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DavidGood company with nice service and high quality and high reputation. One of our reliable supplier , goods are delivered in time and nice package.
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John MorrisMaterial experts, rigorous processing, timely discovery of problems in design drawings and communication with us, thoughtful service, reasonable price and good quality, I believe we will have more cooperation.
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JorgeThank you for your good after-sales service. Excellent expertise and technical support helped me a lot.
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PetraThrough very good communication all problems solved, satisfied with my purchase
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Adrian HayterThe goods purchased this time are very satisfied, the quality is very good, and the surface treatment is very good. I believe we will order the next order soon.
W1 99.95% Tungsten Products Heater For Vacuum Furnace Tungsten Heating Wire Tungsten Rod Heater In High Temperature

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xMaterial | Tungsten | Purity | 99.95% |
---|---|---|---|
Grade | W1 | Surface | Black Or Polished |
Size | Custom | Package | Plywood Case |
Highlight | W1 Tungsten Products,Furnace Tungsten Products,99.95% Tungsten Heater |
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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