Path: Home > GB/T > Page725 > GB/T 15547-2025

Price & Delivery

US$279.00 · In stock · Download in 9 seconds
GB/T 15547-2025: Blanks of forged steel rolls for cold rolling mill
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid

Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 15547-2025	English	279	Add to Cart	3 days [Need to translate]	Blanks of forged steel rolls for cold rolling mill
GB/T 15547-2012	English	259	Add to Cart	3 days [Need to translate]	Blanks of forged steel rolls for cold rolling mill
GB/T 15547-1995	English	319	Add to Cart	3 days [Need to translate]	Forged steel cold roll blanks

GB/T 15547-2025: Blanks of forged steel rolls for cold rolling mill

---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.
ICS 77.180 CCSH94 National Standards of the People's Republic of China Replaces GB/T 15547-2012 Forged steel cold rolling roll blank Published on 2025-10-31 Implemented on May 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Foreword

This 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 replaces GB/T 15547-2012 "Forged Steel Cold Roll Blanks". Compared with GB/T 15547-2012, except for structural adjustments and rewriting... Aside from the logical changes, the main technical changes are as follows. ---The straightening roll blank included in the scope has been removed and incorporated into other roll blanks (see Chapter 1 of the.2012 edition); ---A new chapter on "Terms and Definitions" has been added (see Chapter 3); ---The category of straightening roll blanks included in the application classification has been removed (see Chapter 3 of the.2012 edition); ---The method of representing metallurgical quality classification has been changed (see 4.2, 4.1 in the.2012 edition, and Table 1); ---9SiCr has been removed (see Table 1 in the.2012 edition); ---The chemical composition of 8Cr5MoV has been changed (see Table 1,.2012 edition of Table 1); ---Added 8Cr5Mo1V, 9Cr3NiMoV, 9Cr5Mo, 9Cr5NiMoV, and 9Cr6MoV (see Table 1); ---Increased permissible deviations for Cr and Nb chemical composition, as well as unspecified deviations for roller diameters above 1150 mm (see Table 2); ---The recommended material for roll blanks has been changed, and the application of steel grades has been adjusted to be informative in the appendix (see 5.11, 4.2 of the.2012 edition); ---The inclusion rating requirements have been changed (see 5.6.1, 4.6.1 in the.2012 version); ---The grading of carbides and spheroidized tissues has been changed to be based on sampling location (see Table 5, Table 5 in the.2012 edition); ---The ultrasonic testing requirements for support rollers have been changed (see 5.7, Table 6 of the.2012 edition); ---Recommended center hole requirements have been added (see Table 6); ---Added requirements for gas testing in the inspection items (see Table 7); ---The sampling location for high-magnification testing has been changed to be one-third of the radius from the surface (see Table 7, Table 7 in the.2012 edition). 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. Tangshan Zhiwei Technology Co., Ltd., Xingtai Delong Machinery Roll Co., Ltd., and Baosteel Roll Technology Co., Ltd. Company, China Steel Group Xingtai Machinery Roll Co., Ltd., Tangshan Zhiwei Yulong Roll Technology Co., Ltd., Jiangsu Keda Heavy Industry Co., Ltd. Metallurgical Industry Information and Standardization Research Institute, Henan Zhongyuan Heavy Forging Co., Ltd., and Hunan Lifang Roll Co., Ltd. The main drafters of this document are. Liu Daoxian, Cao Lijun, Zhou Jun, Ju Xianqin, Yang Yudong, Mao Guoying, Zhang Ruopeng, Chen Wei, Qiu Jinhui, and Yu Hongyan. Zhang Jian, Zhang Guoliang, Qian Baineng, Zhang Qing, Han Weiguo, Huo Zhenquan, Chen Jian, Wang Jiangwei, Wang Sen, Xie Jing, Zhou Guoxiang, Han Jian, Ma Fengchuan, Yang Wei, Yu Jingyao Zhang Yuanchun, Wang Lingchen, Peng Longsheng, Wang Tiantian. The release history of this document and the document it replaces is as follows. GB/T 15547-1995 was first published in.1995 and revised for the first time in.2012. ---This is the second revision. Forged steel cold rolling roll blank

1 Scope

This document specifies the classification and designation, technical requirements, and testing procedures for cold rolling work rolls, intermediate rolls, and support rolls for metal sheet and strip mills. Inspection methods, inspection rules, marking, quality certificates, packaging and transportation. This document applies to forged work rolls, intermediate rolls, and support rolls for cold rolling of sheet and strip metals. Other forged steel roll blanks should refer to this document for guidance.

2 Normative references

The 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 145 Center Hole GB/T 221 Method for designating steel product grades GB/T 223 (all parts) Chemical Analysis Methods for Iron and Steel and Alloys GB/T 226 Steel - Low-magnification microstructure and defect testing method using acid etching GB/T 231.1 Metallic materials – Brinell hardness test – Part 1.Test method GB/T 1299-2025 Tool and Die Steel GB/T 1979-2025 Evaluation of Low-Magnification Microstructural Defects in Structural Steel - Acid Immersion Method and Ultrasonic Testing Method GB/T 6402 Ultrasonic Testing Methods for Steel Forgings GB/T 4336 Determination of Multi-Element Content in Carbon Steel and Medium-Low Alloy Steels by Spark Discharge Atomic Emission Spectrometry (Conventional Method) GB/T 10561-2023 Standard rating chart microscopic examination method for the determination of non-metallic inclusion content in steel GB/T 11261 Determination of Oxygen Content in Iron and Steel - Pulse Heating Inert Gas Melting-Infrared Absorption Method GB/T 13314-2025 General Technical Requirements for Forged Steel Cold Rolling Work Rolls GB/T 15546 Metallurgical Roll Terminology GB/T 18254-2016 High Carbon Chromium Bearing Steel GB/T 20066 Sampling and Sample Preparation Methods for the Determination of Chemical Composition of Steel and Iron GB/T 20125 Inductively Coupled Plasma Atomic Emission Spectrometry for Multi-Element Measurement of Low Alloy Steel GB/T 46218 Support Rollers YB/T 6240-2024 Evaluation Standard Rating Chart Method for Carbides in Hypereutectoid Steel

3 Terms and Definitions

The terms and definitions defined in GB/T 15546 apply to this document. 4.Classification and Codes 4.1 Roll blanks are classified into the following three categories according to their uses. a) Work roll; ...