concrete plant spacer:
hardness:48-62HRC

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

produce technology:

1,the choosing of the chemical composition is scientific

2,the exactly technology to control the temperature

3,the advanced technology of heat treatment

4,the advanced technology of melt and refine

5,the advanced testing way

6,the advanced technique and possess for smelt