Material: grey iron GG20/FC200
process: sand casting mold machining CNC precision machining
hardness HB: 140-210
size: 150*150*75mm general tolerance minimum +/-0.1mm
gross weight: 6g
net weight: 5.6g
surface treatment:environment firendly anti-rust oil protection
testing:tensile test 200 MPA
packaging: wooden case machine parts/mechanical components grey iron sand cast.