YG20C cold heading cold punching physical properties of materials are described below: Hardness: 83HRA, bending strength: 2480TRS, impact toughness N / M m: 9.0 Density: 13.5G / C ㎡. YG20C Recommended Applications: Suitable for use in the production of high strength screw mold standard parts, fasteners, bearings, hardware tools industry in general steel and iron products, cold heading and cold, cut notches and other processes used . YG20C standard straight-shaped cold heading die specifications described below: OD: φ10-φ80 bore: φ1-φ50 height :10-60.