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C45 / 1.0503 - SteelNumber - Chemical composition

207. Brinell hardness (HBW):(+SH) 172 - 242. Properties of steel C45 (1.0503) Weldability:Due to the medium-high carbon content it can be welded with some precautions. Hardenability:It has a low hardenability in water or oil; fit for surface hardening that gives this steel grade a