Baijia.net specializes in metal product testing、 and our platform has established testing institutions that 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 processes of Baijia.net for metal product testing

  Metal product inspection scope:

Steel and alloys、 copper and alloys、 aluminum and alloys、 stainless steel、 metal pipes、 fasteners (bolts、 nuts、 rivets)、 welded joints、 and other types of metals、 alloys and metal products、 alloy products、 metal coatings

Light metals、 heavy metals、 deposited metals、 non-ferrous metals、 rare metals、 precious metals、 semi metals、 etc

Various metal and alloy products such as steel、 cast iron、 steel pipes、 steel wire rods、 welding materials、 steel plate profiles、 copper and aluminum materials、 steel wire ropes、 and various metal pendants.

Metal product testing items:

Physical properties: tensile、 bending、 yield strength testing、 fatigue、 torsion、 stress、 stress relaxation testing、 impact strength testing、 wear detection、 hardness、 hydraulic resistance、 creep testing、 expansion、 flattening、 compression、 shear strength testing、 magnetic properties、 electrical properties、 thermodynamic properties、 oxidation resistance、 density、 thermal expansion coefficient testing Elastic modulus、 etc

Environmental reliability performance: atmospheric corrosion、 intergranular corrosion detection、 stress corrosion test、 pitting corrosion、 corrosion fatigue、 artificial atmosphere corrosion、 salt spray test.

Process performance: fine wire stretching、 fracture inspection、 repeated bending、 bidirectional torsion、 hydrostatic test、 expanding、 bending、 curling、 flattening、 ring expansion、 ring stretching、 microstructure analysis、 metallographic analysis.

Non destructive testing: X-ray non-destructive testing、 electromagnetic ultrasonic testing、 ultrasonic testing、 eddy current testing、 magnetic flux leakage testing、 penetration testing、 magnetic particle testing.

Failure analysis: fracture inspection、 corrosion analysis、 etc

Metallographic examination: macroscopic metallography、 microscopic metallography (SEM、 TEM、 EBSD)、 grain size rating、 decarburization layer depth、 non-metallic inclusion rating.

Automotive component testing projects: mechanical impact testing、 vibration testing (random、 sinusoidal、 sweep frequency、 etc.)、 three comprehensive tests、 stiffness testing、 fatigue testing、 temperature impact testing、 high temperature storage、 low temperature storage、 wet heat alternation、 condensation testing、 salt spray testing、 gas corrosion resistance、 chemical reagent resistance、 EMC、 basic material properties、 basic coating properties、 sealing experiments、 etc

Metal product testing standards:

Serial number、 standard number、 standard name (in Chinese and English) Release Date Implementation Date Page Number Standard Status Operation

HB 6660-2011 Metal Sheet Thermal Fatigue Test Method

QB/T 4888-2015 Precious Metal Ornaments and Components Geometric Dimension Measurement Method

RB/T 146-2018 Construction Engineering Metal Products Mechanical Property Capability Verification Implementation Guide

YB/T 5 059-2013 Low carbon steel cold rolled steel strip

The testing advantages of the BAIJIAN Research Institute

Strength guarantee: collectively owned scientific research institute with complete scientific research projects Free initial inspection: Free initial inspection allows you to have a worry free testing experience Shorter cycle: Test reports can be issued within 7-10 working days

High quality service: Engineers provide one-on-one service and follow up on the entire project Advanced technology: A doctoral team with over 300 imported equipment from Europe and America Strict and fair: a cooperative unit of the public security、 procuratorial and legal departments、 scientific and accurate Multiple branches: accept nationwide on-site sampling/sample sending services One click query: supports scanning for authenticity and high recognition of reports

Report purpose of BAIJIAN Research Institute

Sales: Issue testing reports to commission product competitiveness.

Bidding: The report has high recognition and improves the success rate of bidding

Testing Process of Baijia.net Research Institute

1. Consulting engineers and submitting testing requirements 2. Sample delivery/mailing 3. Free initial inspection and quotation 4. Sign contracts and confidentiality agreements 5. Conduct scheme customization and experiments 6. Provide experimental results and testing reports 7. More value-added services

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

inspection and testing process:

1. Telephone communication and confirmation of requirements

Testing and testing characteristics:

1. The testing industry is fully covered、 meeting different testing needs

3. 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