... properties 3. Higher level of pr oil product description: Spring Wire use of materials for: 65Mn,82B,72A,72B ... flexibility strong, powerful anti-stress.Uses: Mainly used for spring, Simmons bed, vehicles and various cushions, machine manufacturing, electric tools, Electrical ... Specifications: Line diameter 0.20 mm-6.50 mm. spring steel wire Product Detail Steel Gradehigh carbon steel StandardASTM,DIN ...