Round Design
Wire Wound Design
Edge Wound design
Punched design
formed Design
tubular design
corrugated design
Louver design
Different Types Of Resistance Grids
| Parameter | Punched Stainless Steel | Formed Stainless Steel | Wire Wound (WW) | Edge Wound (EW) |
|---|---|---|---|---|
| Material | 304/406/410 | 304/410/316L | 304/316L/Nichrome cu-nickel | 406(FeCrAl) |
| Mounting | Rigid | Rigid | Rigid | Floating |
| Insulation | Micanite/Ceramic | Micanite | Segmented/Ceramic | Ceramic |
| Resistivity (microohm·cm) | 304-72 406-122 410-57 |
304-72 410-57 |
304-72 Nichrome-108 Cu nickel-49-54 316L-0.0009 |
406-122 |
| Temperature Coefficient (°C) | 304-0.0009 406-0.00014-0.00019 |
304-0.0009 410-0.0014 |
Nichrome-0.00011 Cu Nickel-7.25 316L-0.0009 |
406-0.00014-0.00019 |
| Design Temp. Rise (°C) | 740°C | 740°C | 375°C | 550°C |
| Material Density (g/cm³) | 304-8.06 406-7.30 410-7.75 |
304-8.06 406-7.30 410-7.75 |
cu Nickel-8.80 Nichrome 7.2316L-7.99 |
406-7.30 |
| Specific Heat (J/g°C) | 0.11 | 0.11 | 0.11 | 0.11 |
| Change of Resistance per 100°C | 406-1.4% 304-& 410-8% |
8% | 8% | 1.4% |
| Mechanical Strength | Unbreakable | Unbreakable | Unbreakable | Unbreakable |