smooth bore cylinder tube

Smooth bore cylinder tube is a kind of honed or rough honed seamless tubes with ID tolerance of H9 or H10 and bore roughness of 0.8um max.

Commodiy: Smooth bore cylinder tube

Standard&material: EN10305-1 E355,C45E,25CrMo4,34CrMo4,42CrMo4 and equivalent standard specificatin&material like DIN2391-2 ST52,ASTM A519 SAE1020,SAE1026,SAE1045,SAE4130,SAE4140,etc.

Size range: 40mm*30mm -325mm*300mm

Manuacture method:hydraulic cold drawn,cold rolled.

Bore treatment method:honing,rough honing,skiving and roller burnishing.

Delivery condition:

OD tolerance: as per EN10305-1, or DIN2391-2, ASTM A519

ID tolerance: H8,H9,H10,H11

W.T tolerance: +/-5%

Straightness: 0.3mm/1000mm max, 0.5mm/1000mm mam, 1.0mm/1000mm max

Packing: in bundles tied with steel strips. Internal&external oil coating and end plastic caps.

Shipping: by containers.

We can supply tubes based n EXW,FOB,CFR,CIF and DAP term.  

We have 1 set of hydraulic cold drawin bench with capacity of 300 tons and 2 sets of skiving&roller burnishing machins .

Payment method: 30% deposit,balance before shipment or againt copy of B/L or L/C at sight.

MOQ: 5 tons for each size.

Warranty: 1 year after shipment of tubes.

Third party inpection or customer's inspection is acceptable.

Tade term: FOB,CFR,CIF,or DAP.