DIN2391 ST52 Precision Seamless Cold Drawn Steel Tube Pipe

Yantai Xinpeng (top 5 manufacturers on the precision tube) has passed ISO9001 2015 verified and produces all kinds of specification seamless steel tube and hydraulic cylinder steel tube , these products mainly used in hydraulic cylinder ,automobile, engineering machinery, oil drilling ,printing machinery ,etc. our company  is also the distributer of several domestic well-known steel tube plants in Shandong ,and mainly distributes seamless steel tubes of all kinds of materials. Different size can operate especially hydraulic cylinder tube.

1.Material

7. Wall thickness: 10%×ID

Grade:20#(ck20,aisi1020),45#(ck45,aisi1045),st52(16Mn,Q345D),25Mn(STKM13CSt52 Hydraulic Cylinder using Cold drawn Seamless pipe-T),27SiMn and so on

2. Size range: OD: 30-250mm WT: 2-30mm

3. ID tolerance: H8, H9, and H10

4. Surface roughness: Ra 0.2— 0.8μm

5. Final supply condition: cold drawn and stress-relieved (BK+S), BK, NBK GBK

DIN2391 ST52 Precision Seamless Cold Drawn Steel Tube Pipe

6. Machining allowance: 0.5-1.5mm

Why you choose us as your best choice?

Our quality is the top five in China. Raw material is mainly from some famous refinery steel mills, such as BAO STEEL, Tianjin, and HENGYANG Etc, which are the best and largest raw material manufacturers in China.

We have been through ISO9001:2015 international quality system certification.

Warranty period for our honed tubes and chrome bars is 2 years. For some special or important customers, the period is 5 years.

All the orders, records of production and inspection would be kept for 5 years

High Precision: Honed tube (Roughness of tube is 0.2μm and straightness is less than 0.3/1000), Product details are completely according to International Standard, (Most of domestic mills don’t do this in order to reduce cost)

Delivery time is very fast. The average delivery time is20-30 days after confirming the orders.

Package: bundle with steel strips, braiding parcel at outside or as request.

Conservation: Anti rust oiled coating on the inside and outside of the surface.

About our service:

1．Cargo track service during transporting and feedback service after cargo is loaded on board

2. Payment：30% deposit, 70% balance before shipment. L/C at sight.

3. Big discount for repeat customers

4. Smooth delivering procedure.

5. Payment Terms: T/T, L/C and so on.

If there is any Question, please feel free to send us inquiry.

We will provide the professional Explanation.

We always do our Best!