Product Name: The Manufacturer Sells Various Kinds of Springs Shape: Coil Production Process: Cold Roll Load Type: Compression Usage: Auto, Furniture, Motorcycle Material: Steel Transport Package: Woven Bags, Cartons, Trays Origin: China Handan HS Code: 7320209000 Product Description Die springs are widely used in the stamping die, metal die-casting mold, plastic mold and other elastic motion precision machinery and equipment, automotive and other fields. Die spring material generally used chromium alloy steel. Chromium alloy spring steel has the characteristics of high temperature resistance, high rigidity, long service life. Rectangular die spring has the advantages of small volume, good elasticity, high rigidity, high precision, material is rectangular, surface color coating (plating) to distinguish different loading, the characteristics of beautiful appearance and so.Material60Si2MnA,60Si2CrA,60Si2CrV,etcWire diameter5mm ~80mmFree hight10mm ~1188mmhardness42HRC~52HRCDirection of coilsRight, leftTotal coilsDeted ByDrawing / Data.Load Bearing CapacityYellow( Lightest Load ) Blue(Light Load ) Red(Medium Load)Green(Heavy Load) Brown(EX-Heavy Load)ApplicationExcavator, digger machine, car, train, shakeout machine,Steel Plants,Railway Bogies & Wagons,,etc.Painting and CoatingAmino paint,Synthetic Enamel Paint, Powder Coating, Phosphate, Zinc Coating etc.Coloryellow blue red green BrownProduction methodHot formed, cold formedNoteThe materials and specifications can be decided by the customers.