U84 M19 Coal Picks Coal Mining picks

  U95-Z25 Advanced Coal Mining Picks Technical Specification 1. Engineering OverviewThe U95-Z25 coal mining bits/ coal picks series represents the next generation of high-performance coal cutting tools, specifically engineered to meet the rigorous demands of modern mining operations. These industrial-grade mining picks combine cutting-edge metallurgical science with precision manufacturing processes to deliver unmatched durability and operational efficiency in both underground and surface mining applications. 2. Advanced Material Technology 2.1 Coal Mining Tools Body Engineering: Constructed from premium 42CrMo (AISI 4140 equivalent) chromium-molybdenum alloy steel Manufactured through: Computer-controlled closed-die forging at 1150-1200°C Precision oil quenching process Dual-stage tempering at 400-450°C Resultant mechanical properties: Surface hardness: 40-44 HRC (Rockwell C scale) Core hardness: 36-40 HRC Impact toughness: 45-60J at 20°C Fatigue strength: 500-5…