Product details

PRODUCT NAME:

ED Type SiC heating elements

PRODUCT BRIEF

STA ED type sic heating elements have a same diameter for cold zone and hot zone,it is the same diameter of the three sections of hollow mandrel by a special process of processing heating element. Max temperature can up to 1400 deg C.

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STA ED (rod) type SiC heating elements

 

STA ED TYPE SiC heating elements is made from high-density, high-purity silicon carbide. Using the most modern production technology and expertise developed by STA from past experience, Type ED features high oxidation resistance, heat resistance and reinforced strength. Type ED is the most popular type of economical heating element capable of operating under hot and rigorous environments. As required by specific applications, various coatings can be applied to ED-type elements to prevent oxidation.


STA ED type SiC heating elements is also called RR type, it is a resistance type silicon carbide heating element. STA SiC heating elements are rod shaped or tubular depending on the diameter. They have a central heating section referred to as a hot zone and two terminal sections called cold ends. There are two types of material.The cold ends are impregnated with silicon metal - referred to as one piece, and low resistance cold ends which are furnace welded to the hot zone - referred to as a three piece or LRE (Low Resistance End) type. This lower electrical resistance cold end causes them to operate at a lower temperature. The extremities of the elements are metallized with aluminum to provide a low resistance contact surface to which the electrical connections are made using braided aluminum straps.


STA ED silicon carbide SiC heating elements, composed of high-purity, recrystallized silicon carbide, Using the most modern production technology and expertise developed by STA from past experience, have earned the reputation as the world’s leading heating elements. These elements are widely used as high-temperature heat sources for electric furnaces and for the firing of ceramic capacitors, ferrites and other electronic components

 

Features:

1)Withstands temperatures as high as 1600°C 

2)Generates high heat output per unit surface area, approximately 5-10 times the output of Nichrome wire

3)High strength and excellent shock resistance

4)Chemically stable

5)Heat source is free of noise and air pollution

6)Various coating products are available for protection against water vapor and harmful gas atmosphere

7)Easy to handle

8)Higher density resulting in longer life


Application:

ED silicon carbon rod uses a particularly wide range of high temperature furnace, low temperature furnace, glass industry, ceramic industry, magnetic industry, aluminum industry, rare earth industry and so on.

 

Type: ED 

Outer diameter: OD, mm

Hot zone length: HZ, mm

Cold end length: CZ, mm

Overall length: OL, mm

 

Examples

ED type, OD=50MM, HZ=1500mm, CZ=500mm

OL=2500mm, Resistance0.90Ω

For example of writing:

STA ED, 54 x HZ 1500 x OL 2413 x R 0.90 



Physical properties

Physical Properties of Product
Specific Gravity

2.6-2.8g/cm3

Bend Strength

>300kg

Hardness

>9 MOH'S

Tensile Strength

>150kg/cm3

Porosity Rate

<30%

Radiancy

0.85

 

 

Technic data of    SiC electric heating elements 

OD( mm)

HZ(mm)

CZ(mm)

OL(mm)

Resistance (ohms)

8

100-300

60-200

240-700

2.1-8.6

12

100-400

100-350

300-1100

0.8-5.8

14

100-500

150-350

400-1200

0.7-5.6

16

200-600

200-350

600-1300

0.7-4.4

18

200-800

200-400

600-1600

0.7-5.8

20

200-800

250-600

700-2000

0.6-6.0

25

200-1200

250-700

700-2600

0.4-5.0

30

300-2000

250-800

800-3600

0.4-4.0

35

400-2000

250-800

900-3600

0.5-3.6

40

500-2700

250-800

1000-4300

0.5-3.4

45

500-3000

250-750

1000-4500

0.3-3.0

50

600-2500

300-750

1200-4000

0.3-2.5

 

When you inquiry, Please inform us

d  ---- Outer diameter (OD)

l   ---- Length of Hot zone (HZ)
m ---- Cold end length(CZ)

L  ---- Length of Overall (OL)

A--- Shank spacing

R------Resistance

Q---Quantity

 

Oder sample: 

U type, OD=14mm, HZ=250mm, CZ=300mm, Resistance=3.0ohms.

Please specify as: U; dia8/14x250x300mmx3.0 ohms, a= 50mm 

 




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