Ready to hone tube

            Ready to hone tube or pre-honed tube is cold drawn tube specially prepared for futher honing, as hydraulic cylinder maker need to hone it at home to make sure the tube barrel pefect meet their desings. Or cylinder body need to be welded&machined before honing.


Our ready to hone tube OD and ID tolerance exactly made as per buyers request, normally ID in minus tolernace 0.2-1mm or more depend on tube dimension and buyers request, we can prepare tube in any length as buyer request,  our supply capacity size range from ID 40---450mm and material including : SAE1026, St52(E335 SR), St52.3, SAE1020, CK45, AISI4140, 27SiMn, STKM 13A/C, etc. standard can be DIN 2391 or ASTM A 519 or JIS3455.


Despite raw tube selected from prime tube maker to grantee tube ID has no defects , We also provide swipe honing service on cold drawn tube to make sure each piece tube 100% good for further honing.


Ready to hone tube


Ready to hone tube normal process steps :
Raw tube checking&end machining ---pickling&soaping and sophasting ---cold drawn----stress relieving ( These two steps may be repeted for a few times subject to tube WT and size)--straightening-- dimension checking ---packing.



Hydraulic cold drawn bench

All copyright@credit steel