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GB/T 37400.3-2019: Heavy mechanical general technical specification -- Part 3: Welding parts
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 37400.3-2019 | English | 428 |
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Heavy mechanical general technical specification -- Part 3: Welding parts
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GB/T 37400.3-2019
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Basic data | Standard ID | GB/T 37400.3-2019 (GB/T37400.3-2019) | | Description (Translated English) | Heavy mechanical general technical specification -- Part 3: Welding parts | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J04 | | Classification of International Standard | 25.010 | | Word Count Estimation | 30,326 | | Date of Issue | 2019-08-30 | | Date of Implementation | 2020-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37400.3-2019: Heavy mechanical general technical specification -- Part 3: Welding parts---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.
Heavy mechanical general technical specification - Part 3. Welding parts
ICS 25.010
J04
National Standards of People's Republic of China
General technical conditions for heavy machinery
Part 3. Welded parts
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 General requirements 1
4 Initial correction of steel 2
5 cutting 3
6 Forming and bending of steel 3
7 Welding assembly 3
8 welding 5
9 Welded structural parts machining allowance 12
10 inspection 12
11 pattern labeling 13
Appendix A (Normative) Forming and bending of steel 14
Appendix B (Normative) Guide to Quality Classification of Arc Welded Joint Defects for Steel 18
Appendix C (informative) Technical requirements for welded parts 25
Foreword
GB/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 third 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. Taiyuan Heavy Industry Co., Ltd., Changzhou Baoling Heavy Industry Machinery Co., Ltd., Qinhuangdao Qinye Heavy Industry Co., Ltd.,
MCC Shaanxi Pressure Heavy Industry Equipment Co., Ltd., Shanghai Electric Heavy Grinding Special Equipment Co., Ltd., North Heavy Industry Group Co., Ltd., China Heavy
Machinery Research Institute Co., Ltd., China Yizhong Group Co., Ltd., Erzhong (Deyang) Heavy Equipment Co., Ltd.
Drafters of this section. Hou Wenhui, Chai Junyi, Chen Qingyang, Zhang Yukun, Yang Xiaodong, Yan Ying, Kong Nianrong, Zhu Guomin, Wang Weifeng, Huang Jiarui,
Wu Dongjun, Wang Nai, Zhang Hui, Pu Yuefen, Zong Fangfang, Zhang Guoliang, Zhang Jianmin, Su Jing, Hui Xueliang, Wang Gang, Deng Tingyu.
General technical conditions for heavy machinery
Part 3. Welded parts
1 Scope
This part of GB/T 37400 specifies the technical requirements, inspection methods and designation of steel welded parts.
This section applies to the welding of steel welding parts for welding rod arc welding, gas shielded welding, submerged arc welding and argon arc welding in heavy machinery and parts.
Manufacturing.
2 Normative references
The 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 324 weld symbol notation
GB/T 985.1 Recommended groove for gas welding, electrode arc welding, gas shielded welding and high energy beam welding
GB/T 985.2 recommended groove for submerged arc welding
GB/T 3323 metal fusion welding joints radiography
GB/T 6417.1 metal fusion welding head defect classification and description
GB/T 11345 weld non-destructive testing ultrasonic testing technology, testing level and evaluation
GB/T 18591 Welding preheating temperature, inter-channel temperature and preheating maintenance temperature measurement guide
GB/T 18851.1 Non-destructive testing - Penetration testing - Part 1. General
GB/T 19418 Steel Arc Welding Tip Defect Quality Grading Guide
GB/T 25712 vibration aging process parameter selection and effect evaluation method
GB/T 26951 weld non-destructive testing magnetic particle testing
GB/T 26952 weld non-destructive testing weld magnetic particle inspection acceptance level
GB/T 26953 weld non-destructive testing weld penetration inspection acceptance level
GB/T 29712 weld non-destructive testing ultrasonic testing acceptance level
GB/T 37400.2 General technical requirements for heavy machinery - Part 2. Flame cutting parts
GB/T 37400.11 General technical requirements for heavy machinery - Part 11.
GB/T 37400.12 General technical conditions for heavy machinery - Part 12. Painting
JB/T 3223 Welding Material Quality Management Procedures
Post-weld heat treatment method for JB/T 6046 carbon steel and low alloy steel welded members
NB/T 47003.1 steel welded atmospheric pressure vessel
3 General requirements
3.1 The manufacture of welded parts shall be in accordance with the design drawings, technical documents and the provisions of this part.
3.2 The materials, specifications and dimensions of the raw materials used for the manufacture of welded parts shall comply with the requirements of the design drawings.
Proxy procedures.
3.3 When the raw materials and welding materials used for the manufacture of welded parts enter the factory, they shall comply with the “Incoming Rules for the Acceptance of Raw Materials in the Factory”, and the quality inspection department shall
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