Name: Hydraulic Cylinder Honed Tube Grade:ST52,ST52.3,CK45,E355,16Mn,STKM13C,SAE1020,SAE1026,SAE1045 Standard: DIN2391 Name: Hydraulic Cylinder Honed TubeGrade:ST52,ST52.3,CK45,E355,16Mn,STKM13C,SAE1020,SAE1026,SAE1045Standard: DIN2391ID: 40-1000MMLEength: random length or fixed length as customers' requirementSurface: 0.2 - 0.4µTolerance:ID(mm)Tolerance(mm)H7H8H9H10<=30+0.021/0+0.033/0+0.052/0+0 ...