SAE4130 roller burnished cylinder tube we can manufacture includes cold rolled or hydraulic cold drawn seamless alloy steel tubes suitable for honing, honed tubes, and skived and roller burnished tubes from 40mm*30mm to 325mm*300mm.

Commodity: SAE4130 roller burnished cylinder tube

Types: cold drawn or cold rolled seamless tubes suitable for honing or skiving and roller burnishing, honed tubes,and skived and roller burnished tubes

Standard specification&material: ASTM A519 SAE4130,SAE4140,EN10305-1 25CrMo4,34CrMo4,42CrMo4,etc.

Size range:

Tubes suitable for honing or skiving and roller burnishing: 40mm*30mm - 325mm*300mm

Honed tubes: 40mm*30mm - 480mm*450mm

Skived and roller burnished tubes: 73mm*63mm - 300mm*280mm

Manufacture method: cold rolled, hydraulic cold drawn

Delivery condition: 

Internal surface treatment method: honing or skiving and roller burnishing

OD tolerance: as per DIN2391-1

ID tolerance of tubes suitable for honing or skiving and roller burnishing: given by customer

ID tolerance of honed tubes or skived and roller burnished tubes: H7,H8,H9,H10 or given by customer.

W.T tolerance(eccentricity): +/-5%

Bore roughness(Ra): 0.25um max for skived and roller burnished tubes, 0.4um max for honed tubes.

Chemical composition requirement of E355 material:

Mechanical properties of E355 tubes:

Packing: tubes will be packed in bundles tied with steel strips. Slightly internal and external oil coating for anti-rust protection. End plastic caps. External packing by knit bags.

Marking on each piece of tube: to be confirmed.

External machining or external polishing service can be provided.  

Mechanical stamp on each piece of tube can be provided.

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 receipt of tubes.

Third party inspection or customer's inspection is acceptable.

Trade term: FOB,CFR,CIF,DAP.