sae4140 cold drawn steel hollow bar
USD $1,200 - $3,000 /Ton
Min.Order:3 Tons
Changzhou Chengxin Metal Products Co., Ltd.
Commodity: sae4140 cold drawn steel hollow bar
Manufacture method: hydraulic cold drawn, machined
Size range: 12mm - 356mm (OD), Length: 12000mm max.
Material: ST52 or other carbon steel grades like CK45,S45C, alloy steel like SAE4140, 42CrMo4,20MnV6,etc.
Delivery condition: Cold drawn without final heat treating, stress relieved,annealed,normalized,quenched+tempered.
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: Oil coating, in bundles tied with steel strips.
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.