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GB/T 18838.2-2017: Preparation of steel substrates before application of paints and related products -- Specifications for metallic blast-cleaning abrasives -- Part 2: Chilled-iron grit
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| GB/T 18838.2-2017 | English | 184 |
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Preparation of steel substrates before application of paints and related products -- Specifications for metallic blast-cleaning abrasives -- Part 2: Chilled-iron grit
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GB/T 18838.2-2017
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Basic data | Standard ID | GB/T 18838.2-2017 (GB/T18838.2-2017) | | Description (Translated English) | Preparation of steel substrates before application of paints and related products -- Specifications for metallic blast-cleaning abrasives -- Part 2: Chilled-iron grit | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A29 | | Classification of International Standard | 25.220.10 | | Word Count Estimation | 10,149 | | Date of Issue | 2017-12-29 | | Date of Implementation | 2018-07-01 | | Regulation (derived from) | National Standards Bulletin 2017 No. 32 | | 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 | GB/T 18838.2-2017: Preparation of steel substrates before application of paints and related products -- Specifications for metallic blast-cleaning abrasives -- Part 2: Chilled-iron grit
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Preparation of steel substrates before application of paints and related products - Specifications for metallic blast-cleaning abrasives - Part 2. Chilled-iron grit
ICS 25.220.10
A29
National Standards of People's Republic of China
Surface coating of steel before coating
Jet cleaning metal abrasive technical requirements
Part 2. Chilled cast iron sand
Part 2.Chiled-irongrit
(ISO 11124-2.1993, IDT)
2017-12-29 Posted
2018-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
GB/T 18838 "coating of steel surface treatment before blasting metal abrasive technical requirements" is divided into the following sections.
--- Part 1. Guidelines and classification;
--- Part 2. Chilled cast iron sand;
--- Part 3. High carbon cast steel balls and sand;
--- Part 4. Low carbon cast steel balls;
--- Part 5. Steel wire cut pill.
This section GB/T 18838 Part 2.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section uses the translation method identical with ISO 11124-2.1993 "before coating the surface of steel spray cleaning metal abrasive
Technical requirements Part 2. Chilled cast iron sand. "
This part is proposed by China State Shipbuilding Corporation.
This part of the National Coatings and Pigments Standardization Technical Committee paint before the metal surface treatment and painting technology sub-Technical Committee (SAC /
TC5/SC6) centralized.
This section drafted by. China Shipbuilding Industry Corporation XI Institute, Shanghai Long Cang New Materials Technology Co., Ltd., Shanghai Xuan Yang
Chemical Materials Technology Co., Ltd., China Shipbuilding Industry and Technology Institute of integrated economy.
The main drafters of this section. Zhao Debin, Sun Jingyun, Wang Peiqing, Song Yanyuan, Su Haidong, Fu Jianhua, Jiang Feng.
Surface coating of steel before coating
Jet cleaning metal abrasive technical requirements
Part 2. Chilled cast iron sand
Warning --- For the surface treatment of abrasives, materials and equipment, if used carelessly, there may be danger. Many countries are right
Materials and abrasives considered to be hazardous during or after use (waste management), such as free silicon, carcinogens or toxics, are made
Provisions. Therefore, these rules should be observed. It is important to ensure that appropriate guidance and all required precautions are implemented.
1 Scope
GB/T 18838 provisions of this part of the jet cleaning 12 grades of chilled cast iron sand abrasive technical requirements, including hardness,
Density, defects, microstructure and chemical composition.
The requirements specified in this section applies only to unused abrasive, does not apply to used abrasive.
Jet cleaning metal abrasive test methods see GB/T 19816 of the various parts.
Chilled cast iron sanding abrasives are recyclable and reusable abrasives that can be used both on fixed and on-site injection equipment.
Note 1. The commonly referenced standards for metal abrasives worldwide and their relationship with this part are given in Appendix A and Appendix B.
Note 2. Although this part of GB/T 18838 is formulated to meet the requirements of steel surface treatment, but also applies to the use of jet cleaning technology to deal with other
The surface or part of the material. These rules are given in ISO 8504-2.20001) "Coating of steel surface treatment before the second part of the surface treatment methods
Minutes. Abrasive jet cleaning "is given.
1) This standard is ISO 8504-2.1992 in ISO 11124-2.1993. GB/T 18839.2-2002 modified to use ISO 8504-2.2000.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
Preparation of steel substrates before application of paints and related products - Test methods for metallic abrasives for jet cleaning GB/T 19816.1-2005.
Sampling (ISO 11125-1.1993, IDT)
Preparation of steel substrates before application of paints and related products - Test methods for metallic abrasives for jet cleaning - Part 2. Methods of test GB/T 19816.2-2005.
Determination of particle size distribution (ISO 11125-2.1993, IDT)
Preparation of steel substrates before application of paints and related products - Test methods for metallic abrasives for blast cleaning - Part 3. Methods of test GB/T 19816.3-2005.
Determination of hardness (ISO 11125-3.1993, IDT)
Preparation of steel substrates before application of coatings - Test methods for metallic abrasives for blast cleaning - Part 4. Methods of test GB/T 19816.4-2005.
Determination of apparent density (ISO 11125-4.1993, IDT)
Preparation of steel substrates before application of paints and related products - Test methods for metallic abrasives for blast cleaning - Part 5. Methods of test GB/T 19816.5-2005.
Defective particle percentage and microstructure determination (ISO 11125-5.1993, IDT)
Preparation of steel substrates before application of paints and related products - Test methods for metallic abrasives for jet cleaning - Part 6. Methods of test GB/T 19816.6-2005.
Determination of foreign impurities (ISO 11125-6.1993, IDT)
Preparation of steel substrates before application of paints and related products - Test methods for metallic abrasives for jet cleaning - Part 7.
Water content determination (ISO 11125-7.1993, IDT)
ISO 9556.1989 steel and iron - Determination of the total carbon content Induction furnace oxidation after the infrared absorption method (Steelandiron-
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