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GB/T 12363-2021: Classification of forging functions Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 12363: Historical versions
Similar standardsGB/T 12363-2021: Classification of forging functions---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT12363-2021GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.85 CCS J 32 Replacing GB/T 12363-2005 Classification of Forging Functions ISSUED ON: MAY 21, 2021 IMPLEMENTED ON: DECEMBER 01, 2021 Issued by: State Administration for Market Regulation; Standardization Administration of PRC. Table of ContentsForeword ... 3 1 Scope ... 5 2 Normative References ... 5 3 Terms and Definitions ... 6 4 Basic Requirements for Classification of Forging Functions ... 6 5 Methods for Classification of Forging Functions ... 6 6 Technical Conditions, Process Requirements and Acceptance Basis for Various Forgings ... 7 Classification of Forging Functions1 ScopeThis Document specifies the basic requirements and methods for the classification of forging functions, as well as the technical conditions, process requirements and acceptance basis for various forgings. This Document is applicable to metal free forgings, die forgings and special forgings.2 Normative ReferencesThe following documents are essential to the application of this Document. For the dated documents, only the versions with the dates indicated are applicable to this Document; for the undated documents, only the latest version (including all the amendments) is applicable to this Document. GB/T 8541 Terminology of Forging and Stamping GB/T 8545 Die Forgings of Aluminium and Aluminium Alloy - Dimensional Tolerance and Machining Allowance GB/T 12361 General Specification of Steel Die Forgings GB/T 12362 Steel Die Forgings – Tolerance and Machining Allowance GB/T 25137 Titanium and Titanium Alloy Forgings GB/T 26639 General Specifications for Open Die Forgings on Hydraulic Press GB/T 29532 General Specification for Steel Precision Hot Die Forgings GB/T 32249 Aluminium and Aluminium-Alloy Die Forgings, Hand Forgings and Rolled Ring Forgings - General Specification GB/T 32258 Steel Cross Wedge Rollings - General Specification GB/T 33212 Steel Open Die Forgings on Hammer - General Specifications The prat that is used to withstand a fixed load, but are not subject to shock and vibration working conditions. Damage to such parts shall only cause partial failure of the product. 5.2.4 Class-IV forgings The part that is used to withstand low load, low strength requirement and high safety factor; and other forgings other than the above three categories. 6 Technical Conditions, Process Requirements and Acceptance Basis for Various Forgings 6.1 Technical conditions The classification of forgings can be related to the advance planning of forgings, the failure mode of forgings and the input and control that influence the analysis. After the classification of forgings, different categories of forgings shall be treated differently in terms of technical process requirements, quality control, and production management. 6.2 Process requirements 6.2.1 Various forgings shall be prepared the corresponding process specifications and forging processes during the design of the forging process against the different forgings in the fields of with low or no oxidation heating, heating temperature control and sorting, metal deformation process methods, consistency of the forging process, reasonable selection of equipment, and final forging temperature control, etc.; meanwhile it shall comply with the provisions of GB/T 8545, GB/T 12361, GB/T 12362, GB/T 25137, GB/T 26639, GB/T 29532, GB/T 32249, GB/T 32258, GB /T 33212, etc. 6.2.2 The heating of various forgings blanks shall be equipped with separation devices for the qualified, over-temperature, and under-temperature process; and over-burned parts shall be rejected as waste. Among them, the number of repeated heating for Class-I and Class-II forgings shall not exceed twice. 6.2.3 Class-I and Class-II forgings shall have traceability marks, which shall be incorporated into security parts and important parts for management and control. Raw material suppliers shall conduct supplier management. Products shall be verified when developing new suppliers to ensure the stable and reliable quality of the materials. The changes in forging production line and process shall be verified and approved; and the inspection items involving intrinsic quality shall be randomly checked for no less than 1 piece per batch. The process and inspection records shall be kept for at least three years. When the purchaser has special requirements, the quality records shall be kept for the period that shall meet requirements of the contract between the supplier and ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 12363-2021 be delivered?Answer: The full copy PDF of English version of GB/T 12363-2021 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 12363-2021_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 12363-2021_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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