Home > News > Content
Cold Rolled Black A53 STKM13C High Pressure Seamless STEEL TUBE
Jan 07, 2017

Company Information

Established in December 1992, with registered capital of 5 million yuan and plant and office space of 12,000 square meters, covering an area of 20,000 square meters ,Yantai Xinpeng Steel Pipe Co,.Ltd. is one of the best suppliers of the precision tube and hydraulic cylinder 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.

What we can provide are seamless carbon steel tube, cold drawn steel tube, cold rolled steel tube, honed steel tube, SRB steel tube, hydraulic cylinder steel tube, and so on.

Products widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator, forklifts and the Petrol industry.



(1)cold drawn steel pipe/cold rolled steel pipe


Grade: 20#  45#  Q345B  Q345D  25Mn  27SiMn  E355  ST52 STKM13A

Standard: GB/T8713  GB/T3639  DIN2391  EN10305  ASTMA519

Range: 30-300mm

Length: 11m(max)


The cold process can improve the machanical property of the pipes and offer better tolerance.

(2)SRB&Honed steel tube


ID Tolerance: H8  H9

ID Roughness: RA0.4micron(max)

Length: 6m(max)


This process can improve the roughness of the inner tube with roughness 0.2-0.4um.