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1800C U shape electric molybdenum disilicide (MoSi₂) industrial heating elements

Product Details

Product Details

Product Description

Product Description
What is u shape mosi2 heating element?
The u shape mosi2 heating element looks like the letter “U” in English, it is durable and reliable at high temperatures.
U Shape Mosi2 Heating Element
The U shaped mosi2 heating elements are most frequently used suspended with the bottom of the “U” down. The element consists of two cold ends (Lu) and a U-shaped hot section (Le).
The cold ends are twice the diameter of the hot section and are attached by a weld. The extremities of the cold ends are metallized with aluminum to provide a low-resistance contact surface to which the electrical connections are made with flat braided aluminum straps.
Main MaterialMolybdenum disilicide MoSi2
ClassificationFurnace heater
Key Selling PointsLong Service Life
Supply Ability5000 Piece / Pieces per Week for molybdenum disilicide heating element
Volume Density5.8~6.2g/cm³
Bending Strength15-25kg/cm³
Vickers Hardness(HV)570kg/mm²
Porosity7.40%
Water absorption1.20%
Heating Elongation Rate4%
PackingCartoon box inside,Polyfoam filled, Wooden box outside
After-sales Service ProvidedOverseas service center available

U Shape Mosi2 Heating Element
These mosi2 heating elements are available in two grades: 1700 for element temperatures up to 1700 ℃ and 1800 for element temperatures up to 1850 ℃.
Standard specification
Two-Shank Elements
Manufactured to industry established diameters and resistance values in the following diameters: 3/6, 4/9, 6/12, 9/18 and 12/24.
Mosi2 heating element length:Lu length from 150 to 1000mm, Le length from 150 to 1500mm, customized is available.
Mosi2 heating element operation temperature: From 500C to 1750 ℃. Max temperature can up to 1900 ℃
Mosi2 heating element rod shape: U type; W type; straight type; L type.
Reference data for U shape mosi2 heating element
U shape mosi2 heating element specifications










Diameter(mm) φd(hot zone)/ φc (cold zone)shapelength(mm) Le(hotzone)/Lu(cold zone)a(mm)g(mm)f(mm)h(mm)n(mm)
StandardMinimum


StandardMinimum
3/6U shape,L shape,W shape or customizedcustomized25121530104035
4/9U shape,L shape,W shape or customizedcustomized25152030105045
6/12U shape,L shape,W shape or customizedcustomize50252545159070
9/18U shape,L shape,W shape or customizedcustomized6035327520135110
12/24U shape,L shape,W shape or customizedcustomized80504010035

The installation of U shape mosi2 heating element
Two-shank elements with straight terminals are defined by
Element grade 1700 Grade, 1800 Grade,1850 Grade, 1900 Grade or Super pure Type
Heating zone diameter “d”, mm
Terminal diameter “c”, mm
Terminal length “Lu”, mm
Heating zone length “Le”, mm
Center distance between shanks “a”, mm
U Shape Mosi2 Heating Element And Accessories
Example: 1800 Grade,9/18, Lu = 320 mm
Sizes Available
Le = 510 mm
A=50mm
As shown below：
U Shape Mosi2 Heating Element Drawing
Resistance coefficient of mosi2 heating element
Element temperature (℃)Type 1700 resistivity (Ω·mm2/m)Type 1800 resistivity (Ω·mm2/m)
200.3060.286
1000.4480.398
2000.6220.550
3000.8160.724
4001.0200.907
5001.2241.102
6001.4181.306
7001.6321.509
8001.8461.714
9002.0711.918
10002.2852.142
11002.4992.366
12002.7342.601
13002.9682.836
14003.2233.050
15003.4883.315
16003.7433.570
17004.0293.805
18004.3164.060

The assembly of U shape mosi2 heating element
1.Transition section (g) should be inserted inside the furnace, to avoid the case that heat can not emit and resulting in damage of the transition section.
2. When installing, it is necessary to keep certain distance between the U shape mosi2 heating element and furnace bottom (h).
3. Make sure a reasonable distance between the U shape mosi2 heating element and furnace wall.
4. The suggest surface load of 1700 type U shape mosi2 heating element and furnace wall under 1300 C furnace temperature is below 13. 5w/cm3. The suggest surface load of 1800 type U shape mosi2 heating element under 1600℃ furnace temperature is below 11. 5w/cm2. And the suggest surface load of 1850 type products under 1720 C furnace temperature is below 12 w/cm2.
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