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[China]
Trade Verify
Address: No.188 Gaoxin Road,Weibin District Baoji City,Shaanxi,China
Contact name:Nicole
Shaanxi Peakrise Metal Co.,Ltd |
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99.95% Tungsten Heater For Vacuum Furnace
1.Measurements and tolerances of 99.95% Tungsten Heater For Vacuum Furnace:
Tungsten heater
Unit:mm
| Tungsten heater | ||||||
| Diameter | Diameter tolerance | Width | Width tolerance | Height | Height tolerance | Remark |
| 3.0 | ±0.1 | ≤650 | ±1 | ≤1200 | ±1 | Shape of bottom and design of bendingradius will be Manufactured according to customers’ requirements |
| 4.0 | ±0.1 | ≤600 | ±1 | ≤1150 | ±1 | |
| 5.0 | ±0.1 | ≤550 | ±1 | ≤1100 | ±1 | |
| 6.0 | ±0.2 | ≤550 | ±1 | ≤1050 | ±1 | |
| 7.0 | ±0.2 | ≤500 | ±1 | ≤1000 | ±1 | |
| 8.0 | ±0.2 | ≤500 | ±1 | ≤950 | ±1 | |
| 9.0 | ±0.2 | ≤450 | ±1 | ≤900 | ±1 | |
| Copper bases will be produced in accordance with client requirements using a CNC lathe. | ||||||
2.Physical and chemical properties of 99.95% Tungsten Heater For Vacuum Furnace:
(1) Purity:W≥99.95%；
Density:≥19.3g/cm3；
Application temperature environment:≤2300℃；
(2) Copper base
Purity:Cu≥99.95%；
Density:≥8.8g/cm3；
Application temperature environment:≤1000℃；
| Quantitative analysis | ||||||||||
| Element | P | Ca | Mo | Pb | Al | Bi | Si | Fe | Mg | Ni |
| Concentration(%) | 0.001 | 0.0005 | 0.002 | 0.0001 | 0.0005 | 0.0001 | 0.001 | 0.002 | 0.0005 | 0.001 |
| Element | C | O | N | Sb | Cu | |||||
| Concentration(%) | 0.001 | 0.003 | 0.0006 | 0.0006 | 0.0006 | |||||
| Purity(Metallic Base) W≥99.95% | ||||||||||
3.Manufacture process and equipment of 99.95% Tungsten Heater For Vacuum Furnace:
| Tungsten heater | |||
| Item | Process | Equipment | Quality check point |
| 1 | Tungsten rod | 1 Physical and chemical properties | |
| 2 | Clean | 2 Length, linearity, diameter, ovality | |
| 3 | Check | 3 Surface quality | |
| 4 | Kink or pressing | Bending machine | 1 Measurements (length, width) |
| 5 | Calibration | Calibration mould | 2 Arc radius |
| 6 | Check | 3 Surface quality | |
| 7 | Wire cutting | Wire cutting machine | 1 Surface quality |
| 8 | Clean | 2 Tolerance of measurement, arc radius according to | |
| 9 | Check | tolerance stated on drawing | |
| 10 | Package | 3 Show certificate of quality | |
4.Application of 99.95% Tungsten Heater For Vacuum Furnace:
Tungsten heater components have a substantial effect on the Al2O3 melt's capacity to produce turbulence and radial temperature gradient when utilized as a heat source in the sapphire growth furnace. Therefore, high-purity and high-density tungsten heater components with careful manufacture and acceptable design have a significant impact on sapphire crystal quality control, energy efficiency, and service life.
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