Specification:
1?hardness:52-62HRC
2?useful life:can be produced more than 200000 cubic meter concrete or 300000 tons asphalt
3?material:Hi-chrome
4?standard:
CN:KM TB Cr 15-25-GT
US:ASTM A532 Class Two Type D
5?strength of extension:380 N/mm2
6?extension at break:1%
7?shock impact(resistance)value:>5 ak N.M/CM2
8?flexuralstrength:>600 ak N.M/CM2
9?certification:ISO9001:2008
