GB/T 25150-2010 English PDFUS$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 25150-2010: Quality test method of passive film on austenitic stainless steel of chemical cleaning for industrial equipment -- Blue dot method Status: Valid
Basic dataStandard ID: GB/T 25150-2010 (GB/T25150-2010)Description (Translated English): Quality test method of passive film on austenitic stainless steel of chemical cleaning for industrial equipment -- Blue dot method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G90 Classification of International Standard: 71.120.01 Word Count Estimation: 6,630 Date of Issue: 2010-09-26 Date of Implementation: 2011-03-01 Quoted Standard: GB/T 603; GB/T 6682 Regulation (derived from): National Standard Approval Announcement 2010 No.6 (Total No.161) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the austenitic stainless steel equipment and fittings chemical cleaning passivation film quality test conditions, test methods and test procedures, This standard applies to the contact with strong oxidizing media austenitic stainless steel passivation film quality testing equipment other circumstances may implementation. GB/T 25150-2010: Quality test method of passive film on austenitic stainless steel of chemical cleaning for industrial equipment -- Blue dot method---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Quality test method of passive film on austenitic stainless steel of chemical cleaning for industrial equipment. Blue dot method ICS 71.120.01 G90 National Standards of People's Republic of China Industrial equipment, chemical cleaning of austenitic stainless steel Passivation film quality testing methods blue dot method Bluedotmethod Issued on. 2010-09-26 2011-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThe standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee of Chemical Machinery and Equipment (SAC/TC429) centralized. This standard was drafted. Bluestar Environmental Engineering Co., Ltd., China National Bluestar (Group) Co., Ltd. Drafters of this standard. Li Defu, Liu Yang, Liu Jie, Zhang Heng record, Chenen Hui, Liu Shan, Jiaoyong Tao, a single prime spirit. Industrial equipment, chemical cleaning of austenitic stainless steel Passivation film quality testing methods blue dot method1 ScopeThis standard specifies the austenitic stainless steel equipment and fittings chemical cleaning passivation film quality test conditions, test methods and test procedures. This standard applies to the medium in contact with strong oxidizing austenitic stainless steel passivation film quality testing equipment, other circumstances may implementation.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 603 chemical reagent in test methods - Preparations with Laboratory use specifications and test methods GB/T 6682 Analysis3 Terms and DefinitionsThe following terms and definitions apply to this standard. 3.1 Passivation film passivefilm Oxide passivation film is a protective film by chemical methods in austenitic stainless steel surface. 3.2 Blue Point liquid bluedotliquid Blue Point was dedicated to testing of austenitic stainless steel surface passivation film quality test solution, the solution itself is brown, the passivation film is destroyed after The formation of blue spots. 3.3 Cleaning system cleaningsystem Cleaning system is also accept cleaning device or system by a plurality of devices, components and piping component. 4. Summary Austenitic stainless steel surface passivation after dropping the liquid blue dot, blue dot fluid can damage the passive film, the following reaction. 2H Fe = Fe2 H2 ↑; 3Fe2 2 [Fe (CN) 6] 3- = Fe3 [Fe (CN) 6] 2 ↓. Blue dot appears with a stopwatch recording liquid within the coverage area and the number of blue dots Time to assess the quality of the passivation film.5 Reagents and materials5.1 Test methods used in the reagents and water, did not indicate when the other requirements, refer to analytically pure reagents and GB/T 6682 provisions of the three steam Distilled water. Solution preparation and products 5.2 Test required, in the absence of other provisions indicated, was prepared according to the provisions of GB/T 603's. 5.3 Reagents and materials required for the test are as follows. --- 98% sulfuric acid; --- 36% hydrochloric acid; ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 25150-2010_English be delivered?Answer: Upon your order, we will start to translate GB/T 25150-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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