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Commodity: 4140 hollow bar
Steel grade:25CrMo4,34CrMo4,42CrMo4,AISI4130,AISI4140,AISI4340,AISI4145,AISI4145H,etc.
Size: 70mm*5mm-325mm*160mm
Length: 1800mm max.
Manufacture method: hydraulic cold drawn, deep hole drilling, deep hole boring, machining.
Delivery condition: As rolled, Normalized, Quenched+Tempered.
Design: machining as per drawing.
Packing: oil coating and external packing, or as per customer's requirement.
Shipment: we suggest shipment effected by containers on FCL basis.
Based on the manufacturing capacity, the following services are available:
1. External surface machining
2. Machining as per drawing
3. Deep hole drilling
4. Deep hole boring
5. Honing
6. Skiving&roller burnishing
We are specialized manufacturer of cylinder tubes, cylinder barrels,and cold drawn special tubings including:
1. Unhoned or honed seamless cylinder tubes: 50mm*40mm-325mm*300mm.
2. Hydraulic cylinder barrel: ID of 50mm-250mm with length of 2800mm max, machining as per drawing
3. Hydraulic cold drawn seamless or ERW steel tubes: 70mm*2mm-325mm*50mm.
4. Machined steel hollow bar or seamless tube parts for oil&gas industry, automotive spareparts.
Warranty: 1 year after shipment of cargo.
Delivery time: within 30 days.
Payment method:T/T, L/C, D/P are all acceptable.
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