H13 кованой стали Полоса

H13/1.2344/SKD61/4Cr5MoSiV1Forged Stee Flat Bar H13 Hot work mold steel The similar grades of foreign countries GB 4Cr5MoSiV1 AISI H13 JIS SKD61 DIN 1.2344 KS STD61 Chemical Composition (GB) % C Cr Si Mo V Mn P S 0.32- 0.45 4.75- 5.50 0.80- 1.20 1.10- 1.75 0.80- 1.20 0.20- 0.50 ≤ 0.030 ≤0.030 Performance Air cooling and hardening type of hot-work die steel has excellent heat strength and hardness, high abrasive resistance and toughness and also pretty good property of resistance to cold and hot fatigue. Applications For making forging dies of die forging hammer, hot extrusion dies, mandrels, die-casting molds of light metals like aluminum and zinc, tools used for hot upset forging structural steel and heat-resistant steel and dies used for high-energy-rate forging machine.