Astm steel plate s45c 1.Specifications of astm steel plate Round bar Diameter(mm) Length (mm) 20~800 3000~5800 Plate Thickness(mm) Width (mm) Length (mm) Max:800 1600~2300 3000~5800 2.Chemical compositon(%) C Si Mn Cr Ni Cu S P 0.42~0.50 0.17~0.37 0.5~0.8 Â?¤0.25 Â?¤0.3 Â?¤0.25 Â?¤0.035 Â?¤0.035 3.Delivery condition and heat treatment Forging 1100~850* Normalization 840~880 Hardening 820~860 water Subcritical annealing 650~700* Isothermal annealing 820~860 600x1h* Tempering 550~660 4.Characteristic Nice machanical porpertys and worse hardenability, so, it is used for machine parts 5.Application of astm steel plate 1): can be used in many fields such as building, automobile, shipbuilding, Petrochemical, machinery, medicine, food, electric power, energy, space, building And decoration, etc. 2): can be made into mould template, mortise pin, column. 3): this kind of steel have good mechanical property, is widely used in structural parts Which may support stress alternation, especially made into some connecting Rods, bolts, wheel gear... 4): this kind of steel is the most common blanks and materials of shaft part.