While AC405K grade offers wear and deformation resistance for finishing grey cast iron at continuous high speeds, general-purpose AC415K grade provides stable turning in range of grey and ductile cast iron applications. When performing interrupted or unstable turning, AC420K grade features fracture resistance that promotes stability. Each grade in AC400K Series utilizes EGZ chipbreaker for general-purpose grooving, and Super FF Coating and surface treatment strengthens fine Alumina layer.
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