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GB/T 11880-2024 English PDF

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Q: Should I purchase the latest version GB/T 11880-2024?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 11880-2024 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.

US$289.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 11880-2024: Die-blocks used for die-forging hammers and large mechanical forging presses
Status: Valid

GB/T 11880: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 11880-2024	289	Add to Cart	3 days	Die-blocks used for die-forging hammers and large mechanical forging presses	Valid
GB/T 11880-2008	169	Add to Cart	3 days	Specification of large die-blocks used for die-forging hammer and mechanical forging press	Valid
GB/T 11880-1989	279	Add to Cart	3 days	Large die-blocks used for die-forging hammer and mechanical forging press--Specification	Obsolete

Similar standards

GB/T 5357 GB/T 6110 JB/T 3943 GB/T 45382 GB/T 45361

Basic data

Standard ID: GB/T 11880-2024 (GB/T11880-2024)
Description (Translated English): Die-blocks used for die-forging hammers and large mechanical forging presses
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J46
Classification of International Standard: 25.120.10
Word Count Estimation: 14,122
Date of Issue: 2024-09-29
Date of Implementation: 2025-04-01
Older Standard (superseded by this standard): GB/T 11880-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 11880-2024: Die-blocks used for die-forging hammers and large mechanical forging presses

---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.
Die-blocks used for die-forging hammers and large mechanical forging presses Modules for die forging hammers and large mechanical forging presses Die-blocks used for die-forging hammers and large mechanical forging presses ICS 25.120.10 CCS J 46 National Standard of the People's Republic of China Replace GB/T 11880-2008 Released on 2024-09-29 2025-04-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Preface ... Ⅲ 1 Scope ... 1 2 Normative references ... 1 3 Terms and Definitions ... 1 4 Technical requirements ... 1 4.1 Raw materials ... 1 4.2 Forging process ... 3 4.3 Finished Product ... 3 5 Test methods ... 5 6 Inspection Rules ... 5 6.1 Batch Rules ... 5 6.2 Sampling 5 6.3 Retest and judgment rules 6 7 Marks ... 6 8 Marking, packaging, transportation and storage 6 8.1 Logo ... 6 8.2 Packaging ... 7 8.3 Transport ... 7 8.4 Storage 7

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document replaces GB/T 11880-2008 "Technical Specifications for Die Forging Hammers and Large Mechanical Forging Presses" and is consistent with GB/T 11880-2008. In addition to structural adjustments and editorial changes, the main technical changes are as follows. The requirements for the chemical composition deviation of the module have been changed, the area interval division has been adjusted, and the Mo, V, and W components have been expanded. Scope (see Table 1, Table 2 in the.2008 edition); Modified the module heat treatment requirements, and specified the corresponding hardness values according to different raw materials (see 4.3.1,.2008 edition) 3,9); The cross-sectional dimensions have been increased, with 4 new widths and 4 new heights (see Table 4); - The requirements for forging process have been changed (see 4.2, 3.6 of the.2008 edition); - The requirements for internal quality have been changed (see 4.3.3, 3.7, 3.8, 3.10 of the.2008 edition); - Added test methods for chemical composition, metal flow lines, macrostructure, non-metallic inclusions, surface quality and size (see Table 5); The ultrasonic testing method has been changed (see Table 5, 4.5 of the.2008 edition); - The batching rules have been changed to apply to all inspection items (see 6.1, 4.3 of the.2008 edition); - Added the requirements for sampling quantity and sampling location for each inspection item (see 6.2); - Added retest and judgment rules (see 6.3). - Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Technical Committee for Mould Standardization (SAC/TC 33). This document was drafted by. Hubei Sanhuan Forging Co., Ltd., China Machinery Engineering Institute Group Beijing Electromechanical Research Institute Co., Ltd., Minnan Polytechnic College, Changshu Longteng New Energy Equipment Technology Co., Ltd., Zhongte Tailai Die Technology Co., Ltd., Liyang Jinkun Forging Co., Ltd., Shenzhen AVIC Technology Testing Institute Co., Ltd., Zhaoyang Technology (Wuhan) Co., Ltd., Zhejiang Xinzhe Mould Co., Ltd., Henan Yaxing Precision Forging Co., Ltd. Co., Ltd., Shandong Shunfa Heavy Industry Co., Ltd., Jinan Hengxin Forging Co., Ltd., Jinan Jiade Forging Co., Ltd., Zhejiang Modoback Technology Co., Ltd., Shandong Shengli Forging Co., Ltd., Zhejiang Ruitai Suspension System Technology Co., Ltd., Anhui Jianghuai Automobile Group Co., Ltd. Co., Ltd. and Guilin Electrical Science Research Institute Co., Ltd. The main drafters of this document are. Zhang Yunjun, Jiang Chao, Yan Wenduan, Huo Xiaofei, Lu Weiwei, Xu Wenbo, Wu Xibo, Wang Tiegang, Lou Laizhe, Ban Xingjian, Zhang Yang, Wang Guofang, Zhai Panpan, Lu Zhiwei, Gao Guangming, Wu Jianxiang, Zhang Guanghe, Yan Laiping, Ruan Linfan, Liu Chunyu and Wang Chong. The previous versions of this document and the documents it replaces are as follows. First published in 1989 as GB/T 11880-1989; - The first revision was in.2008 as GB/T 11880-2008; This is the second revision. - Modules for die forging hammers and large mechanical forging presses

1 Scope

This document specifies the raw materials, forging process and finished product requirements for die forging hammers and large mechanical forging presses, and describes the corresponding tests Methods, inspection rules, marking, logo, packaging, transportation and storage are specified. This document applies to the manufacture of alloy steel forging modules for die forging hammers and large mechanical forging presses (including screw presses). Note. In order to avoid confusion, "modules for die forging hammers and large mechanical forging presses" in this document are referred to as "modules".

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. GB/T 223 Iron, steel and alloys (all parts) GB/T 226 Acid etching test method for macrostructure and defects of steel GB/T 231.1 Brinell hardness test for metallic materials Part 1.Test method GB/T 1299-2014 Tool Steel GB/T 1979 Structural steel macrostructure defect rating chart GB/T 4336 Determination of multi-element content of carbon steel and medium and low alloy steel Spark discharge atomic emission spectrometry (conventional method) GB/T 6402-2008 Ultrasonic testing method for steel forgings GB/T 8541 Forging Terminology GB/T 10561-2023 Determination of non-metallic inclusions in steel - Standard for determination of non-metallic inclusions in steel - Microscopic examination method using a rating chart GB/T 11261 Iron and steel - Determination of oxygen content - Pulse heating inert gas fusion - infrared absorption method GB/T 17505 General technical requirements for delivery of steel and steel products GB/T 20066 Sampling and sample preparation methods for determination of chemical composition of steel and iron GB/T 20123 Determination of total carbon and sulfur content of steel - Infrared absorption method after combustion in a high-frequency induction furnace (conventional method) GB/T 20124 Determination of nitrogen content in steel - Inert gas fusion thermal conductivity method (conventional method) JB/T 6052 General technical conditions for heating of steel free forgings JB/T 8466 Penetrant testing of forged steel parts

3 Terms and definitions

The terms and definitions defined in GB/T 8541 apply to this document.

4 Technical requirements

4.1 Raw materials 4.1.1 Module raw materials should be processed by electric arc furnace, electric arc furnace vacuum degassing, electric arc furnace electric slag remelting, vacuum arc remelting, and refining outside the furnace. The specific smelting method shall be specified in the supply and demand contract. 4.1.2 The riser removal of the steel ingot used for the forging module should be 25%~30%, and the bottom removal should be 7%~10%. After removal, the steel ingot should not shrink. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 11880-2024_English be delivered?

Answer: Upon your order, we will start to translate GB/T 11880-2024_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 11880-2024_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 11880-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 11880-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 11880-2024 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.