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                        1)crane Sheaves block structure


                        2) crane Sheaves block description


                           1. Sheave large range of size available: Φ800 mm~Φ3000mm 

                           2. Sheave rim Forging Material : 45(S45C); Q345B Q345D,Q345E( used for -40℃) ,35CrMo and so  on or according  clients request for sheaves 

                           3.  Sheave groove : 

                               a. Groove profiles : according client request  and manufacture by CNC .  

                               b. groove heat treatment by intermediate frequency  quenching , hardness Min. HB350-370 and deep around  ≥2.5mm .  (different material can getting different hardness ) 

                               c. Groove MT test after heat treatment 

                           4. Sheave welding process according WPQR (WPS) AWD1.1 welding line 

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                        Tag:sheave,Sheave Block,crane Sheaves block
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