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Commodity: St52 machined hollow bar
Manufacture method: hydraulic cold drawn, machining, deep hole boring.
Size range: 12mm - 400mm (OD), Length: 3000mm max.
Material: ST52 or other carbon steel grades like CK45,S45C, alloy steel like SAE4130, SAE4140,SAE4145, 42CrMo4,20MnV6,etc.
Delivery condition: Stress relieved, normalized, Quenched+Tempered.
Further treatment:
We can manufacture both cold drawn hollow bar with plain ends and machined hollow bar in accordance with drawings or design.
Packing: In bundles tied with steel strips. Oil coating for anti-rust protection.
Shipping: We suggest shipment effected by containers.
Based on our facilities, the following services are available:
1. External surface machining
2. Machining as per design or drawing.
3. Deep hole boring
4. External surface grinding
5. Drilling
6. Bore honing
7. Internal surface skiving&roller burnishing
8. External surface polishing
We are specialized manufacturer of cold drawn mechanical tubing,precision tubes,cylinder tubes,and machining service provider.
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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