ASTM A519 SAE4140 cold drawn seamless square mechanical tubing

Commodity: ASTM A519 SAE4140 cold drawn seamless square mechanical tubing

Manufacture method: cold rolled, hydraulic cold drawn

Size range: 100*80*4-320*300*40

Standard&material: BS 6323-4 CFS3,CFS4,CFS6,CFS7,CFS8,CFS10,CFS11 ,and equivalent standard specification and material like ASTM A519 SAE1010,SAE1020,SAE1026,SAE1045,SAE4130,SAE4140,etc. 

Delivery condition: +CW, +A,+N, +SR, +QT. 

Special requirements like tighter size tolerance,ovality,straightness,black phosphating,external machining or polishing can be negotiated for supply.

Packing: in bundles tied with steel strips. Slightly internal and external oil coating for anti-rust protection. End protection by plastic caps.

Marking: to be confirmed as per customer's requirement.

We can supply seamless mechanical tubing with special technical requirements like perfect straightness,tight size tolerance,special mechanical properties,etc.

We can supply BS6323-4 seamless steel tube for automobile mechnical and general engineering purpose upto 325mm with length of 13.8 meters max.  

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

MOQ: 5 tons for each size.

Warranty: 1 year after shipment of tubes.

Third party inspection or customer's inspection is acceptable.