O1 Oversize Ground Flat Stock, Oil Hardening Tool Steel Presco PM

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This Presco Oil-Hardening Oversize Tolerance Ground Flat Stock is made by Precision Marshall Steel Company. The steel type is AISI O-1 tool steel, annealed for easier machining. It is an electric furnace melt oil-hardening tool steel with a fully spheroidized structure. A non-shrinking general-purpose tool steel, it has excellent abrasion resistance, toughness and machinability characteristics.

The standard nominal sizes are ground to a satin finish on four sides, free of decarburization, held to tight tolerances in dimensions and squareness, and ready for layout. Each piece is lightly coated with rust-preventive oil and individually packaged in a vapor-resistant envelope which has the size and steel type clearly marked. All ends are precisely cut and deburred to insure excellent yields and handling safety. Thicknesses 3/16" and up are cold-sawn, while lighter sections are sheared. At least one end is painted green for easier identification of the steel type.

The oversize Thickness |T| tolerance is +.010/+.015". The oversize Width |W| tolerance is +.010/+.015". The 18" Length |L| tolerance is +.125/.250". The 36" Length |L| is tolerance +.250/.500".

The available thicknesses are 1/8 to 1 inches. The available widths are 3/16 to 8 inches. Please contact us if you need a different size, or if you need us to make any alterations.

RELATED:
PM Precision GFS, Presco O1 Ground Tool Steel, Fractional Inch Sizes
PM Precision GFS, Presco O1 Ground Tool Steel, Metric Sizes

DELIVERY TIME: Normally in stock and ships the next business day.

SHIPS FROM: Precision Marshall products are sent directly to you from the warehouses in Bolingbrook, IL; Hartford, CT; Euless, TX; or Santa Fe Springs, CA.

MINIMUM ORDER: None.

HEAT TREATMENT: For sections smaller than 1/4", heat to 1450-1475°F and hold until heated through. For larger sections, preheat to 1200°F, then raise to 1450-1500°F hardening temperature. Hold one-half hour per inch of cross section. Quench in oil at 125-150°F and TEMPER IMMEDIATELY.

TEMPERING DATA: