Molybdenum crucibles in China mainly involve the quality requirements, production processes, performance testing, etc. of molybdenum and its alloy materials. The following are some Chinese standards related to molybdenum crucibles:
1. GB/T 16039-2019 – Molybdenum and molybdenum alloys
This standard specifies the technical requirements for molybdenum and molybdenum alloys, and is applicable to the production, processing and quality control of molybdenum and molybdenum alloy materials. It has important reference value for the material selection, chemical composition, mechanical properties and other aspects of molybdenum crucibles.
The main contents include the chemical composition requirements, mechanical properties (such as tensile strength, ductility, etc.) and corresponding test methods of molybdenum alloys.
2. GB/T 1959-2017 – Molybdenum alloys
This standard specifies the basic technical requirements of molybdenum alloys, including the chemical composition, physical properties, mechanical properties, etc. of molybdenum alloy materials. It is closely related to the material properties of molybdenum crucibles, especially molybdenum alloys used in metallurgy and high temperature applications.
Molybdenum alloy materials suitable for manufacturing molybdenum crucibles ensure that they meet the requirements of strength, corrosion resistance, etc. under high temperature working conditions.
3. GB/T 17485-2009 – Molybdenum crucible
This standard specifies the technical requirements, dimensional tolerances, surface quality, etc. of molybdenum crucibles. The standard provides guidance on the production, processing, inspection and acceptance procedures of molybdenum crucibles.
The main contents include the size tolerance, shape requirements, surface roughness, chemical composition requirements, etc. of the molybdenum crucible to ensure that the molybdenum crucible can meet the requirements of working environments such as high temperature and chemical reaction.
4. GB/T 10708-2015 – Smelting and casting of molybdenum, tungsten, molybdenum alloys and tungsten alloys
This standard involves the smelting and casting process requirements of molybdenum, tungsten and their alloys. It is applicable to the production process of molybdenum crucibles to ensure that the crucible material has uniform quality, appropriate strength and high temperature resistance.
It plays an important role in regulating the smelting and casting technical process, process control and quality assurance of molybdenum crucibles.
5. GB 5301-2008 – Tensile test methods for molybdenum and molybdenum alloys
This standard specifies the tensile test method for molybdenum and molybdenum alloys, which is suitable for testing the mechanical properties of molybdenum crucible materials, especially important properties such as tensile strength and elongation.
For the strength requirements of molybdenum crucibles under high temperature conditions, tensile test is a common inspection method.
6. GB/T 14846-2009 – Molybdenum crucible use environment test method
This standard specifies the performance test methods of molybdenum crucibles in specific use environments, including tests on corrosion resistance and thermal expansion coefficient in high temperature environments.
For the application of molybdenum crucibles in metallurgy, semiconductor and other high temperature environments, it is very important to test their stability and durability under harsh conditions.
7. GB/T 28781-2012 – Performance test of molybdenum alloy in high temperature and high-pressure environment
Molybdenum crucibles are often used under high temperature and high-pressure conditions. This standard involves the performance test method of molybdenum alloys under extreme conditions and is suitable for the long-term performance evaluation of molybdenum crucibles.
8. GB/T 32932-2016 – Surface treatment methods for molybdenum and molybdenum alloys
This standard mainly involves the technical requirements for the surface treatment of molybdenum and molybdenum alloys. It is applicable to the surface treatment process required for molybdenum crucibles during the manufacturing process to improve their corrosion resistance and oxidation resistance.
9. GB/T 13040-2006 – Chemical composition analysis method of molybdenum alloys
The chemical composition of molybdenum alloy is very important in the quality standard of molybdenum crucible. This standard stipulates the chemical composition analysis method of molybdenum alloy to ensure that the chemical composition of molybdenum crucible meets the industry standard.
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