High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion..
1. Grade: W1,W2,WAL,WLa,WNiFe
2. Purity :> =99.95%
3. Characteristic:
Melting Point: 3410 Degrees Celsius
Boiling Point:5927 Degrees Celsius
Density: 19.3g/cm3
High quality, workability
4. Certificate: ISO9002
5. Product Feature: High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion..
Technical process: Tungsten Podwer → Isostatic Pressing → Bar Billet →Sinering → Semi-finished bar →Forging
→ Swaging → Polished → End products → Inspection → Packing
6. Dimensions and tolerance(According to clients’ requirements):
Tungsten content | Type | Diameter (mm) | Dia.tolerance (mm) | Length (mm) | L tolerance (mm) |
99.98% | Sintering rod | 40-100 | ±3 | 500max | ±5 |
Froged rod | 20-80 | ±2 | 800max | ±5 | |
Ground rod | 2-60 | ±0.1 | 650max | ±1 |
Other element content≤ | Fe | 0.001 | Al | 0.0001 | Bi | 0.0001 | Si | 0.001 |
Ca | 0.001 | Ni | 0.00035 | Mo | 0.0008 | O | 0.0047 | |
P | 0.001 | N | 0.002 | Mg | 0.0001 | Pb | 0.0001 | |
Sn | 0.0001 | Sb | 0.0001 | C | 0.00085 | As | 0.0001 |
7. Application:
Tungsten rod/bar can be widely used in illumination, heater and the electronic mechanical engineering, making the electricity photo source, the automobile and the tractor light bulb, make lattice side rod, framework, leading wire, electrode, heater and contact materials and so on.
round tungsten rod
