Resistohm 123

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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 -