Q345D 50Mn Heavy Steel Forging Process Wind Power Equipment Variable Pitch Specification Material elements C Si Mn P S Cr Ni Mo Cu 50Mn 0.48-0.56 0.17-0.37 0.70-1.00 0.035 0.035 0.25 0.30 -- 0.48-0.56 42CrMo4 0... Подробнее
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Heat Treatment Alloy Steel Forgings 1000mm Solar Energy Slewing Ring Bearing Rotary reducer is driven gear by worm,this operation can reduce speed well,the internal ring of slewing bearing is fixed on the ... Подробнее