Specification:

hardness:52-62HRC

useful life:can be produced more than 200000 cubic meter concrete or 300000 tons asphalt

material:Hi-chrome

standard:

CN:KM TB Cr 15-25-GT

US:ASTM A532 Class Two Type D

strength of extension:380 N/mm2

extension at break:1%

shock impact(resistance)value:>5 ak N.M/CM2

flexuralstrength:>600 ak N.M/CM2

certification:ISO9001:2008