Die springs with rectangular section (the die spring) is mainly used for stamping die, metal die-casting mold, plastic injection mold and structural precision machinery. Die springs primarily use 50CrVA. It has installed small, good elasticity, rigidity, high precision, producing rectangular material and coating the surface separations (plated), beautiful appearance and so on. Our standard products are the light of day now standard B5012 (small load, light load, medium load, heavy load, overweight load), United standards (in the load, medium load, heavy load, overweight load), the United States ISO standard (light load, the load, heavy load, overweight load), German standard ISO10243 (1S, 2S, 3S, 4S, 5S) and so thousands of specifications for the user to choose.
