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PREMIUM 1.7225+QT

AISI/SAE 4140+QT


Technical properties:

Heat-treatable steel (tempered condition) that can be used for a wide range of applications with a high degree of strength and toughness. Often used for demanding applications in automotive engineering. In quenched and tempered condition it is used in machine construction. Working hardness: 27 (min. hardness / delivery condition) - 48 HRC.


Applications:

Machine construction, machine parts, axes, knuckles, connecting rods, crankshafts, gear shafts, pinions, gears, bandages, base plates, assembling parts.