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GB/T 29534-2013: General specifications of combined warm-cold forging parts
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29534-2013 | English | 88 |
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General specifications of combined warm-cold forging parts
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GB/T 29534-2013
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Basic data | Standard ID | GB/T 29534-2013 (GB/T29534-2013) | | Description (Translated English) | General specifications of combined warm-cold forging parts | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J32 | | Classification of International Standard | 77.140.85 | | Word Count Estimation | 5,510 | | Quoted Standard | GB/T 699; GB/T 700; GB/T 1220; GB/T 1591; GB/T 2828.1; GB/T 3077; GB/T 5216; GB/T 6478; JB/T 9180.1 | | Regulation (derived from) | National Standards Bulletin 2013 No. 9 | | 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 temperature and moisture regain of cotton and chemical fiber spinning, blended gray fabric breaking strength of the correction method, and gives the different conditions of temperature and moisture regain breaking strength of t | GB/T 29534-2013: General specifications of combined warm-cold forging 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.
General specifications of combined warm-cold forging parts
ICS 77.140.85
J32
National Standards of People's Republic of China
Warm forging forging forging forming joint general technical conditions
Issued on. 2013-06-09
2014-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the National Standardization Technical Committee Forging (SAC/TC74) and focal points.
This standard was drafted. Shanghai Jiaotong University, Jiangsu Pacific Precision Forging Technology Co., Ltd., Jiangsu Sunway Precision Forging Co., Ltd., Beijing
Inst.
The main drafters of this standard. Zhao Zhen, Zhuang Village, Dong Yi, Huang Zepei, Xu Xianglong, Gong Aijun, red and gold, Wei Wei.
Warm forging forging forging forming joint general technical conditions
1 Scope
This standard specifies the warm forging forging forging joint forming (hereinafter referred to as "forging") technical requirements, inspection rules and delivery conditions.
This standard applies to steel forgings warm forging cold forging joint forming.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 699 high-quality carbon structural steel
GB/T 700 carbon structural steel
GB/T 1220 stainless steel rods
GB/T 1591 high strength low alloy structural steel
GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan
GB/T 3077 alloy steel
GB/T 5216 guaranteed hardenability structural steel
GB/T 6478 steel for cold heading and cold extrusion
JB/T 9180.1 steel cold extrusion tolerances
3 Technical requirements
3.1 raw materials
3.1.1 Forgings selected raw materials shall comply with GB/T 699, GB/T 700, GB/T 1220, GB/T 1591, GB/T 3077,
GB/T 5216, the provisions of GB/T 6478, and we can use the raw materials supplier and customer agreed material.
3.1.2 Quality of raw materials should be forging a pledge to comply with the technical requirements of the material. Forging into the needs of customers, the company shall
Line reinspection.
3.1.3 According to the forging surface quality requirements, the raw materials needed to decide whether the peeling process.
3.2 After forging temperature before forging heat treatment requirements
3.2.1 After forging temperature before forging generally respond workpiece heat treatment, heat treatment process generally includes annealing, normalizing, isothermal normalizing, cooling temperature
And quenched.
3.2.2 After forging temperature before forging should normally be small, non-oxidizing atmosphere in the annealing heat treatment of the workpiece.
3.3 forging shape and size
Forgings shall conform to the shape and size forging drawing and technical documents. Forging cold forming Tolerances shall comply with JB/T 9180.1
Provisions; if there are special requirements, by a forging supplier and customer consultation.
3.4 forging quality requirements
3.4.1 surface quality forgings shall comply with forging graph, no cracks, folds and other defects.
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