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Alumina Ceramic Screws Bolts and Nuts Machining Alumina Ceramic Parts
High Heat Resistance Industrial
Tired of fasteners failing under high temperatures, corrosion, or electrical interference?
Our Alumina Ceramic Screws, Bolts & Nuts are engineered to thrive in the harshest industrial conditions—
delivering unmatched durability and performance where metal fasteners fall short.
Core Advantages of Alumina Ceramic Fasteners
✅Extreme Temperature Resistance: Withstands continuous operation up to 1600°C (3000°F), far exceeding metal fasteners. Ideal for high-temperature furnaces, aerospace components, and industrial heating systems.
✅ Superior Corrosion Resistance: Impervious to acids, alkalis, salts, and harsh chemicals. No rust, oxidation, or degradation—perfect for chemical processing, marine, and offshore applications.
✅ Excellent Electrical Insulation: Volume resistivity >10¹⁴ Ω·cm, preventing electrical short circuits. Suitable for high-voltage equipment, semiconductor manufacturing, and electronic devices.
✅ Lightweight & High Strength: 60% lighter than steel with comparable tensile strength (up to 350 MPa). Reduces overall weight of equipment without compromising structural integrity.
✅ Wear & Abrasion Resistant: Hardness up to HRA 88, minimizing wear and extending service life in high-friction environments.
Application
Mechanical Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Colour
--
White
Yellow
Yellow
Density
g/cm³
3.7
3.85
3.9
Hardness
GPa
13.7
15.2
15.7
Compressive Strength
MPa
2000
2160
2350
Flexural Strength
MPa
280
310
350
Fracture Toughness
MPa・m1/2
3~4
3~4
4.5
Modulus of Elasticity
GPa
320
360
370
Poissons Ratio
--
0.23
0.23
0.23
Thermal Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Maximum Use Temperature
℃(No load)
1650
1650
1650
Thermal Conductivity @ 20°C
W/(m・K)
24
29
32
Thermal Expansion a at 20–400°C
1 x 10-6/°C
7~8
7~8
7~8
Specific Heat
J/(kg・K)
780
790
780
Thermal Shock Resistance
℃(Put in water)
200
200
200
Electrical Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Dielectric Constant
1MHz
9.4
9.9
9.9
Dielectric Strength
V/m
15 x 10 6
15 x 10 6
15 x 10 6
Dielectric Loss
1MHz
4 x 10 -4
4 x 10 -4
4 x 10 -4
Volume Resistivity @ 25°C
Ω・cm
>10 14
>10 14
>10 14
Volume Resistivity @ 500°C
Ω・cm
>10 8
>10 8
>10 10
Various Types of Alumina Ceramic Part
We Can Do OEM and 0BM According to Your Drawing and Requirements.
Features of alumina ceramic
* Relatively low density;
* Extremely high operating temperature;
* Very high hardness and compressive strength;
* Excellent electrical insulation properties;
* Corrosion and wear resistance;
* Biologically inert, food compatibility.
Alumina Ceramic Properties
The following only lists the performance parameters of the three most common aluminum oxide ceramics. Normally, alumina ceramics are composed of these types
Packing
FAQ
Q1. Do you provide product samples?
Yes, we provide samples subject to availability. A nominal sample fee may apply in some cases, and shipping costs are borne by the customer.
Q2. What are your accepted payment methods?
We accept T/T (bank transfer) in advance, Western Union, Alipay, and PayPal.
Q3. What is your typical delivery lead time?
Lead times vary depending on product requirements, including material selection, dimensions, and specific manufacturing processes.
Q4. Do you perform quality inspection before shipment?
Yes, we conduct 100% inspection of all goods prior to delivery to ensure they meet specified standards.
Q5. What other ceramic materials do you offer?
We supply a range of advanced ceramic materials, including Alumina, Zirconia, Aluminum Nitride,Boron Nitride, Silicon Nitride, Machinable Glass Ceramic, and related specialized ceramics.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2016
Total Annual:
10000000-30000000
Employee Number:
80~100
Ecer Certification：
Verified Supplier
Hunan Yuanhong New Materials Co.,Ltd
Hunan Yuanhong New Materials Co.,Ltd was established in 2016 in Loudi Hunan. As the lead manufacturer of advanced ceramics components, with continuous efforts in research and development, strict production quality control, and over 9 years of production experie...
Hunan Yuanhong New Materials Co.,Ltd
Hunan Yuanhong New Materials Co.,Ltd was established in 2016 in Loudi Hunan. As the lead manufacturer of advanced ceramics components, with continuous efforts in research and development, strict production quality control, and over 9 years of production experie...
