Welcome to Benedict-Miller Aircraft Quality AISI 4130 (E4130) Steel, AISI 4340 (E4340) Steel. Benedict-Miller stocks one of the largest inventories nationwide for 4130 (E4130) and 4340 (E4340) sheet, plate, and round bar. We will cut and finish to your specifications and offer you fast delivery worldwide, often shipping within a day or two!
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