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Commodity: 4130 machined hollow bar
Manufacture method: hydraulic cold drawn+machining, machining+deep hole boring+drilling
Size range: 12mm - 400mm (OD), Length: 3000mm max.
Material: ST52 or other carbon steel grades like CK45,S45C, alloy steel like SAE4130,SAE4140, 42CrMo4,20MnV6,etc.
Delivery condition: Stress relieved,annealed,normalized,quenched+tempered.
Packing: Oil coating and seaworthy export packing.
Shipping: we suggest shipment effected by containers on FCL basis.
The following services are available:
1. External surface machining
2. External surface polishing
3. External surface grinding
4. Hard chrome plating
5. Deep hole boring
6. Bore honing
7. Skiving&roller burnishing
8. Drilling
9. Machining as per design/drawing.
We are manufacturer of:
1. Hydraulic cold drawn mechanical tubingsor precision tubes: 73mm*2mm-356mm*50mm.
2. Hydraulic cold drawn (and honed or skived&roller burnished) cylinder tubes: 73mm*63mm-356mm*300mm.
3. Cylinder barrel: cold drawn+honed or skived&roller burnished+machined or hot rolled+externally machined+deep hole bored+honed or skived&roller burnished+machined hydraulic cylinder barrels, ID of 70mm-250mm with length of 2800mm max, machining as per design or drawing.
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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