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Niobium is a kind of silver grey rear high-melting-point metal with relatively soft texture and ductility. At normal temperature, niobium cannot react with the air, and cannot be completely oxidized in oxygen in the red hot state. Niobium can be directly and chemically combined with sulfur, nitrogen and carbon at high temperature. Niobium cannot react with inorganic acid or alkali, and is insoluble in aqua regia but is soluble in hydrofluoric acid. Niobium features extremely good superconductivity, high melting point, corrosion resistance, wear resistance, etc.
Classification: pure molybdenum wire, lanthanum molybdenum wire, yttrium molybdenum wire, wire cutting special molybdenum wire four categories.
Chemical composition: according to the national standard GB/T3462-2007 "molybdenum strip and molybdenum slab" the relevant technical requirements.
Diameter and Tolerance of Molybdenum Wires:
| Nominal diameter(μm) | 200mmwire segment weight | 200mmwire segment weight tolerance(%) | Diameter tolerance(%) | ||
| ⅠGrade | Ⅱ Grade | ⅠGrade | Ⅱ Grade | ||
| 20≤d<30 | 0.65~1.47 | ±2.5 | ±3 | － | － |
| 30≤d<40 | >1.47~2.61 | ±2.0 | ±3 | － | － |
| 40≤d<100 | >2.61~16.33 | ±1.5 | ±3 | － | － |
| 100≤d<400 | >16.33~256.2 | ±1.5 | ±4 | － | － |
| 400≤d<600 | － | － | － | ±1.5 | ±2.5 |
| 600≤d<3200 | － | － | － | ±1.0 | ±2.0 |
Pure molybdenum wire:Pure molybdenum wire used for winding core wire, support, lead wire, heating element, molybdenum foil tape, wire cutting, auto parts spraying, etc.
Lanthanum molybdenum wire: Lanthanum molybdenum wire used for wire wound core glass sealing parts, molybdenum foil belt, furnace heating materials, wire cutting high-temperature components, etc.
Yttrium molybdenum wire: Yttrium moly wire used for support, lead line, vacuum tube reed, grid, furnace body heating materials, high temperature components.
Molybdenum wire cutting: This moly wire used for the cutting and processing of various non-ferrous metals, steel and magnetic materials. Molybdenum wire has high strength, good discharge performance, high surface finish, fast cutting speed, long service life and so on.
Appearance: The surface of the molybdenum wire is coated with graphite emulsion, which is uniform in black
Surface state molding process: drawing, forging, polishing
Storage and transportation: Molybdenum wire shall be stored in a dry, acid-base free atmosphere with relative humidity less than 65%, and moisture-proof during transportation.
No.26 Baotai Road, Weibin District, Baoji City, Shaanxi, China.
No.26 Baotai Road, Weibin District, Baoji City, Shaanxi, China.
