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GB/T 4193 Molybdenum Wire For Electric Light Source
1. Description Of GB/T 4193 Molybdenum Wire For Electric Light Source:
Electric light source molybdenum wire is mainly used as the filament holder and the core wire of the tungsten helix. Therefore, the molybdenum wire is required to have a uniform diameter, good straightness, high strength, and stable high temperature performance. It is also required that the molybdenum wire of the electric light source has a certain flexibility, and its elongation rate should reach 15%~25%.
Molybdenum wire is divided into different types of molybdenum wire according to the application range, including spray molybdenum wire, electric light source molybdenum wire, heating furnace molybdenum wire, electronic device molybdenum wire and electric spark cutting molybdenum wire, etc. The quality of molybdenum wire mainly depends on its chemical composition, mechanical properties, surface finish, unit weight and dimensional tolerance, etc., and the quality and performance requirements of different molybdenum wire products are somewhat different.
2. Size And Chemical Content Of GB/T 4193 Molybdenum Wire For Electric Light Source:
| Size range | 200mm wire segment weight deviation(%) | Diameter deviation (%) | ||||
Diameter (μm) | Weight (mg) | 0 grade | Ⅰ grade | Ⅱ grade | Ⅰgrade | Ⅱ grade |
| 20≤30 | 0.65 ≤1.47 | ±2.0 | ±2.5 | ±3.0 | — | — |
| 30≤40 | 1.47 ≤2.61 | ±1.5 | ±2.0 | ±3.0 | — | — |
| 40<> | 2.61 <> | ±1.0 | ±1.5 | ±3.0 | — | — |
| 400≤d≤600 | — | — | — | — | ±1.5 | ±2.5 |
| 600≤5500 | — | — | — | — | ±1.0 | ±2.0 |
Molybdenum Content |
Other Elements Content Total |
Each Other Element Content |
| MO≥99.95% | ≤0.05% | ≤0.01% |
3. Performance characteristics Of GB/T 4193 Molybdenum Wire For Electric Light Source:
A variety of high performance molybdenum wires have been produced by using the patented technology of continuous rolling with international leading level. The coarse molybdenum wire needs no welding and the root weight can reach 25kg. The quality of the product reaches the international advanced level. According to the different uses of customers, the brand, specifications, processing status and other requirements, choose different processing technology, so that the product performance to achieve the best results.
4. Application Of GB/T 4193 Molybdenum Wire For Electric Light Source:
The special molybdenum wire for electric light source is mainly used to manufacture wire winding core, bracket, lead out wire and heating wire for various electric light sources.
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