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Mufti-way precision die forgings -- General specification
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Basic data
| Standard ID | GB/T 33879-2017 (GB/T33879-2017) |
| Description (Translated English) | Mufti-way precision die forgings -- General specification |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | J32 |
| Classification of International Standard | 77.140.85 |
| Word Count Estimation | 7,778 |
| Date of Issue | 2017-07-12 |
| Date of Implementation | 2018-02-01 |
| Quoted Standard | GB/T 223.11; GB/T 223.12; GB/T 223.13; GB/T 223.14; GB/T 223.16; GB/T 223.17; GB/T 223.18; GB/T 223.19; GB/T 223.20; GB/T 223.21; GB/T 223.22; GB/T 223.23; GB/T 223.25; GB/T 223.26; GB/T 223.28; GB/T 223.29; GB/T 223.30; GB/T 223.31; GB/T 223.3; GB/T 223. |
| 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 technical requirements, test methods, inspection rules, signs, labels and accompanying documents, packaging, transportation and storage of multi-direction precision die forgings (hereinafter referred to as "forgings"). This standard applies to the use of precision molds, multi-directional die forging production of multi-directional precision die forging. |
GB/T 33879-2017: Mufti-way precision die forgings -- General specification
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Mufti-way precision die forgings. General specification
ICS 77.140.85
J32
National Standards of People's Republic of China
Multi-directional precision forgings general technical conditions
2017-07-12 Posted
2018-02-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard by the National Standardization Technical Committee forging (SAC/TC74) and focal point.
This standard drafting unit. China 22 Metallurgical Group Co., Ltd., 22 Metallurgical Group Precision Forging Co., Ltd., Beijing Institute of Electrical and Mechanical Services.
The main drafters of this standard.Wan Yi Ming, Li Mingquan, Li Jingsheng, Zhou Lin, Song Changzhe, Zhao Wencheng, Dai Yong, Jin Hong, Chen Wenjing, Wei Wei.
Multi-directional precision forgings general technical conditions
1 Scope
This standard specifies the technical requirements, test methods, inspection rules, signs, labels
Document, package, transport and store.
This standard applies to the use of precision molds, multi-direction forging production of multi-directional precision forgings.
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.
GB/T 223 (all sections) - Methods for chemical analysis of iron, steel and alloy
GB/T 228.1 tensile testing of metallic materials - Part 1. room temperature test method
GB/T 229 Charpy pendulum impact test method for metallic materials
GB/T 231.1 Brinell hardness test of metallic materials - Part 1. Test methods
GB/T 699 high-quality carbon structural steel
GB/T 700 carbon structural steel
GB/T 1220 stainless steel rod
GB/T 3077 alloy structural steel
GB/T 4334 metals and alloys corrosion of stainless steel intergranular corrosion test methods
GB/T 6394 metal average grain size determination
GB/T 6402 steel forgings ultrasonic testing methods
GB/T 8541 forging terminology
GB/T 12228 common valve carbon steel forgings technical conditions
GB/T 12361 steel forgings general technical conditions
GB/T 12362 steel forgings tolerances and machining allowances
3 Terms and definitions
GB/T 8541 defined and the following terms and definitions apply to this document.
3.1
Multi-directional precision die forging multi-wayprecisiondieforgings
In the process temperature range, through special molds, using multi-directional forging technology to obtain high precision, precision products to meet the requirements of the forgings.
4 technical requirements
4.1 raw materials
4.1.1 The raw materials selected forgings shall comply with the requirements of GB/T 699, GB/T 700, GB/T 1220, GB/T 3077 or GB/T 12228
Provisions, but also the supplier and the buyer can also choose to determine the raw materials. Technical requirements of raw materials should be indicated in the technical agreement or contract.
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