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YB/T 4797-2020 PDF English

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YB/T 4797-2020: (Steel for heavy-duty railway frogs)
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YB/T 4797-2020English279 Add to Cart 3 days [Need to translate] (Steel for heavy-duty railway frogs)

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Basic data

Standard ID YB/T 4797-2020 (YB/T4797-2020)
Description (Translated English) (Steel for heavy-duty railway frogs)
Sector / Industry Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H52
Classification of International Standard 77.140.70
Word Count Estimation 12,195
Date of Issue 2020
Date of Implementation 2020-10-01
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the definition, designation method, technical requirements, inspection methods, inspection rules, marks and quality certificates of frog steel for heavy haul railways. This standard is applicable to billets and rails for alloy steel composite frogs for heavy-duty railways with a train passing speed not exceeding 160km/h. Other frog steels can also refer to this standard.

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