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YB/T 139-2024 PDF English

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YB/T 139-2024: (Composite cast steel support roller)
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Status: Valid

YB/T 139: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
YB/T 139-2024English259 Add to Cart 3 days [Need to translate] (Composite cast steel support roller)
YB/T 139-1998English319 Add to Cart 3 days [Need to translate] Non-water alumina-silicate refractory mortar

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Basic data

Standard ID YB/T 139-2024 (YB/T139-2024)
Description (Translated English) (Composite cast steel support roller)
Sector / Industry Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H94
Classification of International Standard 77.180
Word Count Estimation 12,166
Date of Issue 2024-03-29
Date of Implementation 2024-10-01
Older Standard (superseded by this standard) YB/T 139-1998
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the technical requirements, test methods, inspection rules, marking, packaging and quality certificates for composite cast steel support rollers. This document is applicable to composite cast steel support rollers used in plate, strip mills and flat mills. Composite cast steel support rollers used in thin slab continuous casting and rolling and ultra-thin strip mills can also be used as a reference.

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Question 5: Should I purchase the latest version YB/T 139-2024?


Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YB/T 139-2024 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.
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