GB/T 4310-2016 in English
VALIDVanadium
- Issued on:2016-12-30
- Implemented on:2017-11-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
| Standard No: | GB/T 4310-2016 |
| Document status: | VALID |
| Title in English: | Vanadium |
| Title in Chinese: | 钒 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2016-12-30 |
| Implemented on: | 2017-11-01 |
| Superseding: |
GB/T 4310-1984 Vanadium
|
| ICS Classification: | 77.150.99-Other products of non-ferrous metals |
| Chinese Classification: | H63-Rare refractory metals and their compounds |
| Professional Classification: | GB-National Standard |
| Related Topics: | vanadium
GB/T 4310 hg/t 4310 Vanadium Mass Spectrometry sn/t 4310 GB/T 4310-2016 GBT4310 GB/T 4310-1984 GB/T 4310-2016 |
《GB/T 4310-2016钒》由TC243（全国有色金属标准化技术委员会）归口，TC243SC3（全国有色金属标准化技术委员会稀有金属分会）执行，主管部门为中国有色金属工业协会。
Introduction
Interpretation of the National Standard GB/T4310-2016 for Vanadium
1. Background and Significance of Standard Formulation
GB/T4310-2016 is a national standard for vanadium products, replacing the previous GB/T4310-1984. This standard is mainly applicable to vanadium produced by molten salt electrolytic refining, which is used in superconducting materials, fast neutron reactor structural materials and special alloy additives.
2. Comparison of standard frameworks
| Standard version | Chemical composition requirements | Particle size range | Impurity content limit |
|---|---|---|---|
| GB/T4310—2016 | - Four grades from V-1 to V-4, with gradually relaxed impurity content | Not less than 0.25mm, a small amount of out-of-range products is allowed (≤4%) | The content of impurity elements such as Fe, Cr, Al is strictly controlled |
| GB/T4310—1984 | - No clear division of grades | Unclear particle size requirements | Relatively loose impurity content limits |
Actual application cases
For example, in the manufacture of superconducting materials, V-1 grade vanadium is widely used in high-end scientific research due to its extremely low impurity content. V-4 grade, however, is suitable for industrial-grade alloy production due to its high impurity tolerance.
3. Analysis of Technological Evolution
- New content:Normative reference documents (YS/T540), margin definition, and test methods are clarified
- Optimized content:Batch rules are expanded to ≤20kg, packaging requirements are updated, and order form content is supplemented
- Technological improvement:Chemical composition analysis accuracy is improved, and particle size control is stricter
4. Implementation suggestions
To ensure the effective implementation of the standard, the following suggestions are made:
- Manufacturers:Establish a complete chemical composition analysis and particle size detection system, and use the YS/T540 method for detection.
- Purchasers:Strengthen visual inspection and sampling inspection in the acceptance link to ensure compliance with the standard requirements.
- Quality Supervision Department: Promote standardized training and improve the overall technical level of the industry.
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