GB/T 38958-2020 English PDFUS$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 38958-2020: Wrought aluminum alloy precision forging--Technological specification Status: Valid
Basic dataStandard ID: GB/T 38958-2020 (GB/T38958-2020)Description (Translated English): Wrought aluminum alloy precision forging--Technological specification Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J32 Classification of International Standard: 77.120.10 Word Count Estimation: 14,140 Date of Issue: 2020-07-21 Date of Implementation: 2021-02-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 38958-2020: Wrought aluminum alloy precision forging--Technological specification---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.Wrought aluminum alloy precision forging--Technological specification ICS 77.120.10 J32 National Standards of People's Republic of China Process specification for precision forging of wrought aluminum alloy 2020-07-21 released 2021-02-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee Table of contentsPreface Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Process preparation principle 1 5 Process design 5ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed and managed by the National Forging Standardization Technical Committee (SAC/TC74). Drafting organizations of this standard. Wuhu Hetian Automobile Industry Co., Ltd., Beijing Mechanical and Electrical Research Institute Co., Ltd., Jiangsu Pacific Precision Forging Technology Co., Ltd. Co., Ltd., Jiangsu Longcheng Precision Forging Co., Ltd., Hubei Sanhuan Forging Co., Ltd., Ningbo Snail Forging Co., Ltd., China Machinery Precision Forming Industry Technology Research Institute (Anhui) Co., Ltd. The main drafters of this standard. Pan Qijun, Hu Baili, Wei Wei, Jin Hong, Tao Liping, Tang Minjun, Zhang Yunjun, Wei Baijiang, Bian Yi, Zhou Hong, Zhou Lin, Liu Zhiqun, Sun Wei, Chen Tiantian, Xia Ning, Ding Jingen, Shi Zhiwen, Wang Xiaofei, Xing Tianxi, Yang Jie, Li Hang. Process specification for precision forging of wrought aluminum alloy1 ScopeThis standard specifies the process specifications for deformed aluminum alloy precision forgings (hereinafter referred to as "forgings"), including general rules, forging drawing design, and equipment selection Model, mold design, process design. This standard is applicable to the process preparation of deformed aluminum alloy precision forgings with a mass less than 15kg.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 1804-2000 General Tolerance Tolerance of linear and angular dimensions without tolerance GB/T 3191 Aluminum and aluminum alloy extruded bars GB/T 6519 Ultrasonic inspection method for deformed aluminum and magnesium alloy products GB/T 6892 General industrial aluminum and aluminum alloy extruded profiles GB/T 8541 Forging terminology GB/T 8545-2012 Dimensional deviation and machining allowance of aluminum and aluminum alloy die forgings GB/T 9452-2012 Method for measuring effective heating area of heat treatment furnace GB/T 18851 (all parts) Non-destructive testing Penetration testing GB/T 34359 General technical conditions for wrought aluminum alloy precision forgings JB/T 9177 Steel Die Forging Structural Elements YS/T 67 deformed aluminum and aluminum alloy round ingot YS/T 591 Deformed aluminum and aluminum alloy heat treatment3 Terms and definitionsThe following terms and definitions defined in GB/T 8541 apply to this document. 3.1 Hotbacktothefurnace During the forging process, the temperature of the blank is close to the final forging temperature. Forging should not be continued, and it needs to be reheated.4 Principles of process compilation4.1 General The general process preparation content should include forging drawing design, equipment selection, mold design, and process design. 4.2 Forging drawing design 4.2.1 Parting line The parting line should be able to ensure the continuous and complete flow line of the forging, and avoid eddy current, through-flow and end exposure. The parting line should be as shown in Figure 1a) and Figure 1b) ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 38958-2020_English be delivered?Answer: Upon your order, we will start to translate GB/T 38958-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 38958-2020_English with my colleagues?Answer: Yes. 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