Commodity: ST52 seamless honed pneumatic cylinder tube

Standard specification:EN10305-1 E355,C45E,DIN2391-2 ST52,ST52.3,ST52.4, ASTM A519 SAE1020,SAE1026,SAE1045,etc.

Size range: 70mm*60mm*325mm*300mm

Manufacture method: Hydraulic cold drawn, cold rolled

Internal surface treatment method: honing

Delivery condition: BK(+C), BKW(+LC), BKS(+SR), GBK(+A), NBK(+N).

Roughness of internal surface: 0.35um max.

Size tolerance:

OD tolerance as per EN10305-2 or DIN2391-1

W.T tolerance: +/-3% max.

ID tolerance: H9, H10, or as per customer's requirement.

Straightness: 0.8mm/1000mm max.

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

Shipment: We suggest shipment effected by containers on FCL basis.

Based on our current equipment and device, the following services are available:

1. Internal honing

2. Internal skiving&roller burnishing (for tubes with thick wall)

3. Deep hole boring

4. External machining

5. Machining as per drawing

We are specialized manufacturer of cylinder tubes, cylinder barrels, and cold drawn special tubings.

Payment: T/T, L/C, D/P.

Warranty: 6 months after delivery of goods.