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GB/T 38917-2020: High temperature titanium alloy bars for aerospace
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 38917-2020 | English | 189 |
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High temperature titanium alloy bars for aerospace
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GB/T 38917-2020
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Basic data | Standard ID | GB/T 38917-2020 (GB/T38917-2020) | | Description (Translated English) | High temperature titanium alloy bars for aerospace | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H64 | | Classification of International Standard | 77.150.50 | | Word Count Estimation | 10,128 | | Date of Issue | 2020-06-02 | | Date of Implementation | 2021-04-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38917-2020: High temperature titanium alloy bars for aerospace---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.
High temperature titanium alloy bars for aerospace
ICS 77.150.50
H64
National Standards of People's Republic of China
High temperature titanium alloy bar for aerospace
2020-06-02 release
2021-04-01 Implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by China Nonferrous Metals Industry Association.
This standard is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243).
This standard was drafted by. Baotai Titanium Group Co., Ltd., Baoji Titanium Industry Co., Ltd., Nonferrous Metal Technology and Economic Research Institute, China Aviation Development Corporation
Shenyang Liming Aero Engine Co., Ltd., Institute of Metal Research, Chinese Academy of Sciences, AVIC Shen Fei Civil Aircraft Co., Ltd., Baowute
Kinds of Metallurgy Co., Ltd., Hunan Jintian Titanium Industry Technology Co., Ltd.
The main drafters of this standard. Hu Zhijie, Xie Chen, Ma Zhongxian, Feng Junning, Chen Binggang, Zhang Jiangfeng, Bai Zhihui, He Shulin, Li Wei, Lv Jingjing,
Zhu Shaoxiang, Min Xinhua, Sun Pantao, Fan Kai, Zhang Jiao, Feng Yongqi, Gao Qi, Jia Shuanxiao.
High temperature titanium alloy bar for aerospace
1 Scope
This standard specifies the technical requirements, test methods, inspection rules and signs, packaging, transportation and storage of high-temperature titanium alloy bars for aerospace
Deposit and quality certificate and order form (or contract) content.
This standard applies to high-temperature titanium alloy round bars (hereinafter referred to as bars) produced by hot forging and hot rolling methods.
2 Normative references
The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 228.1-2010 Metallic materials tensile test Part 1.Room temperature test method
GB/T 228.2 Tensile test of metallic materials Part 2.High temperature test method
GB/T 2039-1997 Metal tensile creep and endurance test method
GB/T 3620.1 Titanium and titanium alloy grades and chemical composition
GB/T 3620.2 Allowable deviation of chemical composition of titanium and titanium alloy processed products
GB/T 4698 (all parts) Methods for chemical analysis of sponge titanium, titanium and titanium alloys
GB/T 5168 Titanium and titanium alloy high and low magnification structure inspection method
GB/T 5193 Ultrasonic inspection method of titanium and titanium alloy processed products
GB/T 8180 Packaging, marking, transportation and storage of titanium and titanium alloy processed products
GB/T 23605 Titanium alloy beta transformation temperature determination method
YS/T 1262 Sponge titanium, titanium and titanium alloy chemical analysis method Determination of multi-element content Inductively coupled plasma atomic emission
Spectroscopy
3 Technical requirements
3.1 Materials
3.1.1 The ingot used for bar production should be smelted at least twice, and the last time should be smelted by vacuum consumable arc furnace. Can be consumed for the first time
Electrode, electron beam cold bed furnace or plasma beam cold bed furnace smelting. No elements are allowed to be added during the last smelting.
3.1.2 The consumable electrode should not be welded by TIG welding.
3.2 Brand, status and specifications
The grade, status and specifications of the bar shall meet the requirements of Table 1.
3.3 Chemical composition
3.3.1 The chemical composition of the bar shall comply with the provisions of GB/T 3620.1.
3.3.2 When the buyer takes a sample from the bar for re-examination of the chemical composition, the allowable deviation of the chemical composition shall comply with the provisions of GB/T 3620.2.
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