This standard applies to vanadium produced by molten salt electrolytic refining. This product is used as superconducting materials, fast neutron reactor structural materials and special alloy additives. GB/T 4310-1984 Vanadium GB/T4310-1984 standard download decompression password: www.bzxz.net

UDC 669.292
National Standard of the People's Republic of China
GB 4310—84
Vanadium
Published on 1984-03-27
Implemented on 1985-03-01
Approved by the State Bureau of Standards
National Standard of the People's Republic of China
GB4310-84
Published by China Standards Press
(Beijing Fuwai Sanlihe)
Printed by the printing workshop of China Standards Press
Distributed by Beijing Publishing House of Xinhua Bookstore and sold by Xinhua Bookstores in various places.
Format 880×12301/1B Printing sheet 1/4Number 4.000First edition in August 1984First printing in August 1984Printing quantity 1-4,000
Book number: 15169·1-2576
6Price 0.10 yuan
Heading 9 -- 68
National Standard of the People's Republic of China
Vanadium
UDC 669.292
GB4310—84
This standard applies to vanadium produced by molten salt electrolytic refining. This product is used as superconducting materials, fast neutron reactor structural materials and special alloy additives.
1 Technical requirementswwW.bzxz.Net
1.1 Appearance
1.1.1 Vanadium has a silver-grey metallic luster and dendritic crystals. .1.1.2 The product shall not have visible inclusions. 1.2 Physical properties
Product particles shall not be less than 0.25mm.
1.3 Chemical composition
According to the different impurity content of the product, the product is divided into four grades, and its chemical composition shall comply with the provisions of the following table: Chemical composition, %
Product grade
√Contains not less than
1.4 If the purchaser has special requirements, the supply and demand parties shall negotiate separately. 2 Test methods
2.1″Analysis method
Miscellaneous temples contain, not more than
Chemical composition analysis method and arbitration analysis method shall be carried out according to the method agreed upon by the supply and demand parties. 2.2 Arbitration sampling
2.2.1 For each batch of less than two bottles, the number of sampling bottles is 100%; for more than two bottles, the number of sampling bottles is 50%, but not less than two bottles. 2.2.2 Each bottle of product is reduced to 20g by quartering, crushed to less than 3mm, mixed and then reduced to 20g. After the analysis sample is washed with 0.5% dilute hydrochloric acid, iron, chromium, aluminum, silicon and carbon are analyzed. 2.2.3
National Bureau of Standards 1984-0#-27 Issued
1985-03-01 Implementation
GB 4310—84
3 Acceptance rules
3.1 Products should be submitted for acceptance in batches. Each batch of products consists of the same furnace and brand. The batch size shall not exceed 10kg. 8.2 The product shall be inspected by the supplier's quality supervision department to ensure that the product meets the requirements of this standard and fill in the quality certificate. 3.3 The purchaser may inspect the received products. If the inspection results do not conform to this standard, the purchaser shall report it to the supplier within three months from the date of receipt of the production station and the supply and demand parties shall negotiate to resolve the issue. If the analysis and inspection results are unqualified, double-estimated samples shall be taken for re-inspection of the unqualified item. If there are still two unqualified results in total,
the batch of products is unqualified.
Marking, packaging, transportation and storage
The products shall be packed in clean and dry glass, the bottles shall be evacuated and filled with argon and tightly sealed with wax, and the net weight of the bottles shall not be greater than 1 kg. .1
Each bottle is attached with a label, indicating: product name, product batch number, brand, net weight and packaging date. 4.2Put the glass bottles into plastic bags or special boxes, and then put them in wooden boxes. Stuff the box tightly with soft objects to prevent movement, and fasten the outside of the box with wire. The net weight of each box shall not exceed 10k. A sign or label is attached to the outside of the box, indicating: supplier name, product name, product brand and packaging date, and "handle with care", "take care" signs or symbols. During the transportation of products, strictly prevent moisture and violent collision to avoid damage to the packaging. 4.3
The products should be stored in a safe place to prevent oxidation and deterioration. Best product quality certificate
Each batch of products should be accompanied by a quality certificate, indicating the supplier name;
product name;||tt ||Product brand, batch number
Product number, net weight;
All analysis and test results and inspection department: Stamp this standard number;
Ex-factory date.
Additional explanation:
This standard was proposed by Jinzhou Iron and Steel Industry Corporation. This standard was drafted by Jinzhou Iron and Steel Corporation. The main drafters of the standard are Pu Changlin, Dong Yulan, Zheng Zhixiong and Liu Suhuan. Book number: 15169·1-2576
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