YB/T 4797-2020 PDF English
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| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| YB/T 4797-2020 | English | 279 | 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. |