Resistohm 123
Chemical Content, %
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
---|---|---|---|---|---|---|---|---|---|
Max 0.08 | Max 0.025 | Max 0.020 | Max 0.50 | ≤0.70 | 18.0~20.0 | ≤0.60 | 2.5-3.5 | Balance | - |
Mechanical Properties
Property Name | Value |
---|---|
Max Continuous Service Temp | 1100℃ |
Melting Point | 1500℃ |
Density | 7.35 g/cm3 |
Resisivity at 20℃ | 1.23 μΩ/m |
Specific heat | 0.49J(g·K) |
Thermal Conductivity | 13 W(m·k) 20℃ |
Coefficient of Thermal Expansion | 13.5*10-6 /K(20℃~1000℃) |
Tensile Strength | 637~784 Mpa |
Elongation | Min 12% |
Section Variation Shrink Rate | 65~75% |
Repeatedly Bend Frequency | Min 5 times |
Fast Life | Min 80h/1250℃ |
Hardness | 200-260HB |
Micrographic Structure | Ferrite |
Magnetic Property | Magnetic |
Temperature Factor of Electrical Resistivity
20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1.000 | 1.011 | 1.025 | 1.042 | 1.061 | 1.085 | 1.120 | 1.142 | 1.154 | 1.164 | 1.172 | 1.180 | 1.186 | - |