Surface Hardness HRC52-58 D5 Bulldozer Sprocket Segment CR4408/7P2636 for D5/D5B/D5C

 Standard exported wooden pallet

 Fumigate seaworthy packing 

 1.Castings processing must produce according to requirements and drawings

 2.The workpiece is annealed to eliminate internal stress , the surface sand should be clean .Tooth tooth relative to the standard , the error should be controlled within 5 range .

 3.The modulation of heat treatment hrc30-36 , surface frequency quenching , tempering thesurface hardness of hrc48-hrc54 , hardened layer 5-9mm , core hardness of HRC28 ormore , hardened layer microstructureRequired to achieve the m4-6 stages .

 4.The mechanical tensile strength & N / mm2 > 620 , yield strength & N / mm2 > 375.

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