Rod Diameter	20mm-1500mm
Maximum Stroke	630mm
Outer Tube Diameter	30mm-1600mm
Inner Tube Diameter	20mm-1500mm
Material	Carbon Steel
Application	Hydraulic Pipe
Roughness	Ra <= 0.2u
Diameter	30mm-1600mm
Surface Treatment	Honed & SRB
Color	Black
Product name	DIN2391 ST52 H8 1020 hydraulic tube Honed Steel Pipe and Tube
Material	E355 ,Q345 , ST52 ,  SAE1026.CK45 STKM 13C
Length	<=13 meters

Packing : hydraulic tube Honed Steel Pipe and Tube pack by plastic caps on both ends, then bundle with knitting strip and steel strip MAX Auto Parts is the manufacturer and exporter of hydraulic parts . Main product range: hydraulic cylinder tube ,Honed & SRB(SKIVED AND ROLLER BURNISHED ) , chrome plated piston rod . The partner factories has got the TS16949 certificate . There is complete production facilities include : CNC machine, lathe machine, grinding machine and so on ,some of machine bought from abroad , with high precision . Max also have a series of testing equipment to control quality , such as projector, roughness tester, micro hardness tester, universal tensile machine, Metallography analyzer, thickness tester, salt spray tester . Max's engineers team with rich experiences in the line of auto parts, they will not only source products for customers, but also provide technical support , production all-time supervision and quality track service . OEM and ODM both available . Max could provide all kinds of inspection service and report include PPAP report , RT, UT, MPI, WPS & PQR and so on . Max's products have been exported to Russia , Europe, Japan ,Korea, Africa, Canada, USA, Australia and so on . Max has a good reputation and established long term relationship with customers . Max aim at got a win-win cooperate with customer , we believe that Your business is our success !Product Application High power engine , hydraulic ram , and engineering forklift Process flow : Hot rolled seam;ess pipe – acid picking parkerising – cold drawn – heat treatment -straightening -honing or skiving and roller bunished S.R.B – inspection -Packing  Every tube before deliver have to inspection carefully ,include size check , weight check , function test , surface check and so on .