Shaanxi Peakrise Metal Co.,Ltd
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Forged Pure Tungsten Rod W1 Purity 99.95% Diameter 8mm Rod
1. Forged 8mm diameter pure tungsten rod description:
With the aid of a specialized high-temperature powder metallurgy technique, metal powder is refined at a particular high temperature to create tungsten rods. Due to its low thermal expansion coefficient, high thermal conductivity, and strong electrical resistance, tungsten rod finds widespread application across a variety of industries. For instance, filaments, high-speed tools, automobile automatic products, lead-in lines, support lines, printer needles, different electrodes, quartz furnaces, and sputtering targets.
2. Forged W1 Diameter 8mm Pure Tungsten Rod Physical and Chemical Properties:
1). Forging tungsten rod
1.1 Purity: W≥99.95%；
1.2 Density:≥19.3g/cm3；
1.3 Linearity:≤1%；
2). Sintering tungsten rod
2.1 Purity:W≥99.95%；
2.2 Density:≥18.3g/cm3；
2.3 Linearity:≤3%
3. Measurements and Tolerances of Forged Pure Tungsten Rod W1 Diameter 8mm rod:
Unit:mm
| Delivery condition | Diameter | Diameter tolerance(%) | Max length |
| Forging or Sintering | ＜20 | ±0.1 | 2000 |
| 20~30 | ±0.1 | 1200 | |
| 30~60 | ±0.1 | 1000 | |
| 60~70 | ±0.2 | 800 | |
| 70~90 | ±0.2 | 600 | |
| ＞90 | Manufacture according to customers’ requirements | ||
| Sintering tungsten rod | |||
| Item | Process | Equipment | Quality check point |
| 1 | Tungsten powder | ||
| 2 | Sieving | High frequency vibrating sieve | 1 Purity of tungsten powder |
| 3 | Mixed powder | V shape mixer | 2 Mixed tungsten powder |
| 4 | Check | ||
| 5 | Isostatic pressing | Isostatic pressing machine | 1 Measurements, unit net weight |
| 6 | Check | 2 Surface quality | |
| 7 | IF sintering | IF induction sintering furnace | 1 Measurement, unit net weight, density |
| 8 | Alignment | 200T pressing machine | 2 Linearity ,Surface quality |
| 9 | Check | 3 Quality standard:GB/T4187-1984 | |
| 10 | Package | 4 Show certificate of quality | |
| Forging tungsten rod | |||
| Item | Process | Equipment | Quality check point |
| 1 | Sintering tungsten rod | 1 Measurements | |
| 2 | Forge | Forging air-hammer | 2 Density |
| 3 | Machining | Lathe, grinder | 3 Linearity ,Surface quality |
| 4 | Check | 4 Quality standard:GB/T4187-1984 | |
| 5 | Package | 5 Show certificate of quality | |
5. Uses for W1 Diameter 8mm Forged Pure Tungsten Rod:
Pulling tungsten wire and forging tungsten rod are the two main uses for sintering tungsten rod as a material. Due to tungsten's dyslectic point, electrodes, heating elements, connectors, and support rods in high-temperature furnaces as well as tungsten crucible supports are frequently made of high-purity, high-density, and superior high-temperature proof of creep deformation.
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