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All Categories > Alloyed Bars and Plates > Hot Rolled Alloy Steels > 4145 Hot Rolled Annealed Alloy Steel  

4145 Hot Rolled Annealed Alloy Steel

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4145 Hot Rolled Annealed Alloy Steel - Rounds

These are oil-hardening steels of relatively high hardenability. Their chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. These grades are especially suitable for forging because they have self-scaling characteristics. They respond readily to heat treatment and are comparatively easy to machine in the heat treated condition. They resist creep in temperatures up to 1000°F and maintain their properties even after long exposure at these relatively high working temperatures. With a combination of such highly desirable properties as good strength and wear resistance, excellent toughness coupled with good ductility, and the ability to resist stress at elevated temperatures, ...

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