Stainless steel linear axis has high corrosion resistance, high strength and wear resistance to maintain its efficient operation performance. Therefore, it can be used in places where oxidation is prone to occur, such as water, chemicals, steam, seawater, etc. Material: SUS404C, SUS304 Hardness: HRC60±2; Hardened layer depth: 0.8-3mm; Surface roughness: RA0.10m-RA0.35m Straightness