... between 1m and 5m 4,min dia over 150mm 1,main shaft forging2,80kg-5t3,length no more than 5m4, ... #,46#,etc.according to customers' different requirements.9,main material are 5CrMnMo,40Cr,42CrMo,20Cr2Ni4,5CrNiMo,15CrNiMo,20CrNiMo ... ,mould,shipping,transportation,agriculture,pipeline,metallurgy,GI,ETC.1,80kg-5t 2,length no more than 5m ... transportation,agriculture,pipeline,metallurgy,GI,ETC forged shaft