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W Type SIC HETAING ELEMENT

W type SIC HEATING ELEMENT

                                                                                                     SIZE  AND  RESISTANCE


Diameter

(d)

Length of hot zone (I)

Length of cold zone

Overall Length

(L)

Range of Resistance

Diameter

(d)

Length of hot zone (I)

Length of cold zone

Overall Length

(L)

Range of Resistance

8

100-300

60-200

240-700

2.1-7.2

30

300-2000

250-800

800-3600

0.4-4.0

12

100-400

100-350

300-1100

0.8-6.0

35

400-2000

250-800

900-3600

0.5-3.4

14

100-500

150-350

400-1200

0.8-5.6

40

500-2700

250-800

1000-4300

0.5-3.0

16

200-600

200-350

600-1300

0.8-4.4

45

500-3000

250-750

1000-4500

0.3-2.5

18

200-800

200-400

600-1600

0.7-5.8

50

600-2500

300-750

1200-4000

0.3-2.5

20

200-800

250-600

700-2000

0.6-5.0

54

600-2500

300-750

1200-4000

0.3-2.5

25

200-1200

250-700

700-2600

0.6-4.5







在不同气氛下使用温度和表面负荷的影响
The influence of operating temperature and surface load on the rod surface in a different atmosphere.
气氛              atmosphere炉温              Furnace Temperature表面负荷                Surface Load              对硅碳棒的影响               the influe on the Rod
氨                   Ammonia12903.8与SIC作用生成甲烷破坏SIO2保护膜The action on SIC produces mathene and the protection film of SIO2
二氧化碳         Carbon dioxide14503.1侵蚀 SIC                   corrode SIC
一氧化碳         Carbon monoxide13703.8吸附碳粒,影响SIO2保护膜            Absorb carbon powder and influence the protection film SIO2
卤素             halogen7043.8侵蚀SIC破坏SIO2保护膜          corrode SIC and destroy the protection film of SIO2
氢                 hydrogen12903.1与SIC作用生成甲烷破坏SIO2保护膜The action on SIC produces mathene and the protection film of SIO2
氮               nitogen13703.1与SIC作用生成氮化硅绝缘层The action on SIC produces minsulating layer of silicon nitride
钠                   sodium13103.8侵蚀 SIC                   corrode SIC
二氧化硫            sulphur dioxide13103.8侵蚀 SIC                   corrode SIC
氧                   oxygen13103.8碳化硅被氧化SIC Oxidized
水蒸气            water-vapour1090—13703.1-3.6与SIC作用生成硅的水化物The action on SIC produces hydrate of silicon 
碳氢化合物           hydrocarbon13703.1由于吸附碳粒而导致的热污染Absorb carbon power resulted in Hot pollution
Sic heating element Physical property 
项目Item 单位 unit指标 Data
比重 Density g/cm3 2.7
气孔率 Porosity %≯ 24
抗折强度 Flexural strength Mpa 80
莫氏硬度Mon's hardness 级 9.5
辐射率 Ratio λ=0.65μ0.87
热膨胀系数Coefficient of thermal expansion×10 -6/℃600 ℃ 4.3
900 ℃ 4.5
1200 ℃ 4.8
1500 ℃ 5.2
热传导率Thermal conductivity W/m.k600 ℃ 16-21
1100 ℃ 14-19 
1300 ℃ 12~19
比热 Specific heat ×10j/kg℃0 ℃6.2
400 ℃ 10.6
800 ℃ 12.3
1200 ℃ 13.6
1600 ℃ 14.8
成分含量SIC(%)≥98Fe2O3 (%)≤0.3
SIO2(%)≤0.8C(%)≤0.2

                                                                                                      

                                                                                                               Delivery

For orders,the delivery time is 15 working days;For large orders or urgent orders,the delivery time can be negotiated. The product may be transported by by air, boat, railway, Express etc.



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