... 4.100% UT Test Our forging products are extensively used for wind power generator, high-speed gear case , ... types of gears, ring gears, gear splined shaft, shaft,gear shaft,and stepped shaft which are made of nickel molybdenum steel, ... , stainless steel and carbon steel. The maximum forging shaft size is 12 m or close to12.8 tons. ... } )(); Carbon Steel or Alloy Steel Wind Power Generator Forging Shaft