Recycling Tungsten Material Industry Standard YS/T 1704-2024
Recycling Tungsten Material Industry Standard YS/T 1704-2024
1. Scope
This document specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, accompanying documents and order form contents of recycled tungsten raw materials (hereinafter referred to as raw materials).
Tungsten raw materials obtained after recycling processes (including but not limited to sorting, cleaning, disassembly, crushing, drying, screening, etc.) .
2. Normative references
The contents of the following documents constitute essential provisions of this document through normative references herein. For dated references, only the version corresponding to that date applies to this document. For undated references, the latest version (including all amendments) applies to this document.
GB/T 5314 Powder sampling method for powder metallurgy
GB/T 6150.1 Chemical analysis methods for tungsten concentrates Part 1: Determination of tungsten trioxide content: Ammonium tungstate ignition gravimetric method
SN/T 0570 Inspection procedures for radioactive contamination of imported recycled raw materials
SN/T 3012 Determination of tungsten trioxide content in tungsten concentrate: X-ray fluorescence spectrometry
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