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Alumina ceramic is a ceramic material with alumina as the main body, which is used for thick film integrated circuits. Alumina ceramics have better conductivity, mechanical strength and high resistance.
The company has an independent plant, self-produced and sold, perfect technology and modern production workshop. Each process is produced strictly in accordance with the process, ensuring quality and quantity.
The argon arc welding nozzle is an accessory at the front end of the welding gun, which plays a protective role. Commonly known as: porcelain nozzle, argon welding nozzle The various types of porcelain nozzles produced by the company are strictly monitored from the preparation of raw materials, processing, firing, and inspection of finished products to ensure that customers are provided with high-quality and cheap products.
Product parameter table
Size
Part Number
Length (mm)
Orifice (in)
Orifice (mm)
Torchdesign
NO 4L
53N24L
29
1/4
6.5
24
NO 6L
53N27L
29
3/8
9.5
24
NO 4XL
53N24XL
62
1/4
6.5
24
NO 4XXL
53N24XXL
92
3/8
6.5
24
Material
Project
Alumina AL203
Silicon carbide sic
Silicon nitride sin
Silicon nitride sin
Color
Ivory
black
black
Milky white, gray black
Content(%)
99.5
……
……
……
Main features
Excellent high frequency electrical insulation
Good wear resistance
preservative
Strong
High hardness
Good high temperature strength
High thermal conductivity
Strong alkali resistance
Wear-resistant
Lightweight
Good high temperature strength
Strong impact resistance
Strong corrosion resistance
Lightweight
High strength and high impact resistance
Good self-lubricating
Strong alkali resistance
Smooth surface
Good toughness
The main purpose
Wear parts
High temperature parts
Corrosion resistant parts
Machinery Seal
Sliding parts
High temperature parts
Molten metal parts
Metal plasticity
Processed parts
Industrial knives
Pump parts
Wear parts
Density
Kg/m³
3.9*10
3.16*10
3.3*10
6.0*10
Mechanical behavior
Vickers hardness
Gpa
16.0
23.0
14.0
13.2
12.7
Flexural strength
Mpa
360
450
1020
1000
1470
Compressive strength
Mpa
2350
……
……
……
……
Fracture toughness
Mpa
4
2-3
7
4-5
4-5
Thermal performance
Linear expansion coefficient
40-400℃
×10-5/℃
7.2
3.7
2.8
10.5
10.8
40-800℃
8.0
4.4
3.3
11.0
11.3
Thermal conductivity
W/(m·k)
32
200
27
3
3
Specific heat
J/(kg·k)
0.78*10
0.67*10
0.65*10
0.46*10
0.46*10
Thermal shock resistance (in water)
℃
250
……
>800
300
350
Electrical performance
Dielectric strength
V/m
15*105
……
13*105
11*105
……
Volume resistance(20℃)
Ω·cm
>1014
108
1014
1013
……
Dielectric constant
……
9.6
……
9.9
33
……
Loss factor
×10-4
10
……
……
520
……
Product advantages
Durable, good electrical insulation; strong thermal shock resistance; good thermal conductivity; strong humidity resistance; high temperature resistance; good chemical stability; high mechanical strength.
In addition to common sizes and specifications, our company accepts drawings and samples for customization. If necessary, please contact our company directly.
FAQ
1. Are you a businessman or a manufacturer? We are a company, we have our own factory
2. How long is your delivery time? Negotiable
3. Can the product be customized? Can be customized
4. What is the product packaging? Carton or according to customer requirements