... quick delivery,ISO9001, 14001 ROHS 4.free sample compression spring Material:stainless steel,carbon steel,alloy steel Applications: Automotive, ... medical device, electronics,toy and so onThis spring will not be magenetic field,not fever,not be ... be used in various corrosive mediumsMain material: carbon spring steel, alloy spring steel, refractory steel, stainless steel, high temperature ...