GB/T 3282-1987 Ferrotitanium

GB/T 3282-1987 Ferrotitanium GB/T3282-1987 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Ferrotitanium
LDC 669.15'295
GH3282-87
Generation 3282-82
This standard applies to titanium ore obtained by reduction for use in steelmaking, casting additives and electroplating coatings. 1 Technical requirements
1.1 Grades and chemical compositions
1.1.1 Ferroalloy is divided into four grades according to its content of iron and impurities, and its chemical compositions shall comply with the provisions of Table 1. Table!
Chemical analysis points
Fi-TE30A
FeTn30B
FrTianA
Feli4n
25. 0-- 3h.0
25. 0~ 35. 0
5.0~-45. c
3:. U~41. 0
Comparison: The manufacturer should provide the latest data of Sn, Pb, Ar, Sh and Hi in a timely manner. The lower data will not be used as the assessment data. After double-strength processing, the steel content of each grade of titanium is allowed to be 0.50 for delivery. 1. 1.2 If the arrow party has special requirements for the elements listed in the table, the supply and demand parties can negotiate separately. 1.1.3 If there are requirements, the measured data of other elements outside the table can be negotiated. 1.2 Particle size
1.2.1 The product is delivered in two categories: block, granular or powder. The particle size range and allowable end difference must comply with the provisions of Table 2. Table 2
Tensile range. mm
21-151
Allowed partial evaporation, %
Sedimentation: Particle saturation measurement shall be based on the measurement at the common cargo yard. No matter where the measurement is conducted, representatives of the supply and demand parties can participate. 1.2.2 If the micro party has special requirements, the particle size of the product can be negotiated separately. 1.2.3 Viscosity is measured by screening with a Sichuan-hole steel sieve. Approved by the Ministry of Metallurgical Industry of the People's Republic of China on July 23, 1987.
Implemented on July 1, 1988
2. Test methods
GB3282-87
The sampling of samples for chemical analysis shall be carried out in accordance with GB4010835 Method for sampling samples for chemical analysis of ferroalloys. 2.2 Sample preparation
The preparation of samples for chemical analysis shall be carried out in accordance with GB4332-81≤ Method for preparing samples for chemical analysis of ferroalloys》. 2.3 Chemical analysiswww.bzxz.net
The chemical analysis of ferrotitanium shall be carried out in accordance with GB4701.1～4701.784 Method for chemical analysis of ferrotitanium 3. Inspection rules
3.1 The quality inspection and acceptance of products shall be carried out by the technical supervision department of the supplier, and the purchaser shall have the right to re-inspect the product quality in accordance with the regulations. If there is any negotiation, it should be made within 45 days after arrival.
3.2 Products can be delivered in batches by furnace or by grade, or the supply and demand parties can agree that when batching by grade, the difference in the average content of the products delivered in each furnace in a batch shall not be greater than 3.
4 Packaging, marking, storage and transportation and quality certificate 4.1 Packaging
Diamond iron products are packed in iron drums, which are divided into 50kg and 100kg. Products with particle sizes 2 and 3 in Table 2 can also be packed in sacks lined with latex or by agreement between the supply and demand parties. 4.2 Marking, storage and transportation and quality certification
Marking, storage and transportation and quality certification shall comply with the requirements of GB3650-83 Additional remarks:
This standard was proposed by the Ministry of Metallurgical Industry of the People's Republic of China. This standard was drafted by Jinzhou Ferroalloy Factory. The main drafters of this standard are Huang Shujie and Zhang Peng. The level mark of this standard is GB328287Y
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