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Specifications
We manufacture SAE4140 alloy steel piston rod for hydraulic cylinder application with diameter upto 420mm.SAE4140 Alloy steel piston rod is a key part of hydraulic cylinders. We manufacture carbon steel hollow piston rods with diameter upto 420mm.
Commodity:SAE4140 alloy steel piston rod
Types of rods we can manufacture and supply: solid or hollow.
Size range: 12mm - 400mm (OD), Length: 3000mm max.
Material: carbon steel like CK45,S45C, alloy steel like SAE4140, 20MnV6,etc.
Manufacture method: machined, hydraulic cold drawn
Delivery condition: cold drawn, stress relieved,Q+T,hard chrome plated.
Chemical composition:
| Element | C | Si | Mn | P | S | Cr | Mo |
| Content (%) | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | 0.030 max | 0.035 max | 0.90-1.20 | 0.15-0.35 |
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:
| D<100mm | +/-0.35mm |
| 100mm<D<200mm | +/-0.50mm |
| 200mm<D<325mm | +/-0.75mm |
Straightness:
| L<3000mm | 0.5mm/1000mm max |
| 3000mm<L<5000mm | 0.8mm/1000mm max |
| L>5000mm | 1.2mm-2.0mm/1000mm max |
FOR COLD DRAWN ROUND BARS (+SR):
Size range: 60mm-325mm (Diameter), Length: 12800mm.
OD tolerance:
| D<100mm | +/-0.40mm |
| 100mm<D<200mm | +/-0.60mm |
| 200mm<D<325mm | +/-0.80mm |
Straightness:
| L<3000mm | 0.5mm/1000mm max |
| 3000mm<L<5000mm | 0.8mm/1000mm max |
| L>5000mm | 1.2mm-2.0mm/1000mm max |
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.
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