Stainless has Corrosion resistance, however low Abrasion resistance.
It’s difficult to combine both characteristics of Corrosion resistance and Abrasion resistance.
※Our original material ‘15MH’ has Corrosion resistance and Abrasion resistance characteristics.
The above chart of Corrosion resistance and Abrasion resistance of 15MH.
Material | Hardness HV |
Density g/cm3 |
Longitudinal elastic modulus ×104N/mm2 |
Specific heat J/(g・k) |
Heat conductivity W/(m・k) |
Heat expansion coefficient ×10-6/℃ |
Electrical resistivity |
Magnetic permeability |
SUS303 | Under200 | 8.03 | 19.3 | 0.50 | 16.3 | 17.3 | 72 | Non-magnetic |
SUS304 | Under200 | 7.93 | 19.3 | 0.59 | 16.3 | 16.1 | 72 | Non-magnetic |
SUS316 | Under200 | 8.03 | 19.3 | 0.50 | 15.2 | 17.3 | 74 | Non-magnetic |
SUS410 | 400~600 | 7.75 | 20.2 | 0.46 | 23.8 | 9.9 | 57 | Hard magnetism |
SUS420J2 | 500~700 | 7.75 | 20.6 | 0.46 | 25.0 | 10.4 | 56 | Hard magnetism |
SUS440C | 600~800 | 7.75 | 20.5 | 0.46 | 24.2 | 10.6 | 60 | Hard magnetism |
SUH660 | 7.94 | 20.1 | 0.46 | 15.0 | 16.8 | 9 | Non-magnetic | |
15MH | 500 | 7.75 | 19.5 | 0.46 | 14.7 | 13.1 | 70 | Non-magnetic |
SUJ2 | 750 | 7.75 | 20.8 | 0.46 | 46.0 | 12.5 | Hard magnetism | |
SK105(SK3) | 7.75 | 0.46 | 45.2 | 11.3 | Hard magnetism |