Superior Steel Alternative to
Pennsylvania Steel Corporation offers an alternative to SAE 4330 alloy steel
We produce FLEXOR® steel to provide similar, if not superior, chemical and mechanical properties to 4330 alloy steel. These properties allow FLEXOR® steel to be used effectively for applications that require fatigue strength and high wear resistance as an alternative to 4330 steel. These applications Aircraft and Aerospace Components, Drilling Equipment, Tool Holding Components, Work Holding Components, high-impact Machine Parts and other products for high impact applications. Being a proprietary grade, Pennsylvania Steel insures that all FLEXOR® heats meet a high quality vacuum degas electric arc furnace melt process in order to insure cleanliness, grain refinement and maximum reduction ratios.
FLEXOR®'s dependable quality and adaptability in heat treatment allows for a wide range of physical properties that are more appealing than those of typical ASTM, AISI or SAE 4330 alloy steel. FLEXOR® has a higher core hardness, resulting in a more uniform hardness through any cross section than 4330 alloys. The more uniform hardness and a fine grain microstructure yield the higher fatigue and tensile strength required for high wear and high stress applications. In addition, FLEXOR® does not exhibit the work hardening during machining that the Nickel-based 4330 alloy steel exhibits. Please compare total percentage of alloy below.
FLEXOR® steel is available in a variety of sizes and conditions. These include, but are not limited to, decarb free alloys, hot rolled rounds, peeled steel bars, ground and polished rounds, hot rolled flats, hot rolled plates, turned forged round and billet.
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