Commodity: machined seamless steel tube

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 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.