Silicon Nitride Welding Pin
- Brand Name
- 3X Ceramic Parts
- Material Type
- silicon nitride
- MOQ
- 5 pcs
- Specification
- customization
- Color
- grey
- Application
- spot welding machine
- Main Property
- long working life
- Delivery Time
- 15 days around
- Shipping Way
- by express
Silicon Nitride Welding Pin for Spot Welding Machine
We are a professional manufacturer for various type of ceramic welding pin . Its material types are also multi type for your option : alumina ceramic , silicon nitride pin , zirconia welding pin . Many of our customer prefer to choose silicon nitride welding pin or blue zirconia welding pin or white zirconia pin , depending on their working condition .
Comparing the properties of silicon nitride welding pin with the blue zirconia welding pin , silicon nitride welding pin with more higher hardness reach to 1500 HV . And the flexural strength and compressive strength of silicon nitride material are also better than zirconia ceramic at more higher temperature . You can refer to the properties sheet as below for your reference .
Properties sheet of zirconia ceramic and blue zirconia comparing :
| Properties | Units | ZrO2 | Silicone Nitride |
| Density | g / cm³ | 5.95-6.0g/cm³ | 3.23 |
| Water absorption | % | 0 | 0 |
| Coefficient of thermal expansion | 10-6/K | 10.5 | 3.2 |
| Modulus of Elasticity Young's Mod | GPa | 210 | 300 |
| Poisson's ratio | / | 0.3 | 0.26 |
| HV Hardness HV | MPa | 1300-1365 | 1500 |
| Flexural Strength @ room temperature | MPa | 950 | 720 |
| Flexural Strength @700°C | MPa | 210 | 450 |
| Compressive Strength @ room temperature | MPa | 2000 | 2300 |
| Fracture Toughness | MPa *m 1/2 | 10 | 6.2 |
| Heat conductivity @ room temperature | W/ m*k | 2-2.2 | 25 |
| Electrical Resistivity @ room temperature | Ω*mm2 /m | >1015 | >1013 |
| Max use temperature | °C | 1050 | 1050 |
| Resistance to acid alkaline | / | high | high |
| Dielectric Constant | / | 29 | / |
| Dielectric Strength | KV/mm | 9 | / |
| Thermal Shock Resistance | △ T ( °C ) | 280-350 | / |
| Tensile Strength @ 25 °C | MPa | 252 | / |
The advantage of silicon nitride welding pin :
Long life typically >12 months
• Excellent temperature response – melt temperature can be determined after approx. 1 min.
• Unaffected by corrosion throughout its lifetime
• Can be used in melts containing sodium and strontium
• No melt contamination
• High temperature resistance up to approx. 1,300°C
• High thermal shock resistance
• No preheating required at operation temperatures below 900°C
• Resists build-up of dross
• Electrically insulating
• High abrasion and erosion resistance
• Easy cleaning of bake-on
• Best price/performance ratio
