... /1000mm,Flatness <5mm/1000mm Steel RulesCutting Rule:Cross Camber< 0.05mm,Straightness< 0.5mm/1000mm,Flatness <5mm/1000mm Length(1000)*Height(23 ... .80)*Thickness(0.45,0.53,0.71,1.05,1.42,2.10)/piece Body ... Rule: Cross Camber-0.01mm,Straightness 0.3mm/1000mm,Flatness 3mm/1000mm,Height tolerance±0.02mm Length(915)*Height(7.0,8.0,9.5,12 ...