CK45 cold drawn hollow bar are mainly used to produce piston rods for hydraulic cylinders. We manufacture various carbon steel and alloy steel hard chrome plated rods with diameter upto 420mm.

Commodity:CK45 cold drawn hollow bar

Size range: 12mm - 356mm (OD), Length: 12000mm max.

Material: carbon steel like CK45,S45C, alloy steel like SAE4140, 20MnV6,etc.

Manufacture method: hydraulic cold drawn, machined

Delivery condition: cold drawn, stress relieved,Annealed,normalized,Q+T,hard chrome plated.

Chemical composition:

Further treatment:

We can manufacture and supply piston rods with hard chrome plating, external machining, internal threading,internal honing,external grinding.

FOR COLD DRWAN ROUND BARS (+C):

Size range: 60mm-325mm (Diameter), Length: 12800mm.

OD tolerance:

Straightness:

FOR COLD DRAWN ROUND BARS (+SR):

Size range: 60mm-325mm (Diameter), Length: 12800mm.

OD tolerance:

Straightness:

Packing: we will ensure seperate seaworthy packing for piston rods.  

Shipping: by containers.

External machining or grinding, internal honing, internal threading,hard chrome plating,.

We are ISO9001-2008 certified manufacturer of tubes and hollow piston rods for hydraulic cylinders and hydraulic cylinder barrels.

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

Delivery time: within 50 days.

MOQ: 3 tons for each size.

Trade term: FOB,CFR,CIF,DAP.

Third party inspection or customer's inspection is acceptable.