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Quick Details

  • Place of Origin: Shaanxi, China (Mainland)
  • Shape: Pipe
  • Material: Silicon Carbide (SiC)
  • SiO2 Content (%): <0.4%
  • Al2O3 Content (%): <0.2%
  • MgO Content (%): 0
  • CaO Content (%): 0
  • Refractoriness (Degree): Common (1580°< Refractoriness< 1770°)
  • CrO Content (%): 0
  • SiC Content (%): >98.5%
  • Model Number: GDS
  • Brand Name: HJSIC

Packaging & Delivery

Packaging Details foamed inside and wooden box
Delivery Time 10 working days after confirm your payment

Specifications

1 Professional manufacturer
2 ISO 9001:2000 Certification
3 Lower price and Top quality and delivery time
4 Up to 1400C

 
Product Description

  

 
Packaging & Shipping

  

 

 

M type (W type) silicon carbide heating element ---super quality w type silicon carbide heating element

 1.The General Description of   Xi'an HJSIC W type silicon carbide heating rod for high temperature furnace

 

1). production process:

     made into blank,silicided under high temperature and re-crystallized.

 

 2)character:

    high-applied temperature ,anti-oxidization ,anti-corrosion ,long service life ,little deformation,

    easy  installation and maintenance.

 

 3)usage

   used in various high temperature electric furnaces and other electric heating devices,such as

   in the industries of magnet,ceramics,metallurgy ,glass,and machinery.

 

 4) physical properties of sic heating element  

  specific 

   gravity

2.6~2.8g/cm³

bend strength

>300kg

  hardness

>9 MOH′S

Tensile strength

>150kg/cm³

 porosity  rate

<30%

 radiancy

0.85

5)Recommend surface load

Furnace Temp (°c )

1100

1200

1300

1350

1400

1450

Surface load of hot zone (W/cm²)

<17

<13

<9

<7

<5

<4

6)Technical parameter of rod type silicon carbide heating element

 

OD

(Diameter)

HZ

(Hot Zone)

CZ

(Cold Zone)

OL

(Total Length)

Resistance

8mm

100-300mm

60-200mm

240-700mm

2.1-8.6 ohms

12mm

100-400mm

100-350mm

300-1100mm

0.8-5.8 ohms

14mm

100-500mm

150-350mm

400-1200mm

0.7-5.6 ohms

16mm

200-600mm

200-350mm

600-1300mm

0.7-4.4 ohms

18mm

200-800mm

200-400mm

600-1600mm

0.7-5.8 ohms

20mm

200-800mm

250-600mm

700-2000mm

0.6-6.0 ohms

25mm

200-1200mm

250-700mm

700-2600mm

0.4-5.0 ohms

30mm

300-2000mm

250-800mm

800-3600mm

0.4-4.0 ohms

35mm

400-2000mm

250-800mm

900-3600mm

0.5-3.6 ohms

40mm

500-2700mm

250-800mm

1000-4300mm

0.5-3.4 ohms

45mm

500-3000mm

250-750mm

1000-4500mm

0.3-3.0 ohms

50mm

600-2500mm

300-750mm

1200-4000mm

0.3-2.5 ohms

54mm

600-2500mm

300-750mm

1200-4000mm

0.3-3.0 ohms

2.Electric property of Top QUality 1450C W type silicon carbide heater

 

Sic heating element shave rather large specific resistance.When it is heated in air and the surface temperature of the hot zone reaches 1050°C,it's resistance rate is 600-1400mm2/mm and its resistance value changes as the temperature rises which is negative value from room-temperature to 800 °C  and is postive value nature over 800 °C .

 

 

The key factor to the optimum service life of the element is to select the surface load of the element correctly according to the furnace construction,atmosphere and temperature.The figure shows the relation between furnace temperatures,element temperature and element surface load under the condition that the element radiation is not obstructed.

 

3. Advices of using W type silicon heating element (HOT)

1)In order to keep furnace temperature and the charges uniform of each element, before installation resistance distribution must be carried.

 

2)As the element is very brittle ,be careful while install and maintain to avoid any damage.

 

3)when start to operate the furnace ,raise voltage slowly and gradually,never give full load at one time.

 

 

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