidirectional torsion、 hydraulic test、 expanding、 bending、 curling、 flattening、 ring expansion、 ring stretching、 microstructure、 metallographic structure testing、 etc p>
Non destructive testing: X-ray non-destructive testing、 electromagnetic ultrasound、 ultrasonic testing、 eddy current testing、 magnetic flux leakage testing、 penetration testing、 magnetic particle testing、 metal grade identification、 photoelectric direct reading spectral testing、 etc p>
Failure analysis: fracture analysis、 corrosion analysis、 etc p>
Metallographic examination: macroscopic metallography、 microscopic metallography、 microstructure and antibacterial performance testing、 etc p>
Stainless Steel Testing
Stainless Steel Testing Standards:
GB/T 119.1-2000 Cylindrical Pins、 Unquenched Steel and Austenitic Stainless Steel
GB/T 119.2-2000 Cylindrical Pins、 Hardened Steel and Martensitic Stainless Steel
GB/T 120.1-2000 Internal Thread Cylindrical Pins、 Unquenched Steel and Austenitic Stainless SteelGB/T 120.2-2000 Internal Thread Cylindrical Pins、 Hardened Steel and Martensitic Stainless Steel
GB/T 819.2-2016 Cross recessed countersunk head screws - Part 2: Grade 8.8、 stainless steel and non-ferrous metal screws
GB/T 1954-2008 Method for measuring ferrite content in chromium nickel austenitic stainless steel welds
GB/T 3089-2020 Stainless steel extremely thin-walled seamless steel pipes
GB/T 3098.6-2014 Mechanical properties of fasteners - Stainless steel bolts Screws and Studs
GB/T 3098.15-2014 Mechanical Properties of Fasteners Stainless Steel Nuts
GB/T 3098.16-2014 Mechanical Properties of Fasteners Stainless Steel Set Screws
GB/T 3098.21-2014 Mechanical Properties of Fasteners Stainless Steel Self tapping Screws
GB/T 3098.24-2020 Mechanical Properties of Fasteners Stainless Steel and Nickel Alloy Bolts and Screws for High Temperature Use Studs and Nuts
GB/T 3280-2015 Cold Rolled Stainless Steel Plate and Strip
GB/T 4226-2009 Cold worked Stainless Steel Bars
GB 4234.1-2017 Surgical Implants - Metallic Materials - Part 1: Wrought Stainless Steel
GB/T 4237-2015 Hot Rolled Stainless Steel Plate and Strip
GB/T 4241-2017 Stainless Steel Wire Rods for Welding
GB/T 4334.6-2015 Stainless Steel 5% Sulfuric acid corrosion test method
GB/T 4334-2020 Corrosion of metals and alloys - Austenite and ferrite austenite (duplex) Stainless Steel Intergranular Corrosion Test Method
GB/T 4356-2016 Stainless Steel Wire Rods
GB/T 5009.81-2003 Analysis Method for Hygienic Standards of Stainless Steel Tableware Containers
GB/T 5267.4-2009 Fastener Surface Treatment Corrosion Resistant Stainless Steel Passivation Treatment
GB/T 6886-2017 Sintered Stainless Steel Filter ElementsThe business of the testing institutions established by Baijian covers the entire testing industry. Online one-on-one service. The inspection report is delivered on time and with good quality、 and customers can enjoy the report delivery service. On the Baijian platform、 customers can complete the inspection process online from ordering services to submitting commission information to finally paying the inspection fee. They don't need to go out to complete the inspection process. The report was delivered on time and with good quality. The platform is committed to providing testing services for enterprises and individuals. It uses Internet+testing e-commerce to provide customers with diversified testing services p>
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