YS/T 921-2025 PDF English
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| YS/T 921-2025 | English | RFQ | ASK | 3 days [Need to translate] | Frosted Copper |
| YS/T 921-2013 | English | 239 | Add to Cart | 3 days [Need to translate] | Copper matte |
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Basic data
| Standard ID | YS/T 921-2025 (YS/T921-2025) |
| Description (Translated English) | Frosted Copper |
| Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) |
| Classification of Chinese Standard | H62 |
| Classification of International Standard | 77.150.30 |
| Date of Issue | 2025-04-10 |
| Date of Implementation | 2025-11-01 |
| Older Standard (superseded by this standard) | YS/T 921-2013 |
| Issuing agency(ies) | Ministry of Industry and Information Technology |
| Summary | This standard specifies the classification, technical requirements, test methods, inspection rules, packaging, transportation, storage, and accompanying documents and order form contents for copper matte. This document applies to intermediate products obtained through smelting, consisting of cuprous sulfide and ferrous sulfide, with a copper content between 15% and 75%, intended for copper smelting. |
