China High Wear Resistant Polished Custom Silicon Nitride Pipe Si3n4 Ceramic Sleeve, Find details about China Si3n4 Tube, Silicon Nitride Tubing from High Wear Resistant Polished Custom Silicon Nitride Pipe Si3n4 Ceramic Sleeve
Silicon nitride ceramic tube |
1.High hardness |
Applications Silicon nitride is widely used in many industries such as iron and steel, non-ferrous metals, chemical building materials and so on. It has the advantages of energy saving, environmental protection, high temperature resistance, corrosion resistance and so on. |
Item | Gas pressure sintering | Hot pressing sintering | Reactive sintering | Pressureless sintering |
Rockwell hardness(HRA) | ≥75 | - | >80 | 91-92 |
Volume density(g/cm3) | 3.25 | >3.25 | 1.8-2.7 | 3.0-3.2 |
Dielectric constant (εr20ºC,1MHZ) | - | 8.0 | - | - |
Electric volume resistivity (Ω.cm) | 10^14 | 10^8 | - | - |
Breaking tenacity (Mpam1/2) | 6-9 | 6-8 | 2.8 | 5-6 |
Elasticity modulus(GPa) | 300-320 | 300-320 | 160-200 | 290-320 |
Thermal expansivity (m/K *10-6/ºC) | 3.1-3.3 | 3.4 | 2.53 | 600 |
Thermal conductivity (W/MK) | 15-20 | 34 | 15 | - |
Weibull modulus(m) | 12-15 | 15-20 | 15-20 | 10-18 |
1. High-quality products | 2. Optimal price | 3. Safe transportation |
4. Sample service | 5. Customized size | 6.Compensate for broken goods |
7.Safe package | 8. Transportation safety | 9.Low procurement risk |
Packing Details | We will packing by plastic/ polybay and bubble bags first , and then into the foam box,finally into the wooden cases/ carton/pallet or customized package.Every package can be offered with English installation instruction. |
Delivery Details | We can deliver by any courier, eg, TNT, UPS, FedEx, EMS etc.We can also by air, sea etc.We can choose the way according to the requirements of ustomers to ensure the most safe, efficient and convenient transportation. |
Q:Are you a manufacturer or trading company ?
A:We are professional manufacturer in China ,and have in this line for almost 10 years.
Q:Will your company supply samples?
A:Of course,if we have sample in stock,we will be glad to offer you free samples.
Q:Would it be possible for us to visit your factory?
A:Sure, we welcome you at any time! Seeing is believing.
Q:Do you support OEM?
A:Yes
Q:Which payment terms are you accept?
A:T/T, LC, Western Union, Money Gram,etc