Up to Grade 60
smooth surface HRC 25min
Better corrosion resistance than 4 series stainless steel
304HC is softer to processed than 304,and 304L is better than 304 & 304HC about anti-rust performance,easy to weld,good gor polishing,suits to better surface reuqired.
susceptible to attack by halogen acids and moderately resistant to the sulphur acids