DIN2391 BKS ST52 precision seamless honed tube / High Precision Cold Drawn Seamless Steel Tube

our company information

our company is one of the best supplier of precision seamless steel tube in north of China ,since 2002 cold drawn machine set importing ,xinpeng become a big precision steel pipe manufacture with 500Mt month productivity in the next 12 years.our product widely used in hydraulic cylinder ,automobile ,oil drilling ,textil machinery ,engineering machinery ,welcome to our company to visinting and negotiate business .

our product information

 some dimensions

 the tolerance of dimension

 the delivery condition

1. NBK(+N)

after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium

2. GBK(+A)

after cold forming, annealing in non oxidizing medium protective gas

3. BK(+C)

the final heat treatment after cold forming, therefore small steel pipe plastic, the plastic degree does not guarantee

4. BKW(+LC)

after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring)

5. BKS(+SR)

have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing again

some pictures of our company and product

our services

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

2. Flexible terms of payment by

3. Big discount for repeat customers

4. Smooth delivering procedure

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

packaging and shipping

(1)Delivery time: In 20 days or according to client's requires 

(2)Trade terms: EXW/FOB/CIF etc

(3)Payments: T/T or L/C or according to client's requires

(4)Port: Yantai or Qingdao

(5)MOQ: 5 metric tons or at customer's demands

(6)Packing: we usually bundle with steel strips ,branding parcel or wooden box outside ,or according to the customer’s acquirement

our processing

pir

our certificate

application

FAQ

WHAT IS THE ADVANTAGE OF OUR COMPANY ?

 1. Free sample can be provided

2. Small order is acceptable

3. Any third party testing is acceptable

4. 12Months quality guarantee

5. Factory price

6.we have various specification seamless steel tube