Ceramic Rings / Ferrules for Drawn Arc Stud Welding

• Property: Wear Resistance
• Application: Refractory
• Use: Drawn Arc Stud Welding Torches
• Transport Package: in Standard Export Carton
• Specification: ISO9000: 2000
• Trademark: AIZA
• Model NO.: ferrule
• Origin: Lianyungang, China
• HS Code: 69091900
• Production Capacity: 2000000PCS/Month

Product Description

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	<

 
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.