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GB/T 37400.14-2019: Heavy mechanical general technical specification -- Part 14: Nondestructive test of steel castings Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 37400.14-2019: Heavy mechanical general technical specification -- Part 14: Nondestructive test of steel castings---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT37400.14-2019 (General technical requirements for heavy machinery - Part 14. Non-destructive testing of steel castings) ICS 25.010 J04 National Standards of People's Republic of China General technical conditions for heavy machinery Part 14. Non-destructive testing of steel castings Heavymechanicalgeneraltechnicalspecification- Part 14. Nondestructivetestofsteelcastings Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issued Content Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 3.1 Ultrasonic testing 2 3.2 Radiation detection 2 3.3 Infiltration, magnetic particle testing 3 4 General requirements 3 4.1 General 3 4.2 Detection File 4 4.3 Testers 4 5 Steel casting ultrasonic testing 4 5.1 Contents that should be clearly stated when ordering 4 5.2 Preparation of the tested castings 4 5.3 Detection System 5 5.4 Calibration of the detector 6 5.5 Confirmation of ultrasonic detectability 6 5.6 Detection 7 5.7 Defect Analysis 9 5.8 Defect size determination 9 5.9 Quality Level 12 5.10 Test Report 13 6 Steel castings ray inspection 14 6.1 Contents that should be clear before testing 14 6.2 Image quality level 14 6.3 Equipment and equipment 14 6.4 Transillumination method 16 6.5 Film quality requirements 21 6.6 Film observation 21 6.7 Scattering line shield 22 6.8 Defect Image Quality Rating Method 22 6.9 Test report 25 7 Steel casting penetration test 26 7.1 What should be clear before testing 26 7.2 Safety protection 26 7.3 Testing requirements 26 7.4 Testing materials and sensitivity 27 7.5 Detection process 28 7.6 Ratings and quality levels shown 31 7.7 Test Report 32 8 steel casting magnetic particle detection 32 8.1 Contents that should be clear before testing 32 8.2 Security 32 8.3 Method Overview 32 8.4 Surface condition and surface preparation 32 8.5 Equipment and equipment 33 8.6 Magnetization method 33 8.7 Current Type 34 8.8 Magnetic field direction and effective area 34 8.9 Magnetization Verification 35 8.10 Magnetic particle detection operation 36 8.11 Observation conditions 36 8.12 Demagnetization 36 8.13 Ratings and quality levels shown 37 8.14 Test report 37 Appendix A (Normative) Inspection of the repaired zone 39 Appendix B (informative) Transmission correction and attenuation factor 41 Appendix C (informative) DGS (AVG) curve application 43 Appendix D (Normative) Common Sensitivity Test Strips (Block) 46 ForewordGB/T 37400 "General Technical Conditions for Heavy Machinery" is divided into 16 parts. --- Part 1. Product inspection; --- Part 2. Flame cutting parts; ---Part 3. Welded parts; ---Part 4. Cast iron parts; ---Part 5. Non-ferrous metal castings; ---Part 6. Steel castings; ---Part 7. Repair welding of steel castings; ---Part 8. Forgings; ---Part 9. Machining parts; --- Part 10. Assembly; --- Part 11. piping; --- Part 12. Painting; --- Part 13. Packaging; ---Part 14. Non-destructive testing of steel castings; ---Part 15. Non-destructive testing of forged steel parts; --- Part 16. Hydraulic system. This part is the 14th part of GB/T 37400. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part is proposed and managed by the National Technical Committee for Metallurgical Equipment Standardization (SAC/TC409). This section drafted by. Erzhong (Deyang) Heavy Equipment Co., Ltd., Taiyuan Heavy Industry Co., Ltd., China Metallurgical Shaanxi Heavy Industry Equipment Co., Ltd. Company, China Heavy Machinery Research Institute Co., Ltd., China Yizhong Group Co., Ltd. The main drafters of this section. Zhou Cheng, Shao Yimin, Su Jing, Zhang Guangyong, Xu Changqing, Fan Yuke, Yan Ying, Yan Lifeng, Zhang Hui, Zhang Lin. General technical conditions for heavy machinery Part 14. Non-destructive testing of steel castings1 ScopeThis part of GB/T 37400 specifies non-destructive testing methods for ultrasonic testing, ray inspection, penetration testing and magnetic particle testing of steel castings. Law, general requirements and their corresponding quality levels. This section applies to. --- Ultrasonic testing of A-type pulse reflection method for heat-treated alloys and non-alloyed ferritic steel castings with thickness ≤600mm. For thick Castings with a degree >600mm, if not otherwise specified, can also be referred to; --- Radiation detection of steel castings with thickness ≥ 5mm; --- Magnetic particle detection of surface and near surface defects of ferromagnetic steel castings; --- Penetration detection of open defects on the surface of steel castings; --- Magnetic particle detection and penetration detection at the defect excavation. This section does not apply to ultrasonic testing of austenitic steel castings.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 5097 Non-destructive testing for penetration testing and magnetic particle testing conditions GB/T 9445 Non-destructive testing personnel qualification and certification GB/T 12604.1 Non-destructive testing terminology ultrasonic testing GB/T 12604.2 Non-destructive testing term radiographic testing GB/T 12604.3 Non-destructive testing terminology penetration test GB/T 12604.5 Non-destructive testing terminology magnetic particle testing GB 12664 Portable X-ray Safety Inspection Equipment General Specification GB/T 14058 γ-ray flaw detector GB/T 15822.1 Non-destructive testing - Magnetic particle testing - Part 1. General GB/T 15822.2 Non-destructive testing - Magnetic particle testing - Part 2 GB/T 15822.3 Non-destructive testing - Magnetic particle testing - Part 3 GB/T 18851.2 Non-destructive testing - Part 2. Examination of osmotic materials GB/T 18851.3-2008 Non-destructive testing - Penetration testing - Part 3. Reference test blocks GB/T 18851.4 Non-destructive testing - Penetration testing - Part 4. Equipment GB/T 18851.5 Non-destructive testing - Penetration testing - Part 5. Penetration testing at temperatures above 50 ° C GB/T 18851.6 Non-destructive testing - Penetration testing - Part 6. Penetration testing at temperatures below 10 ° C Non-destructive testing - Industrial radiographic film - Part 1. Classification of industrial radiographic film systems GB/T 19799.1-2015 Non-destructive testing Ultrasonic testing No. 1 calibration test block GB/T 19799.2-2012 Non-destructive testing Ultrasonic testing No. 2 calibration test block GB/T 19802 Non-destructive testing industrial radiography viewing lamps minimum requirements GB/T 37400.14-2019 (General technical requirements for heavy machinery - Part 14. Non-destructive testing of steel castings) ICS 25.010 J04 National Standards of People's Republic of China General technical conditions for heavy machinery Part 14. Non-destructive testing of steel castings Heavymechanicalgeneraltechnicalspecification- Part 14. Nondestructivetestofsteelcastings Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issued Content Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 3.1 Ultrasonic testing 2 3.2 Radiation detection 2 3.3 Infiltration, magnetic particle testing 3 4 General requirements 3 4.1 General 3 4.2 Detection File 4 4.3 Testers 4 5 Steel casting ultrasonic testing 4 5.1 Contents that should be clearly stated when ordering 4 5.2 Preparation of the tested castings 4 5.3 Detection System 5 5.4 Calibration of the detector 6 5.5 Confirmation of ultrasonic detectability 6 5.6 Detection 7 5.7 Defect Analysis 9 5.8 Defect size determination 9 5.9 Quality Level 12 5.10 Test Report 13 6 Steel castings ray inspection 14 6.1 Contents that should be clear before testing 14 6.2 Image quality level 14 6.3 Equipment and equipment 14 6.4 Transillumination method 16 6.5 Film quality requirements 21 6.6 Film observation 21 6.7 Scattering line shield 22 6.8 Defect Image Quality Rating Method 22 6.9 Test report 25 7 Steel casting penetration test 26 7.1 What should be clear before testing 26 7.2 Safety protection 26 7.3 Testing requirements 26 7.4 Testing materials and sensitivity 27 7.5 Detection process 28 7.6 Ratings and quality levels shown 31 7.7 Test Report 32 8 steel casting magnetic particle detection 32 8.1 Contents that should be clear before testing 32 8.2 Security 32 8.3 Method Overview 32 8.4 Surface condition and surface preparation 32 8.5 Equipment and equipment 33 8.6 Magnetization method 33 8.7 Current Type 34 8.8 Magnetic field direction and effective area 34 8.9 Magnetization Verification 35 8.10 Magnetic particle detection operation 36 8.11 Observation conditions 36 8.12 Demagnetization 36 8.13 Ratings and quality levels shown 37 8.14 Test report 37 Appendix A (Normative) Inspection of the repaired zone 39 Appendix B (informative) Transmission correction and attenuation factor 41 Appendix C (informative) DGS (AVG) curve application 43 Appendix D (Normative) Common Sensitivity Test Strips (Block) 46ForewordGB/T 37400 "General Technical Conditions for Heavy Machinery" is divided into 16 parts. --- Part 1. Product inspection; --- Part 2. Flame cutting parts; ---Part 3. Welded parts; ---Part 4. Cast iron parts; ---Part 5. Non-ferrous metal castings; ---Part 6. Steel castings; ---Part 7. Repair welding of steel castings; ---Part 8. Forgings; ---Part 9. Machining parts; --- Part 10. Assembly; --- Part 11. piping; --- Part 12. Painting; --- Part 13. Packaging; ---Part 14. Non-destructive testing of steel castings; ---Part 15. Non-destructive testing of forged steel parts; --- Part 16. Hydraulic system. This part is the 14th part of GB/T 37400. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part is proposed and managed by the National Technical Committee for Metallurgical Equipment Standardization (SAC/TC409). This section drafted by. Erzhong (Deyang) Heavy Equipment Co., Ltd., Taiyuan Heavy Industry Co., Ltd., China Metallurgical Shaanxi Heavy Industry Equipment Co., Ltd. Company, China Heavy Machinery Research Institute Co., Ltd., China Yizhong Group Co., Ltd. The main drafters of this section. Zhou Cheng, Shao Yimin, Su Jing, Zhang Guangyong, Xu Changqing, Fan Yuke, Yan Ying, Yan Lifeng, Zhang Hui, Zhang Lin. General technical conditions for heavy machinery Part 14. Non-destructive testing of steel castings1 ScopeThis part of GB/T 37400 specifies non-destructive testing methods for ultrasonic testing, ray inspection, penetration testing and magnetic particle testing of steel castings. Law, general requirements and their corresponding quality levels. This section applies to. --- Ultrasonic testing of A-type pulse reflection method for heat-treated alloys and non-alloyed ferritic steel castings with thickness ≤600mm. For thick Castings with a degree >600mm, if not otherwise specified, can also be referred to; --- Radiation detection of steel castings with thickness ≥ 5mm; --- Magnetic particle detection of surface and near surface defects of ferromagnetic steel castings; --- Penetration detection of open defects on the surface of steel castings; --- Magnetic particle detection and penetration detection at the defect excavation. This section does not apply to ultrasonic testing of austenitic steel castings.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 5097 Non-destructive testing for penetration testing and magnetic particle testing conditions GB/T 9445 Non-destructive testing personnel qualification and certification GB/T 12604.1 Non-destructive testing terminology ultrasonic testing GB/T 12604.2 Non-destructive testing term radiographic testing GB/T 12604.3 Non-destructive testing terminology penetration test GB/T 12604.5 Non-destructive testing terminology magnetic particle testing GB 12664 Portable X-ray Safety Inspection Equipment General Specification GB/T 14058 γ-ray flaw detector GB/T 15822.1 Non-destructive testing - Magnetic particle testing - Part 1. General GB/T 15822.2 Non-destructive testing - Magnetic particle testing - Part 2 GB/T 15822.3 Non-destructive testing - Magnetic particle testing - Part 3 GB/T 18851.2 Non-destructive testing - Part 2. Examination of osmotic materials GB/T 18851.3-2008 Non-destructive testing - Penetration testing - Part 3. Reference test blocks GB/T 18851.4 Non-destructive testing - Penetration testing - Part 4. Equipment GB/T 18851.5 Non-destructive testing - Penetration testing - Part 5. Penetration testing at temperatures above 50 ° C GB/T 18851.6 Non-destructive testing - Penetration testing - Part 6. Penetration testing at temperatures below 10 ° C Non-destructive testing - Industrial radiographic film - Part 1. Classification of industrial radiographic film systems GB/T 19799.1-2015 Non-destructive testing Ultrasonic testing No. 1 calibration test block GB/T 19799.2-2012 Non-destructive testing Ultrasonic testing No. 2 calibration test block GB/T 19802 Non-destructive testing industrial radiography viewing lamps minimum requirements ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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