STEEL FOR MACHINE STRUCTURE SUPERIOR IN STRENGTH-ANISOTROPY AND MACHINABILITY, AND COMPONENT FOR MACHINE STRUCTURE
PROBLEM TO BE SOLVED: To provide a steel for a machine structure, which shows adequate machinability (particularly, improvement of the life of a tool) even without containing Pb, and also decreases an anisotropy of strength by securing the strength in a transverse direction, and to provide a compone...
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