Induction hardened hard chrome plated piston bar

Induction hardened hard chrome plated piston bar Normal Diameter Diameter Tolerance Straightness Tolerance Surface Roughness Two End Chamfering (mm) μm(g6) μm/m Ra(μm) mm 12 -6～-17 100～-150/m 0.4～ 1.6 0.5 13 16 0.7 20 -7～-20 25 30 1 35 -9～-25 40 50 1～1.5 60 -10～-29 80 Performance: 45# soft shaft(cylinder shaft),45# hard shaft(high carbon steel),Gcr15 hard shaft(bearing steel) Diameter:12mm--80 mm； Length:100 mm--6000 mm ； Material:45#,GCr15 or steel material as your