EN10305-1 Seamless Precision Honed Cylinder Tubing
Commodity: EN10305-1 seamless precision honed cylinder tubing
Standard specification and material:DIN 2391-2 ST52,ST52.3,ST52.4,EN 10305-1 E355,C45E,25CrMo4,34CrMo4,42CrMo4, ASTM A519 SAE1020,SAE1026,SAE1045,SAE4130,SAE4140, and other carbon steel and alloy steel.
Size range:40mm*30mm-480mm*450mm
Manufacture method: cold rolled, hydraulic cold drawn
Delivery condition: BK,BKW,BK+S,GBK,NBK.
Internal surface treatment method: honing or
skiving and roller burnishing
OD tolerance: as per DIN2391-1, EN10305-1, or ASTM A519
ID tolerance of honed tubes or skived and roller burnished tubes: H7,8,H9,H10 or given by customer.
Wall thickness tolerance (eccentricity): +/-5%
Roughness of internal surface(Ra): 0.25um max for skived and roller burnished tubes, 0.4um max for honed tubes
Packing: in bundles tied with steel strips.
Slightly internal and external oil coating.
End plastic caps covering both ends.
Marking: to be confirmed.
Based on our manufacturing facilities, the following services are available:
1. Honing
2. SKiving&Roller burnishing
3. Grinding
4. Machining
5. Welding
6. Threading
7. Polishing
We are ISO9001-2008 certified manufacturer of hydraulic cylinder tubes and cylinder barrels.
Payment method: 30% deposit,balance before shipment or against copy of B/L or L/C at sight.
MOQ: 4 tons for each size.
Warranty: 1 year after shipment of tubes.
Third party inspection or customer's inspection is acceptable.
Addtional tests or inspections like hardness test,grain size test,metallical phase test,ultrasonic test is available.
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