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dimension range 4-15mm
type of materials UNI C45
length of bars 2m, 2.5m, 3m, 5.7m
state of material natural
roughness of chromium face Ra 0.1-0.25um
dimensional tolerance ISO f7
straightness 1/1000
"minimal chromium
facing on ray" 20um
"concentricity of
chromium face" +/- 2um
"hardness of
chromium facing" HV 850+1150
"resietance in
neutral saline fog" ASTM B117 mini 40 hours
rating 8-10 ISO4540
piston rod steel bars shafts
