1,80kg-5t 2,length no more than 5m 3,mim dia over 150mm circular forging1,min OD around 400mm2,weight ... above 50mmshaft forging1,80kg-5t2,length no more than 5m3,mim dia over 150mmcylinder forging 1,min OD around 150mm2,weight ... ' clear requirements we can render excellent heat treatment. steel-forged-shaft