... steel .3,Flat steelSize : dia:1.0-25mm,it could be made by client’s requirement which size ... accord with International General Standard, you could check it out on the Material Quality Sheet.2,we are the ... c,keep 3-4H, furnace cold below 500°c, out and air cold ,hardness ≤229HBS,organizations is Ball ... of that , please contact us without any hesitation , it is our pleasure to service for you. Hot Sale ...