... steam, crude oil,gasoline,perspiration, alcohol, bloodand stuffs. 440 is also magnetic.Size Available: 0.5mm - 102mm (4")Grade Available: G10 ... organic chemicals, foodand sterilizing solutions. It has aSteel and is slightly magnetic.Size Available: 0.5mm - 102mm (4")Grade Available: ... the presence of sulfuric,phosphoric and acetic acids. It is theleast magnetic of the 300 series.Size Available: 0.5mm - ...