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GB/T 37400.17-2022: Heavy mechanical general technical specification - Part 17: Repair welding for steel forging
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Heavy mechanical general technical specification - Part 17: Repair welding for steel forging
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GB/T 37400.17-2022
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Basic data | Standard ID | GB/T 37400.17-2022 (GB/T37400.17-2022) | | Description (Translated English) | Heavy mechanical general technical specification - Part 17: Repair welding for steel forging | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J04 | | Classification of International Standard | 25.010 | | Word Count Estimation | 15,120 | | Date of Issue | 2022-10-12 | | Date of Implementation | 2022-10-12 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37400.17-2022: Heavy mechanical general technical specification - Part 17: Repair welding for steel forging
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Heavy mechanical general technical specification - Part 17.Repair welding for steel forging
ICS 25.010
CCSJ04
National Standards of People's Republic of China
General Technical Conditions for Heavy Machinery
Part 17.Repair welding of steel forgings
Released on 2022-10-12
2022-10-12 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface I
Introduction II
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Repair welding defect scope 1
5 Repair welding technical requirements 2
6 Post-weld heat treatment 8
7 test 9
Appendix A (Normative) Supplementary Provisions on Preheating Temperature 10
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
This document is part 17 of GB/T 37400 "General Technical Conditions for Heavy Machinery". GB/T 37400 has issued the following parts.
--- Part 1.Product Inspection;
--- Part 2.Flame cut pieces;
--- Part 3.Weldments;
--- Part 4.Iron castings;
--- 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.Coating;
--- Part 13.Packaging;
--- Part 14.Non-destructive testing of steel castings;
--- Part 15.Non-destructive testing of steel forgings;
--- Part 16.Hydraulic system;
--- Part 17.Repair welding of steel forgings.
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed and managed by the National Metallurgical Equipment Standardization Technical Committee (SAC/TC409).
This document is drafted by. China Heavy Machinery Research Institute Co., Ltd., China First Heavy Industry Group Dalian Engineering Technology Co., Ltd., Erzhong (Deyang) Heavy Industry Co., Ltd.
Type Equipment Co., Ltd., Taiyuan Heavy Industry Co., Ltd., CITIC Heavy Industry Machinery Co., Ltd., Jinan Heavy Industry Co., Ltd., Shanghai Power
Air Heavy Grinding Special Equipment Co., Ltd., Dalian Huarui Heavy Industry Group Co., Ltd., North Heavy Industry Group Co., Ltd.
The main drafters of this document. Wu Liang, Wang Xia, Ren Yucheng, Qiu Mingjun, Li Xuemin, Lin Shaobin, Li Hao, Wang Shijie, Qu Xueyong, Gu Ruijie,
Xia Juan, Shi Gang, Yan Ying, Zhang Shengqi, Lu Qingliang, Wang Xiaobin, Jiang Hongtao, Li Weiwei, Wang Gang, Tan Jia, Ma Xiangzhi, Luan Shoucheng, Li Xingze.
Introduction
GB/T 37400 is not only widely used in metallurgy, mining, lifting, material handling, industrial vehicles and other industries, but also used in engineering
In the equipment manufacturing process of machinery, petrochemical, nuclear power, wind power, large aircraft, rail transit and other industries, it is the largest and medium-sized equipment manufacturing process in various industries in my country.
Important basic process standards.
GB/T 37400 is classified according to the main process stages in the manufacturing process of heavy machinery products, including material preparation, supporting inspection,
Cutting, assembly, painting, packaging, etc., thus constructing a relatively complete standard system, aiming to provide relevant production enterprises, business units
Positions, industry counterparts and departments provide the basis for design, manufacture, inspection and acceptance. GB/T 37400 is proposed to consist of 18 parts.
--- Part 1.Product Inspection. The purpose is to ensure the quality of the parts of the products undertaken by each unit, so as to finally ensure the quality of the whole machine.
volume requirements.
--- Part 2.Flame cut pieces. The purpose is to define, require, analyze the squareness and inclination tolerance, cutting surface quality and inspection.
Systematic supplementation and improvement of content such as levels and methods.
--- Part 3.Weldments. The purpose is to manufacture steel weldments for electrode arc welding, gas shielded welding, submerged arc welding and argon arc welding
Provide references.
--- Part 4.Iron castings. The purpose is to provide a reference for the design and manufacture of heavy machinery products.
--- Part 5.Non-ferrous metal castings. The purpose is for special purposes (such as the design of complex structures of heavy machinery and similar products)
design, manufacture) to provide a reference basis.
--- Part 6.Steel castings. The purpose is to optimize the judgment of impact absorption energy of steel castings, retest rules, and improve detection accuracy.
--- Part 7.Repair welding of steel castings. The purpose is to repair the welding process of defects in carbon steel, low alloy steel and high manganese steel castings before finishing
guide.
--- Part 8.Forgings. The purpose is to ensure the quality of important forgings in heavy machinery and improve the retest judgment rules.
--- Part 9.Machining parts. The purpose is to systematically and comprehensively put forward the technical requirements for cutting workpieces.
--- Part 10.Assembly. The purpose is to clarify the geometric tolerances of assembly components, assembly connection methods, typical component assembly, final assembly, inspection
And general technical requirements such as test run and disassembly.
--- Part 11.Piping. The purpose is to achieve oil lubrication, grease lubrication, hydraulic pressure, pneumatic and industrial water for different mechanical products
System piping.
--- Part 12.Coating. The purpose is to clarify the coating technical requirements and testing requirements for heavy machinery products and their parts.
--- Part 13.Packaging. The purpose is to clarify the packaging category, packaging materials, protection and fixing of goods, packaging
installation requirements and test methods.
--- Part 14.Non-destructive testing of steel castings. The purpose is to clarify the detection requirements for the welding repair area of steel castings, and provide users with corresponding
measurement methods and acceptance requirements.
--- Part 15.Non-destructive testing of steel forgings. The purpose is to clarify the detection requirements for the welding repair area of forged steel parts, and provide users with corresponding
measurement methods and acceptance requirements.
--- Part 16.Hydraulic system. The purpose is to provide the implementation of design, manufacture and inspection and acceptance for the hydraulic system of heavy machinery and equipment
basis.
--- Part 17.Repair welding of steel forgings. The purpose is to carry out repair welding process for defects of carbon structural steel and alloy structural steel before finishing
guide.
--- Part 18.Open gear transmission system. The purpose is to provide technical guidance for the manufacture, installation, commissioning, operation and maintenance of open gears,
Make it run stably and reliably.
General Technical Conditions for Heavy Machinery
Part 17.Repair welding of steel forgings
1 Scope
This document specifies the scope of repair welding defects of forged steel parts, technical requirements for repair welding, post-weld heat treatment and inspection.
This document is applicable to repair welding of defects in carbon structural steel and alloy structural steel forgings listed in Table 1.
This document does not apply to repair welding of forgings that require surface quenching after welding or are in the surface quenched state.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. dated citations
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 699 High Quality Carbon Structural Steel
GB/T 3077 Alloy structural steel
GB/T 5117 Non-alloy steel and fine grain steel welding rod
GB/T 5118 heat-strength steel welding rod
GB/T 8110 Non-alloy steel and fine-grain steel solid wire for gas-shielded arc welding
GB/T 10045 non-alloy steel and fine-grain steel flux-cored welding wire
GB/T 17493 Flux-cored welding wire for heat-strength steel
GB/T 19869.1 Welding procedure qualification test for steel, nickel and nickel alloys
GB/T 32533 High Strength Steel Welding Rod
GB/T 33083 Technical conditions for large carbon structural steel forgings
GB/T 33084 Technical conditions for large alloy structural steel forgings
GB/T 36233 Flux-cored welding wire for high-strength steel
GB/T 39255 Shielding gas for welding and cutting
GB/T 39279 Heat-strength steel solid wire for gas shielded arc welding
GB/T 39280 Non-alloy steel and fine grain steel solid wire for tungsten inert gas shielded arc welding
GB/T 39281 High-strength steel solid wire for gas shielded arc welding
JB/T 3223 Welding material quality management regulations
NB/T 47014 Welding procedure qualification for pressure equipment
3 Terms and Definitions
This document does not have terms and definitions that need to be defined.
4 Scope of repair welding defects
4.1 Defects that should be repaired. Defects that exceed the size tolerance of the design drawing, exceed the allowable size of the defect, and are not allowed to exist. for defective
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