DB type silicon carbide heater rod general introduction

DB type silicon carbide heater rods consist of a hot zone with high electrical resistivity and rigidly connected with two thickened cold zones of low resistance owing to their larger diameter and special manufacturing technique.

Dumbbell type sic heating element
silicon carbide heater rod

The particular connecting technique ensures perfect mechanical and electrical operation. Hot zones and cold zones are made of exceptionally homogeneous, self-bonded silicon carbide.

Material Silicon carbide, Silicon Carbide (SiC)
Power Source Electric
Production process Made into blank, silicided under high
Packing Cartoon box inside ,Polyfoam filled, Wooden box outside
After-sales Service Provided Overseas service center available
flexure strength 50MPa
porosity 23%
Heat conductivity (hot end) 12-18W/m+℃ at 1000℃
specific heat 1.0 kj/kg+℃ at 25℃-1300℃
Specific resistance (hot end) 0.08Ω cm at 1000℃
The coefficient of thermal expansion 4.5X10-6

Video

Installation method about DB type silicon carbide heater rods

DB type silicon carbide heater rods are self-supporting and can be installed vertically or horizontally.

Db type silicon carbide heating elements
DB type silicon carbide heater rods

Model number and reference data sheet about DB type silicon carbide heater rods

Dimension of Dumbbell type silicon carbide heater rods
Hot zone Cold Zone Overall length (mm) Resistance at 1400℃ (Ω ) Max.of Loads, Watts(w),Voltage(v)and Current(A)at different temperature
Dia(mm) Length(mm) Surface(mm) Dia(mm) Length(mm) 1100℃ 1200℃ 1250℃ 1300℃ 1350℃ 1400℃
8 150 38 14 150 450 3.60 900 790 675 520 380 190
57/15.8 53/14.7 49/13.8 43/12.0 37/10.3 26/7.2
180 45 14 60 300 4.40 1080 950 815 635 460 230
69/15.7 65/14.7 60/13.8 53/12.0 45/10.2 32/2.7
180 45 14 150 480 4.40 1080 950 815 635 460 230
69/15.7 65/14.7 60/13.8 53/12.0 45/10.2 32/2.7
14 200 88 22 250 700 1.80 2110 1850 1570 1230 880 440
62/34.0 58/32.0 53/29.6 47/26.6 40/22.0 28/15.7
250 11 22 250 750 2.20 2640 2310 1980 1540 1100 550
76/34.7 71/32.6 66/30.0 58/26.6 49/22.4 35/15.8
250 11 22 350 950 2.20 2640 2310 1980 1540 1100 550
76/34.7 71/32.6 66/30.0 58/26.6 49/22.4 35/15.8
300 132 22 250 800 2.60 3160 2770 2370 1850 1320 650
90/34.8 85/32.6 78/30.4 69/26.7 59/22.4 41/15.8
300 132 22 350 1000 2.60 3160 2770 2370 1850 1320 650
90/34.8 85/32.6 78/30.4 69/26.7 59/22.4 41/15.8
400 176 22 250 900 3.50 4200 3680 3150 2450 1750 875
121/34.7 113/32.5 105/30.0 93/26.4 78/22.5 55/15.9
400 176 22 350 1100 3.50 4200 3680 3150 2450 1750 875
121/34.7 113/32.5 105/30.0 93/26.4 78/22.5 55/15.9
18 250 141 28 250 750 1.30 3370 2960 2540 1970 1410 700
66/51.2 62/47.8 57/44.5 51/38.8 43/32.8 30/23.3
250 141 28 350 950 1.30 3370 2960 2540 1970 1410 700
66/51.2 62/47.8 57/44.5 51/38.8 43/32.8 30/23.3
300 170 28 250 800 1.70 4080 3570 3060 2380 1700 850
83/49.2 78/45.8 72/42.5 64/37.2 54/31.5 38/22.4
300 170 28 350 1000 1.70 4080 3570 3060 2380 1700 850
83/49.2 78/45.8 72/42.5 64/37.2 54/31.5 38/22.4
400 226 28 250 900 2.30 5400 4740 4060 3160 2260 1130
111/48.6 104/45.6 97/41.9 85/37.2 72/31.4 51/22.2
400 226 28 350 1100 2.30 5400 4740 4060 3160 2260 1130
111/48.6 104/45.6 97/41.9 85/37.2 72/31.4 51/22.2
500 283 28 350 1200 2.70 6800 5960 5100 3840 2860 1420
135/50.4 127/47.0 117/43.6 102/37.6 88/32.5 62/23.0
600 339 28 250 1100 3.40 8150 7140 6130 4760 3400 1700
166/49.0 156/45.7 144/42.7 127/37.6 107/31.8 76/22.4
600 339 28 350 1300 3.40 8150 7140 6130 4760 3400 1700
166/49.0 156/45.7 144/42.7 127/37.6 107/31.8 76/22.4
800 452 28 250 1300 4.60 10800 9500 8140 6340 4530 2260
222/48.8 208/45.7 193/42.1 171/37.1 144/31.5 102/22.1
800 452 28 350 1500 4.60 10800 9500 8140 6340 4530 2260
222/48.8 208/45.7 193/42.1 171/37.1 144/31.5 102/22.1
25 300 236 35 400 1100 1.00 6040 4880 4080 3150 2180 1175
77.8/77.8 66.9/66.9 64/64 56.2/56.2 46.7/46.7 34.3/34.3
400 314 35 400 1200 1.34 7350 6920 5660 4400 3140 1760
99/76 95/73 86/66 76/58 64/49 48/36.5
30 500 472 45 400 1300 1.10 10800 9870 8450 6570 4700 2350
109/99 104/95 96/88 85/77.3 72/65.4 51/46.2
600 566 45 600 1800 1.28 13500 11800 10300 7900 5660 2820
132/102 123/96 116/89 102/77.5 86/66 61/46.5
1000 942 45 500 2000 2.10 22000 19800 17000 13200 9400 4700
214/103 204/97 189/90 160/79 140/67 100/47

The replacement of DB type silicon carbide heater rods

DB type silicon carbide heater rods can be replaced while the furnace is at operating temperature.

The power to the elements being changed should be shut off, the spring clips and aluminum braid released, and the old Starbar removed.

The new silicon carbide heater rod should be inserted smoothly through the hot furnace with sufficient speed to insure that the aluminum is not melted off the terminal end but not so fast as to cause thermal shock. can be replaced while the furnace is at operating temperature.

Db type sic heating elements

The application of DB type silicon carbide heater rods

DB type silicon carbide heater rod is often used in small box furnace, experimental furnace, tunnel furnace, Muffle furnace and so on.

High temperature electric furnaces used dia
High temperature electric furnaces used dia

DB type silicon carbide heater rods are often used in ceramics, electronics, magnetic materials, powder metallurgy, rare earth phosphor, lithium battery materials, precision casting and other industries

The advantages of DB type silicon carbide heater rods

The DB type silicon carbide heater rods have the characteristics of high temperature , low aging, fast heating, corrosion resistance, long life and small deformation at high temperature

When you inquiry, Please inform us

  • Outer diameter (CD) and (HD)
  • Length of Hot zone (HZ)
  • Cold end length(CZ)
  • Length of Overall (OL)
  • Vottage and Wattage
  • Quantity
Dbtype sic heating elements drawing
Db type silicon carbide heater rods drawing