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
