GB/T 14996-2025 English PDFGB/T 14996: Historical versions
Basic dataStandard ID: GB/T 14996-2025 (GB/T14996-2025)Description (Translated English): Wrought superalloy - Cold-rolled sheets and strips Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H57 Classification of International Standard: 77.140.99 Word Count Estimation: 25,244 Date of Issue: 2025-08-29 Date of Implementation: 2026-03-01 Older Standard (superseded by this standard): GB/T 14996-2010, GB/T 25827-2010 Issuing agency(ies): State Administration for Market Regulation; Standardization Administration of China GB/T 14996-2025: Wrought superalloy - Cold-rolled sheets and strips---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/GBT14996-2025ICS 77.140.99 CCSH57 National Standards of the People's Republic of China Replaces GB/T 14996-2010 and GB/T 25827-2010 Deformed high-temperature alloy cold-rolled sheet and strip Implemented on 2026-03-01 State Administration for Market Regulation The State Administration for Standardization issued a statement. ForewordThis document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document supersedes GB/T 14996-2010 "High Temperature Alloy Cold Rolled Sheet" and GB/T 25827-2010 "General Purpose of High Temperature Alloy Sheet (Strip) Materials". Technical Requirements. This document is based on GB/T 14996-2010 and incorporates content from GB/T 25827-2010.This document and... Compared with GB/T 14996-2010, apart from structural adjustments and editorial changes, the main technical changes are as follows. a) Added GH1140, GH2132, GH3030, GH3039, GH3044, GH3536, GH3625, GH4145, and GH4169. and 10 high-temperature alloy grades of cold-rolled strip, including GH5188, and related technical requirements (see Chapter 6); b) The recommended lower limit of the heat treatment temperature for solution treatment delivery of GH3128 alloy plates has been changed (see 6.2, Table 5 of the.2010 edition); c) The technical requirements for dimensions and shape have been changed (see 6.8, Chapter 4 of the.2010 edition); d) The test methods for chemical components have been changed (see 7.1, Table 10 of the.2010 edition); e) The judgment and re-verification rules have been changed (see 8.4, 7.4 in the.2010 version). Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the China Iron and Steel Association. This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This document was drafted by. Fushun Special Steel Co., Ltd., Beijing Beiye Functional Materials Co., Ltd., and Antai Technology Co., Ltd. Beijing Steel Research Institute Gaona Technology Co., Ltd., Haiyan Zhongda Metal Electronic Materials Co., Ltd., and Panzhihua Iron & Steel Group Jiangyou Great Wall Special Steel Co., Ltd. Company, Metallurgical Industry Information and Standardization Research Institute, Beijing University of Science and Technology. The main drafters of this document are. Chen Qingxin, Zhang Peng, Niu Yongji, Song Yanli, Xu Guohua, Zhang Yunheng, Xia Changlin, Wang Lin, Gu Qiang, and Deng Rui. Liu Shuangjuan, Yan Chengming, Gu Yu, Yang Liang, Yao Zhihao, Feng Weifeng, Wei Yujun. The release history of this document and the document it replaces is as follows. ---First published in 1982 as GB n180-19821, first revised in.1994 as GB/T 14996-1994, and in.2010 Second revision; ---This is the third revision and it has been incorporated into GB/T 25827-2010. Deformed high-temperature alloy cold-rolled sheet and strip 1.Scope This document specifies the ordering details, manufacturing process, technical requirements, and inspection procedures for cold-rolled sheets and strips of wrought high-temperature alloys (hereinafter referred to as alloys). The test rules, packaging, markings, and quality certificates describe the corresponding test methods. This document applies to high-temperature alloy cold-rolled sheets (hereinafter referred to as sheets) with a nominal thickness of 0.50mm to 4.00mm and a nominal thickness of... High-temperature alloy cold-rolled strip with a thickness of 0.10mm~1.30mm (of which GH4145, GH4169 and GH5188 alloy strips have a nominal thickness of...). 0.10mm~0.80mm (hereinafter referred to as strip).2 Normative referencesThe contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 222 Permissible Deviations in Chemical Composition of Finished Steel and Alloy Products GB/T 223 (all parts) Chemical Analysis Methods for Iron and Steel and Alloys GB/T 228.1 Metallic materials – Tensile testing – Part 1.Test method at room temperature GB/T 228.2 Metallic materials – Tensile testing – Part 2.High temperature test method GB/T 230.1 Metallic materials - Rockwell hardness test - Part 1.Test method GB/T 232 Metallic Materials - Bending Test Method GB/T 235 Test method for repeated bending of sheet and strip metal materials GB/T 247 General provisions for packaging, marking and quality certificates of steel plates and strips GB/T 708-2019 Dimensions, shape, weight and permissible deviations of cold-rolled steel sheets and strips GB/T 2039 Metallic materials - Uniaxial tensile creep test method GB/T 4340.1 Metallic materials - Vickers hardness test - Part 1.Test method GB/T 6394 Method for Determination of Average Grain Size of Metals GB/T 8651 Ultrasonic Testing Method for Metal Sheets GB/T 11170 Determination of Multi-Element Content in Stainless Steel by Spark Discharge Atomic Emission Spectrometry (Conventional Method) GB/T 14992 Grades and Chemical Compositions of High-Temperature Alloys and Intermetallic Compounds GB/T 14999.1 High-temperature alloys - Test methods - Part 1.Low magnification microstructure GB/T 20066 Sampling and Sample Preparation Methods for the Determination of Chemical Composition of Steel and Iron GB/T 20123 Determination of Total Carbon and Sulfur Content in Iron and Steel - Infrared Absorption Method After Combustion in a High-Frequency Induction Furnace (Conventional Method) GB/T 20124 Determination of Nitrogen Content in Iron and Steel - Inert Gas Molten Thermal Conductivity Method (Conventional Method) GB/T 20127 (all parts) Determination of trace elements in iron and steel and alloys GB/T 38939 Determination of Multi-Element Content in Nickel-Based Alloys by Spark Discharge Atomic Emission Spectrometry (Conventional Method) Chemical Analysis Methods for HB5220 (All Parts) High-Temperature Alloy HB20241 (All Parts) High Temperature Alloy Chemical Composition Spectroscopic Analysis Method 3.Terms and Definitions The terms and definitions defined in GB/T 14992 apply to this document. 4.Order details Contracts or orders placed in accordance with this document should include the following. a) This document number; b) Product Name; c) Alloy grade; d) Weight (or quantity); e) Smelting methods (see 5.1); f) Delivery status (see 5.2); g) Size specifications; h) Strip dimensional tolerance group (see 6.8.2.1); i) Standard and multiple lengths (please specify if required); j) Surface quality group of the sheet material (see 6.7.1.2); k) Items or specifications to be negotiated by both the supplier and the buyer and specified in the contract (if not specified, the supplier shall select them); l) Other special requirements. 5.Manufacturing process 5.1 Smelting Method The alloy grade and smelting method shall conform to the provisions of Table 1, or other alloys that meet the requirements of this document and are agreed upon by both the supplier and the purchaser may be used. Refining methods. The smelting methods used should be specified in the contract and quality certificate. Table 1 Alloy Grades and Smelting Methods alloy Brand product category electric arc furnace Electroslag remelting electric arc furnace Vacuum arc remelting Non-vacuum induction Electroslag remelting Non-vacuum induction Vacuum arc remelting Vacuum induction Electroslag remelting Vacuum induction vacuum arc Remelting Vacuum induction Electroslag remelting vacuum arc Remelting Vacuum induction vacuum arc Remelting Electroslag remelting GH1035 sheet material ● - ● - - - - - GH1131 sheet material ● - ● - - - - - GH1140 Board strip ● - - - - GH2018 Sheet Material - - - - ● - - - GH2132 Board strip ● - - - ● ● - - Table 1 Alloy Grades and Smelting Methods (Continued) alloy Brand product category electric arc furnace Electroslag remelting electric arc furnace Vacuum arc remelting Non-vacuum induction Electroslag remelting Non-vacuum induction Vacuum arc remelting Vacuum induction Electroslag remelting Vacuum induction vacuum arc Remelting Vacuum induction Electroslag remelting vacuum arc Remelting Vacuum induction vacuum arc Remelting Electroslag remelting GH2302 sheet material - - - - ● - - - GH3030 Board strip ● - ● - - ● ● - - - GH3039 Board strip ● ● ● - - ● ● - - - GH3044 Board strip ● ● ● - - - ● ● - - GH3128 sheet material - - ● - ● - - - GH3536 Board strip - - GH3625 Board strip - - - - ● - - GH4033 Sheet Material ● ● ● - - - - - GH4099 sheet material - - - - ● ● - - GH4145 Board strip - - - - ● ● - - GH4169 Board strip - - - - - ● - - ● ● GH5188 Board strip - - - - ● ● - - Note. ● indicates the smelting method used. 5.2 Delivery Status 5.2.1 The boards shall be delivered after solution treatment, alkali and acid washing, leveling, straightening, and edge trimming. The recommended solution treatment procedure for board delivery is as follows. Table 2 states that the supplier should specify the actual solution treatment temperature of the board in the quality certificate. 5.2.2 Strip material shall be delivered after solution treatment and alkali/pickling. Strip material that has undergone bright heat treatment may not require alkali/pickling. Solution treatment is recommended for strip material delivery. The treatment procedures are shown in Table 2.The supplier shall specify the actual solution treatment temperature of the strip in the quality certificate. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 14996-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 14996-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 14996-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 14996-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
