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Crane hook is very significant component used for lifting the load with the help of chain or metal ropes or hoists. Crane hooks failure is always occurred due to bending stresses acted upon it. To minimize the failure of crane hook, the stress induced portion in it must be analyzed. In this work, the different proportions of AISI 4340 alloy steel with Vanadium samples were prepared and its mechanical properties were carried out. As compared with other proportions of vanadium, 99.95% of AISI 4340 Alloy steel along with 0.05% of Vanadium was preferred since the better mechanical properties. SEM analysis reveals that .05% of vanadium plays vital role in the AISI 4340 alloy steels and creates the fine form of grains structure which leads to better mechanical properties. This project concludes that, usage of 99.95% of AISI 4340 Alloy steel along with 0.05% of vanadiumin the crane hook; it canachieve reliability and sustainability with high strength. It could be used where heavy load shipment is needed. Wrought iron and AISI 4140 also studied for the comparison with AISI 4340 in different proportions of vanadium.