Length: 1~20m as per customer design Technical Test: UST PT and ... , Max. Diameter 4000mm, Max Length: 15000mm.Output power: 1.25MW, 1.5MW or 2.0MW wind powerMaterial: ASTM.DIN,JIS or other International ... is mainly material for the wind power shaft.UT: EN10228-2.With 8000KN hydraulic press,4000KN oil press,PAM3800 ring rolling ...