Ceramic Rings / Ferrules for Drawn Arc Stud Welding

Model NO.: ferrule
HS Code: 69091900
Ceramic Ferrule for Stud Welding


1. Material: Cordierite ceramic

Name		 Alumina Dense Cordierite Porous Cordierite Cordierite-Mullite Mullite Corundum mullite
Density(g/cm3) 2.0~2.3 2.1 ~2.5 1.5 ~1.9 1.8~2.3 2.0 ~2.5 2.3 ~2.7
Coefficient of heat expansion(×10-6K-1)(20~800°C) ≤5 ≤3.5 ≤3.0 ≤3.5 ≤5 ≤6
Specific Heat (J/Kg.K)(20~1000°C) 900~1150 900~1100 900~1100 900~1150 1000~1150 1100 ~1300
Thermal Conductivity (W/m.k) (20~1000°C) 1.5~2.0 1.5~2.5 1.2~1.8 1.5~2.0 1.5~2.0 1.5~2.5
Impact Thermal Resistance(°C/min) ≥300 ≥300 ≥350 ≥350 ≥350 ≥300
Max. Working Tem.(°C) 1350 1300 1300 1320 1450 1550
Water absorption(%) 15-25 ≤2 15~25 15 ~25 15~25 15 ~25
Compressive strength(MPa) ≥28 ≥28 ≥25 ≥25 ≥28 ≥30
Chemical composition (%) Al2O3 55 ~65 25 ~38 28 ~38 40~52 60 ~70 70 ~80
SiO2 25~35 50 ~60 45 ~55 45 ~55 25 ~35 15 ~25
MgO 1~3 5 ~10 11 ~14 7~9 0 ~1 0 ~2
others <5 <5 <5 <5 <5 <5

 
 
 
2. Feature:
1). Good concentricity and consistency.
2). Excellent wear and heat resistance.
3). High strength, endurability and anti-aging performance.
4). Extremely precise design as well as customized products.  
 
 
3. Application:
They are widely used for magnetic force floating railway engineer,building bridge,building railway,large power plant,plane depot that needs wide span.
 
 
4. About us:
    Shenxing is engaged in R&D, design, manufacture, construction, and operations for technical ceramic parts and components. LED lighting ceramic, electrothermal ceramic, ceramic resistors, electronic ceramic, steatite ceramic, zirconia ceramic, alumina ceramic and etc. are our main products.These products have good insulation and thermal conductivity. The advantages are irreplaceable. They are applied to power, high-frequency induction welder, audio, computer, LED, bathrooms, etc.
   We can produce products according to your drawings or samples. Welcome you contact us for more information.I hope Shenxing can have the chance to give you the best service.        

Packed in box separately.

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Stainless Steel Repair Clamp

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SHANDONG PIPESOL FLOW EQUIPMENT CO.,LTD ,