Description Name: DIN 2391 Seamless cold drawn tubes, DIN 2391 Seamless precision steel tubes, ST52 Precision tubes, Seamless precision tubes, DIN 2391 ST52 Seamless precision steel tubes, ST 52 Honed tubes, ST52 cylinder tubes Size: 30mm-1000mm W.T.: 3mm-50mm Shape: Round Production type: Cold drawn Length: as customer’s actual request max length is 13m Grade: St52 Other Available Products We Can Supply St52 BK+S DIN2391 Honed Tube H8 DIN2391 Honed Cylinder Tube Skived and Roller Burnished Tube Chrome Plated Bar Chrome Plated Hollow Bar/Chrome Plated Tube Hydro Machinery Speciaziled in hydraulic honed tube for more than 20 years, we are factory directly supply ,wholesale price and best customer services,any inquiry please contact us .