Test scope

Main components of rail materials such as steel, aluminum alloy, copper alloy, etc.

Test items:

Intergranular corrosion test: evaluate the corrosion of materials at or near grain boundaries.

Test standard:

GB/T 21433-2008-"Intergranular corrosion sensitivity test of stainless steel pressure vessels": test standard for intergranular corrosion sensitivity of stainless steel pressure vessels.

GB/T 7998-2005-"Determination method for intergranular corrosion of aluminum alloys": determination method for intergranular corrosion of aluminum alloys.

ASTM A763-93 (R2009)-"Intergranular corrosion test of stainless steel": intergranular corrosion test standard for stainless steel formulated by the American Society for Testing and Materials.

Test cycle and cost:

Cycle: 3-15 working days in general, excluding special sample test items.

Cost: Fee quotation based on test items, please consult customer service for details.

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 problems
 

100% inspection 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 required
 

Testing and testing characteristics:

1.The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby
 
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
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