Scope
This standard specifies the basic requirements and main operating methods for alloy composition inspection of metal components (including welded joints and welding materials) of power equipment using optical analysis method This standard is applicable to the manufacturing, installation, and The spectral analysis work for the re inspection and screening of alloy composition of various metal components (including welded joints and welding materials) during maintenance is also applicable to the re inspection and screening of alloy composition of metal materials in relevant industries.
Normative reference documents
The clauses in the following documents become clauses of this standard through reference. For dated reference documents, all subsequent modification orders (excluding erroneous content) Neither the revised version nor the revised version is applicable to this standard. However, parties who have reached agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard GB/T 4336 Carbon Steel and Medium Low Alloy Copper Spark Source Atomic Emission Spectrometric Analysis Method (Conventional Method)
GB/T 7999 Optoelectronic Emission Spectrometric Analysis of Aluminum and Aluminum Alloys
GB/T 11170 Optoelectronic Emission Spectrometric Analysis of Stainless Steel
GB 11533 Standard Logarithmic Vision Chart
GB/T 14203 General Rules for Optoelectronic Emission Spectrometric Analysis of Steel and Alloy
DLT 931 Qualification Assessment Rules for Physical and Chemical Inspectors in the Power Industry
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 problemsBaijian 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