Main technologies and performance of electric heating radiation tubes:
1. The error range of the cold resistance of the electric heating wire is ≤ 3%;
2. The insulation resistance between the external protection tube and the heating wire is greater than 2M Ω;
3. Outer diameter of heating tube: from φ 60mm~ φ 300mm in various specifications;
4. Heating power: Various specifications ranging from 2KW/unit to 24KW/unit;
5. The length of the outer tube of the heating tube ranges from 800mm to 2800mm in various specifications;
6. Radiation tube outer wall thickness: various specifications ranging from 1.5mm to 16mm.
Electrothermal Material
Brand | Cr | Ni | AL | Mn | P | S | C | Fe |
Cr20Ni80 | 20~23 | Margin | ≤0.5 | ≤0.6 | ≤0.02 | ≤0.02 | ≤0.08 | ≤1.0 |
0Cr25AL5 | 23~26 | ≤0.06 | 4~7 | ≤0.07 | ≤0.02 | ≤0.02 | ≤0.06 | Margin |
0Cr21AL6Nb | 21~23 | ≤0.06 | 5~7 | ≤0.07 | ≤0.02 | ≤0.02 | ≤0.05 | Margin |
0Cr27AL7Mo2 | 26~28 | ≤0.06 | 5~7 | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.05 | Margin |
