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GB/T 37786-2019: Gear steel for numerical control machine tool
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 37786-2019 | English | 359 |
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Gear steel for numerical control machine tool
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GB/T 37786-2019
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Basic data | Standard ID | GB/T 37786-2019 (GB/T37786-2019) | | Description (Translated English) | Gear steel for numerical control machine tool | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H44 | | Classification of International Standard | 77.140.60 | | Word Count Estimation | 18,164 | | Date of Issue | 2019-08-30 | | Date of Implementation | 2020-07-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37786-2019: Gear steel for numerical control machine tool---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.
Gear steel for numerical control machine tool
ICS 77.140.60
H44
National Standards of People's Republic of China
Gear steel for CNC machine tools
Published on.2019-08-30
2020-07-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Iron and Steel Association.
This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
This standard was drafted. Iron and Steel Research Institute, Jiangyin Xingcheng Special Steel Co., Ltd., Shandong Iron and Steel Co., Ltd. Laiwu Branch,
Metallurgical Industry Information Standards Institute, Baowu Special Metallurgy Co., Ltd., Maanshan Iron and Steel Co., Ltd., Pangang Group Jiangyou Great Wall Special
Steel Co., Ltd., Zhongqi Qishuyan Locomotive and Rolling Vehicle Technology Research Institute Co., Ltd., Xiwang Metal Technology Co., Ltd., Beijing Jiaotong University.
The main drafters of this standard. Yan Wenchao, Yan Yuming, Baiyun, Wang Middle School, Gu Xiong, Hu Fangzhong, Li Guo, Wen Chao, Zhang Jian, Sun Hongping, Zhang Lingtong,
Hui Weijun, Wang Xinhe.
Gear steel for CNC machine tools
1 Scope
This standard specifies the ordering content, classification and code, size, shape, weight, technical requirements and test methods of the steel bars for CNC machine tools.
Law, inspection rules, packaging, signs and quality certificates.
This standard is applicable to the manufacture of hot-rolled or hot-forged alloy structural steel round steel and square steel (hereinafter referred to as "steel") for CNC machine tools.
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.
Permissible deviation of chemical composition of finished products of GB/T 222 steel
GB/T 223.3 Methods for chemical analysis of steels and alloys - Determination of phosphorus content by diantipyrine methane phosphomolybdate gravimetric method
GB/T 223.11 Determination of chromium content in steels and alloys - either titration or potentiometric titration
GB/T 223.19 Methods for chemical analysis of steels and alloys - s.
GB/T 223.23 Determination of nickel content in steels and alloys - succinimide spectrophotometric method
GB/T 223.26 Determination of molybdenum content of steels and alloys - thiocyanate spectrophotometric method
GB/T 223.60 Steel and alloys - Determination of silicon content by perchloric acid dehydration gravimetric method
GB/T 223.64 Determination of manganese content in steels and alloys - Flame atomic absorption spectrometry
GB/T 223.68 Steel and alloy chemical analysis method - Determination of sulfur content by potassium iodate titration after combustion in tubular furnace
GB/T 223.69 Determination of carbon content of steel and alloys
GB/T 223.79 Determination of multi-element content of iron and steel by X-ray fluorescence spectrometry (conventional method)
End quenching test method for hardenability of GB/T 225 steel (Jominy test)
Low-magnification structure and defect acid etching test method for GB/T 226 steel
GB/T 228.1 tensile testing of metallic materials - Part 1
GB/T 229 metal material Charpy pendulum impact test method
GB/T 231.1 Brinell hardness test for metallic materials - Part 1. Test methods
GB/T 702 hot rolled steel bar size, shape, weight and tolerance
GB/T 908 forged steel bar size, shape, weight and tolerance
GB/T 1979 structural steel low-fold tissue defect rating map
General provisions for GB/T 2101 steel acceptance, packaging, marking and quality certificates
GB/T 2975-2018 Steel and steel products, mechanical properties test sampling position and sample preparation
GB/T 4162 forging steel bar ultrasonic testing method
GB/T 4336 Determination of multi-element content of carbon steel and medium-low alloy steels by spark discharge atomic emission spectrometry (conventional method)
GB/T 5216 guarantees hardenable structural steel
GB/T 6394 method for determination of average grain size of metals
Low-defect ultrasonic inspection method for GB/T 7736 steel
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