| Material |
Composition |
Characteristic |
Usage |
| SUS303 |
18Cr-8Ni-高S |
Machinability. Due to having thermal resistance and excellent machinability, suitable for auto sturning. For the material having improved machinability, there are SUS303C, SUS303F, etc. and do not have thermosetting and magnetic property |
Bolt, nut, facilities for chemical industry, piping for food industry, components related to electricity and various cutting materials |
| SUS304 |
18Cr-8Ni |
Has excellent corrosion resistance, thermal resistance, low temperature tensile strength, and good weldability. No thermosetting is presented. It is very widely in use |
Facilities for chemical industry, piping for food industry, parts for cars, facilities for textile industry, thermal resistant parts, part for ships, construction and decoration, home appliance, home equipments |
| SUS316 |
18Cr-12Ni-2.5Mo |
Has excellent corrosion resistance and high high-temperature strength and good for spinning and cold-bending processing. |
Facilities for petrochemical industry, synthetic textile industry, chemical fertilizer industry, paper industry, and food industry |
| SUS420J2 |
13Cr-0.3C |
Steel grade, which has high hardness in the tempering state |
Nozzle, valve seat, valve, turbine, blade |
| SUS420F |
13Cr-高S |
Steel grade, which has high hardness in the tempering state |
Nozzle, valve seat, valve, turbine, blade |