Detailed Product Description 1) Standard: GB DIN ASTM EN BS and so on2) Application: pipe used for mechanical structure, hydraulic pressure, pneumaticlinear actuator3) Material: 10#, 20#, 35#, 45#, 16Mn, A106Gr.A, A106Gr.B and low alloyed steel OEM can available Packing:export standard package anti-press anti-corrode