Hydraulic prop Seamless Steel pipe:
We specialize in the manufacture of hot rolled seamless steel pipe.The factory presently has rolled precision rolling mills, rolled annular rings reduce the diameter mill train. We accept customization, and offer the heat treatment service. Please send us your need.

Specification of Hydraulic pillar pipe:
1) Standard: DIN, ASTM, API, JIS, GB
2) Wall Thickness: 4.5mm~20mm
3) Outer Diameter: from 89mm~168mm
4) Grade:10#, 20#, 45#, Q345, ST35.8, ST37, ST42, ST45, ST52, API 5L /GR.B-X60, API 5CT /J55 K55 N80, A53, A106, A192, A179, A210, and etc.
5) Process Method:hot rolling.
6) Surface Coating:varnish painted on pipe(black painting),anti-corrosion oil,galvanized,or painting as customer's request.