Commodity: e355 roller burnished pipe

Standard specification&material: EN10305-1 E355

Size range:73mm*63mm - 325mm*300mm

Manufacture method: cold rolled, hydraulic cold drawn

Delivery condition: 

Internal surface treatment method: honing or skiving and roller burnishing

OD tolerance: as per EN10305-1

ID tolerance: H7,H8,H9,H10 or given by customer.

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

Bore roughness(Ra): 0.25um max.

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.  

Wooden box packing is available.

Mechnical stamp on each piece of tube can be provided.

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

Shipment: effected by containers.   

MOQ: 4 tons for each size.

Warranty: 1 years after receipt of tubes.