... ,E355,16Mn,STKM13C,SAE1020,SAE1026,SAE1045 Standard: DIN2391 Name: Hydraulic Cylinder Honed TubeGrade:ST52,ST52.3,CK45,E355,16Mn,STKM13C,SAE1020 ... +0.035/0+0.054/0+0.087/0+0.140/0120 - <=180+0.040/0+0.063/0+0.100 ... .210/0315 - <=700+0.057/0+0.089/0+0.140/0+0.230/0 Hydraulic Cylinder Honed Tube