Chemical Content(%)
C |
P |
S |
Mn |
Si |
Cr |
Ni |
Al |
Fe |
Other |
Max |
0.05 |
0.025 |
0.025 |
0.20 |
Max 0.40 |
26.5~27.8 |
Max 0.60 |
5.0~7.0 |
Bal. |
Mo 1.8-2.2 |
Mechanical Properties
Max Continuous Service Temp |
1350ºC |
Resisivity at 20ºC |
1.45 ohm mm2/m |
Density |
7.1 g/cm3 |
Thermal Conductivity |
46.1 KJ/m·h·ºC |
Coefficient of Thermal Expansion |
16.0×10-6/ºC |
Melting Point |
1510ºC |
Tensile Strength |
637~784 Mpa |
Elongation |
Min 12% |
Section Variation Shrink Rate |
65~75% |
Repeatedly Bend Frequency |
Min 5 times |
Continuous Service Time |
- |
Hardness |
200-260HB |
Micrographic Structure |
Ferrite |
Magnetic Property |
Magnetic |
Temperature Factor of Electrical Resistivity
20ºC |
100ºC |
200ºC |
300ºC |
400ºC |
500ºC |
600ºC |
700ºC |
800ºC |
900ºC |
1000ºC |
1100ºC |
1200ºC |
1 |
0.997 |
0.996 |
0.994 |
0.991 |
0.990 |
0.990 |
0.990 |
0.990 |
0.990 |
0.990 |
0.990 |
0.990 |