BAIJIAN - Third party testing organization
Continuously hot-dip galvanized and zinc alloy coated steel plates and strips 1 Scope: This standard specifies the terms and definitions、 classification、 code and grade representation method、 ordering content、 size、 appearance、 weight、 technical requirements、 test methods、 inspection rules、 packaging、 marking、 and quality certificate of continuously hot-dip galvanized、 zinc iron alloy、 zinc aluminum alloy、 and aluminum zinc alloy coated steel plates and strips (hereinafter referred to as steel plates and strips). This standard is applicable to steel plates and strips with a thickness of 0.20 mm-6.0 mm used in industries such as automobiles、 construction、 and home appliances. 2 Normative References The following documents are essential for the application of this document. For dated references、 only the dated version applies to this document. For undated references、 the latest version (including all modification orders) applies to this document. GB/T 223.5 Determination of Acid Soluble Silicon and Total Silicon Content in Iron and Steel、 Reduced Molybdenum Silicate Spectrometric Method、 GB/T 223.9 Determination of Aluminum Content in Iron、 Steel、 and Alloy、 Chromazurol S Spectrometric Method、 GB/T 223.12、 Methods for Chemical Analysis of Iron、 Steel、 and Alloy、 Sodium Carbonate Separation - Diphenyl Acid Mill II、 Photometric Method for the Determination of Chromium Content GB/T223.14 Chemical Analysis Methods of Pot Iron and Alloy GB/T 223.14 Button Reagent Extraction Photometric Method for the Determination of Vanadium Content GB/T 223.17 Methods for Chemical Analysis of Iron、 Steel、 and Alloy GB/T 223.26 Diantipyrylmethane Photometric Method for the Determination of Titanium Content GB/T 223.26 Determination of Molybdenum Content in Iron、 Steel、 and Alloy GB/T 223.40 Determination of Ni Content in Iron、 Steel、 and Alloy Sacral Sulfophenol S Spectrometric Method GB/T 223.59 Determination of Phosphorus Content in Iron、 Steel、 and Alloy File Phosphorus Molybdenum Blue Spectrometric Method Methods for Chemical Analysis of Iron、 Steel、 and Alloy GB/T 223.60- Determination of Silicon Content - Perchlorate Dehydration Gravimetric Method
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