Compression Spring 1.Dia:0.1-5mm 2.material: various of steels 3. ... SUS301 precise compenents compression spring specification1.made of carbon steel,stainless steel, manganese steel wire, nickel wire, galvanized wire,alloys,etc 2. ... precise compenents compression spring Brand NameXLSWire dia0.1 to 5mmMaterialCarbon steel, stainless steel, manganese steel wire, nickel wire, galvanized wire,alloys,etc ...