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2713-1220 adapter

Date£º2012-4-1 14:24:22 Hit£º Tage£º2713-1220 adapter

2713-1220   adapter 

parts mechanical property

 impact over than 18J 

hardness HRC47-52

material grade 30CrNiMo 

we made them by shell mold casting,for it is wearing parts,peopl have to replace them often,so we apply a better hardness to it,the material will be heat treatment to a high HRC,hardness,