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FHLTM HEATING ELEMENTS ROB (ROD OVER BEND) & SOB (STRIP OVER BEND)
Our Specializations:
• FHL™ Single Core ROB Heaters of any wire diameter
• FHL-Multicore™ ROB Heaters of any wire diameter.
• FHL™ SOB Heaters with multiple strip sizes..
Advantages:
• FHL-MULTICORETM is a special type of heating element which consume more power and produce great temperature compared to single core element in quick time for agiven in a given space.
• Easy to replace
• We work for your exacting requirements
Technical Data Sheet of FHL-MulticoreTM Heating Alloys
| Fe-Cr-Al Heating Element Alloy 1 Alloy 2 |
Ni-Cr 80 Heating Element | ||
|---|---|---|---|
| Standard Chemical Composition (%) | Al 6.0 | Al 6.0 | Cr 19-21 |
| Cr 23 | Cr 23 | Fe < 1 | |
| Fe 71 | Fe 70 | Ni 77 or more | |
| Other Elements in Small Quantity | |||
| Max. Duty Temp. of Heating Element (°C) | 1400 | 1420 | 1100 |
| Electric Resistivity (Ω mm2 m-1) | 1.45 ± 5% | 1.45 ± 5% | 1.08 ± 5% |
| Expansion from Thermal Factor | 15.1 x 10-6 | 14.8 x 10-6 | 17.6 x 10-6 |
| Hardness Hv Melting Point (°C) |
200-240 1500 |
200-240 1500 |
200-190 1500 |
| Electric Resistance Temp. Coefficient | 33 x 10-6 | 15 x 10-6 | 58 x 10-6 |
| Increase from Oxidation 1200°C (mg/cm2h) | 0.05 | 0.05 | 0.25 or less |
| Tensile Strength MPa (Kgf/mm2) |
650-900 (65-90) |
650-900 (65-90) |
700-900 (70-90) |
| Specific Gravity Elongation (%) |
7.1 15-25 |
7.1 15-25 |
8.4 20 or more |