Test object

Cast iron

Test items

Chemical composition testing

Test the content of major elements such as carbon, silicon, manganese, sulfur, phosphorus, etc., and some will also test alloying elements (such as chromium, nickel, etc.).

Mechanical properties testing

Strength test: including tensile strength and compressive strength, determined by tensile and compression tests.

Hardness test: such as Brinell hardness test, which measures the ability of cast iron to resist local deformation.

Metallographic structure testing

Observe the graphite morphology (flake, spherical, etc.), matrix structure (pearlite, ferrite, etc.) and graphite distribution.

Casting defect detection

Non-destructive testing: Use ultrasonic, magnetic powder or radiographic detection to detect internal and surface defects (such as pores, cracks, etc.).

Appearance inspection: Check dimensional accuracy, surface roughness and whether there are obvious casting defects.

Physical properties testing

Detect density, thermal expansion coefficient, thermal conductivity, etc.

Corrosion resistance testing

Such as salt spray test and immersion test to evaluate corrosion resistance

Function of testing report:

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

Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms
 
Used as a sales report: issuing legally effective testing reports to make consumers more confident
 
Papers and research: Provide professional personalized testing needs
 
Judicial services: providing scientific, fair, and accurate testing data
 
Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems
 

100% inspection and testing process:

Telephone communication and confirmation of requirements

Recommend solutions and confirm quotations
 
Mail samples and arrange testing
 
Progress tracking and result feedback
 
Provide reports and after-sales service
 
If urgent or priority processing is required
 

Testing and testing characteristics:

The testing industry is fully covered, meeting different testing needs

Fully cover the laboratory and allocate localized testing nearby
 
Engineers provide one-on-one services to make testing more accurate

Free initial testing, with no testing fees charged

Self service order delivery for free on-site sampling

Short cycle, low cost, and attentive service
 
Possess authoritative qualifications such as CMA, CNAS, CAL, etc
 
The testing report is authoritative and effective, and is generally used in China.