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4140 Prehard Alloy Flat


4140_prehard_flat_plate

4140 heat treated alloy is a chromium-molybdenum, medium carbon alloy steel, and is used in a wide variety of applications requiring high strength and toughness. The chromium imparts good hardness penetration while molybdenum provides hardness uniformity and strength. In the heat treated or prehard conditions it is in the 26-32 Rockwell C range and stress relieved to minimize warping during machining. Localized hardness may also be imparted by flame or induction hardening. Primarily used in press brake dies, 4140 is also a good choice for applications requiring greater toughness than mild steel. Other typical applications include: bolts, molds, stripper plates, slides, ejector plates, jigs, fixtures, punch plates, drill collars, couplings, axle shafts, valves, machinery shafts, reamer bodies, machine stops.

  • Finish: Decarb Free Ground/Milled
  • Tolerances: +.020/.045" thickness; +.060/.120" width
  • Condition: Heat Treated 26-32 Rockwell C
  • Applications: molds, stops, shafts, valves, collars, plates, bolts, slides
  • Specifications: A829, A435, G41400, AISI 4140
  • Available in full bars or cut to size lengths, production cutting available
  • Color Code: ORANGE

    Chemical Composition:

    Carbon: 0.38/0.43
    Chromium: 0.80/1.00
    Molybdenum: 0.15/0.25
    Manganese: 0.75/1.00
    Silicon: 0.15/0.35
    Phosphorus: 0.035 max
    Sulfur: 0.040 max




    Click here to view our Alloy Steel Guide



    4140 Prehard Alloy Plate and Flat Bar Stock Sizes:

    1/4" x 1" 4140 Prehard Alloy Flat
    1/4" x 2" 4140 Prehard Alloy Flat
    1/4" x 3" 4140 Prehard Alloy Flat
    1/4" x 4" 4140 Prehard Alloy Flat
    1/4" x 5" 4140 Prehard Alloy Flat
    1/4" x 6" 4140 Prehard Alloy Flat
    1/4" x 8" 4140 Prehard Alloy Flat
    1/4" x 10" 4140 Prehard Alloy Flat
    1/4" x 12" 4140 Prehard Alloy Flat
    1/4" x 14" 4140 Prehard Alloy Flat
    3/8" x 1" 4140 Prehard Alloy Flat
    3/8" x 2" 4140 Prehard Alloy Flat
    3/8" x 3" 4140 Prehard Alloy Flat
    3/8" x 4" 4140 Prehard Alloy Flat
    3/8" x 5" 4140 Prehard Alloy Flat
    3/8" x 6" 4140 Prehard Alloy Flat
    3/8" x 7" 4140 Prehard Alloy Flat
    3/8" x 8" 4140 Prehard Alloy Flat
    3/8" x 9" 4140 Prehard Alloy Flat
    3/8" x 10" 4140 Prehard Alloy Flat
    3/8" x 11" 4140 Prehard Alloy Flat
    3/8" x 12" 4140 Prehard Alloy Flat
    3/8" x 14" 4140 Prehard Alloy Flat
    3/8" x 16" 4140 Prehard Alloy Flat
    3/8" x 18" 4140 Prehard Alloy Flat
    3/8" x 20" 4140 Prehard Alloy Flat
    3/8" x 22" 4140 Prehard Alloy Flat
    3/8" x 24" 4140 Prehard Alloy Flat
    1/2" x 1" 4140 Prehard Alloy Flat
    1/2" x 1-1/2" 4140 Prehard Alloy Flat
    1/2" x 2" 4140 Prehard Alloy Flat
    1/2" x 2-1/2" 4140 Prehard Alloy Flat
    1/2" x 3" 4140 Prehard Alloy Flat
    1/2" x 3-1/2" 4140 Prehard Alloy Flat
    1/2" x 4" 4140 Prehard Alloy Flat
    1/2" x 4-1/2" 4140 Prehard Alloy Flat
    1/2" x 5" 4140 Prehard Alloy Flat
    1/2" x 5-1/2" 4140 Prehard Alloy Flat
    1/2" x 6" 4140 Prehard Alloy Flat
    1/2" x 7" 4140 Prehard Alloy Flat
    1/2" x 8" 4140 Prehard Alloy Flat
    1/2" x 9" 4140 Prehard Alloy Flat
    1/2" x 10" 4140 Prehard Alloy Flat
    1/2" x 11" 4140 Prehard Alloy Flat
    1/2" x 12" 4140 Prehard Alloy Flat
    1/2" x 13" 4140 Prehard Alloy Flat
    1/2" x 14" 4140 Prehard Alloy Flat
    1/2" x 16" 4140 Prehard Alloy Flat
    1/2" x 18" 4140 Prehard Alloy Flat
    1/2" x 20" 4140 Prehard Alloy Flat
    1/2" x 22" 4140 Prehard Alloy Flat
    1/2" x 24" 4140 Prehard Alloy Flat
    5/8" x 1" 4140 Prehard Alloy Flat
    5/8" x 2" 4140 Prehard Alloy Flat
    5/8" x 2-1/2" 4140 Prehard Alloy Flat
    5/8" x 3" 4140 Prehard Alloy Flat
    5/8" x 3-1/2" 4140 Prehard Alloy Flat
    5/8" x 4" 4140 Prehard Alloy Flat
    5/8" x 5" 4140 Prehard Alloy Flat
    5/8" x 6" 4140 Prehard Alloy Flat
    5/8" x 7" 4140 Prehard Alloy Flat
    5/8" x 8" 4140 Prehard Alloy Flat
    5/8" x 9" 4140 Prehard Alloy Flat
    5/8" x 10" 4140 Prehard Alloy Flat
    5/8" x 11" 4140 Prehard Alloy Flat
    5/8" x 12" 4140 Prehard Alloy Flat
    5/8" x 13" 4140 Prehard Alloy Flat
    5/8" x 14" 4140 Prehard Alloy Flat
    5/8" x 16" 4140 Prehard Alloy Flat
    5/8" x 18" 4140 Prehard Alloy Flat
    5/8" x 20" 4140 Prehard Alloy Flat
    5/8" x 22" 4140 Prehard Alloy Flat
    5/8" x 24" 4140 Prehard Alloy Flat
    3/4" x 1" 4140 Prehard Alloy Flat
    3/4" x 1-1/2" 4140 Prehard Alloy Flat
    3/4" x 2" 4140 Prehard Alloy Flat
    3/4" x 2-1/2" 4140 Prehard Alloy Flat
    3/4" x 3" 4140 Prehard Alloy Flat
    3/4" x 3-1/2" 4140 Prehard Alloy Flat
    3/4" x 4" 4140 Prehard Alloy Flat
    3/4" x 4-1/2" 4140 Prehard Alloy Flat
    3/4" x 5" 4140 Prehard Alloy Flat
    3/4" x 5-1/2" 4140 Prehard Alloy Flat
    3/4" x 6" 4140 Prehard Alloy Flat
    3/4" x 7" 4140 Prehard Alloy Flat
    3/4" x 8" 4140 Prehard Alloy Flat
    3/4" x 9" 4140 Prehard Alloy Flat
    3/4" x 10" 4140 Prehard Alloy Flat
    3/4" x 11" 4140 Prehard Alloy Flat
    3/4" x 12" 4140 Prehard Alloy Flat
    3/4" x 13" 4140 Prehard Alloy Flat
    3/4" x 14" 4140 Prehard Alloy Flat
    3/4" x 16" 4140 Prehard Alloy Flat
    3/4" x 18" 4140 Prehard Alloy Flat
    3/4" x 20" 4140 Prehard Alloy Flat
    3/4" x 22" 4140 Prehard Alloy Flat
    3/4" x 24" 4140 Prehard Alloy Flat
    7/8" x 1" 4140 Prehard Alloy Flat
    7/8" x 2" 4140 Prehard Alloy Flat
    7/8" x 2-1/2" 4140 Prehard Alloy Flat
    7/8" x 3" 4140 Prehard Alloy Flat
    7/8" x 3-1/2" 4140 Prehard Alloy Flat
    7/8" x 4" 4140 Prehard Alloy Flat
    7/8" x 5" 4140 Prehard Alloy Flat
    7/8" x 6" 4140 Prehard Alloy Flat
    7/8" x 7" 4140 Prehard Alloy Flat
    7/8" x 8" 4140 Prehard Alloy Flat
    7/8" x 9" 4140 Prehard Alloy Flat
    7/8" x 10" 4140 Prehard Alloy Flat
    7/8" x 11" 4140 Prehard Alloy Flat
    7/8" x 12" 4140 Prehard Alloy Flat
    7/8" x 13" 4140 Prehard Alloy Flat
    7/8" x 14" 4140 Prehard Alloy Flat
    7/8" x 16" 4140 Prehard Alloy Flat
    7/8" x 18" 4140 Prehard Alloy Flat
    7/8" x 20" 4140 Prehard Alloy Flat
    7/8" x 22" 4140 Prehard Alloy Flat
    7/8" x 24" 4140 Prehard Alloy Flat
    1" x 1" 4140 Prehard Alloy Flat
    1" x 1-1/2" 4140 Prehard Alloy Flat
    1" x 2" 4140 Prehard Alloy Flat
    1" x 2-1/2" 4140 Prehard Alloy Flat
    1" x 3" 4140 Prehard Alloy Flat
    1" x 3-1/2" 4140 Prehard Alloy Flat
    1" x 4" 4140 Prehard Alloy Flat
    1" x 4-1/2" 4140 Prehard Alloy Flat
    1" x 5" 4140 Prehard Alloy Flat
    1" x 5-1/2" 4140 Prehard Alloy Flat
    1" x 6" 4140 Prehard Alloy Flat
    1" x 7" 4140 Prehard Alloy Flat
    1" x 8" 4140 Prehard Alloy Flat
    1" x 9" 4140 Prehard Alloy Flat
    1" x 10" 4140 Prehard Alloy Flat
    1" x 11" 4140 Prehard Alloy Flat
    1" x 12" 4140 Prehard Alloy Flat
    1" x 13" 4140 Prehard Alloy Flat
    1" x 14" 4140 Prehard Alloy Flat
    1" x 16" 4140 Prehard Alloy Flat
    1" x 18" 4140 Prehard Alloy Flat
    1" x 20" 4140 Prehard Alloy Flat
    1" x 22" 4140 Prehard Alloy Flat
    1" x 24" 4140 Prehard Alloy Flat
    1-1/8" x 2" 4140 Prehard Alloy Flat
    1-1/8" x 3" 4140 Prehard Alloy Flat
    1-1/8" x 4" 4140 Prehard Alloy Flat
    1-1/8" x 5" 4140 Prehard Alloy Flat
    1-1/8" x 6" 4140 Prehard Alloy Flat
    1-1/8" x 7" 4140 Prehard Alloy Flat
    1-1/8" x 8" 4140 Prehard Alloy Flat
    1-1/8" x 9" 4140 Prehard Alloy Flat
    1-1/8" x 10" 4140 Prehard Alloy Flat
    1-1/8" x 11" 4140 Prehard Alloy Flat
    1-1/8" x 12" 4140 Prehard Alloy Flat
    1-1/8" x 13" 4140 Prehard Alloy Flat
    1-1/8" x 14" 4140 Prehard Alloy Flat
    1-1/8" x 24" 4140 Prehard Alloy Flat
    1-1/4" x 1-1/4" 4140 Prehard Alloy Flat
    1-1/4" x 1-1/2" 4140 Prehard Alloy Flat
    1-1/4" x 2" 4140 Prehard Alloy Flat
    1-1/4" x 2-1/2" 4140 Prehard Alloy Flat
    1-1/4" x 3" 4140 Prehard Alloy Flat
    1-1/4" x 3-1/2" 4140 Prehard Alloy Flat
    1-1/4" x 4" 4140 Prehard Alloy Flat
    1-1/4" x 4-1/2" 4140 Prehard Alloy Flat
    1-1/4" x 5" 4140 Prehard Alloy Flat
    1-1/4" x 5-1/2" 4140 Prehard Alloy Flat
    1-1/4" x 6" 4140 Prehard Alloy Flat
    1-1/4" x 7" 4140 Prehard Alloy Flat
    1-1/4" x 8" 4140 Prehard Alloy Flat
    1-1/4" x 9" 4140 Prehard Alloy Flat
    1-1/4" x 10" 4140 Prehard Alloy Flat
    1-1/4" x 11" 4140 Prehard Alloy Flat
    1-1/4" x 12" 4140 Prehard Alloy Flat
    1-1/4" x 13" 4140 Prehard Alloy Flat
    1-1/4" x 14" 4140 Prehard Alloy Flat
    1-1/4" x 16" 4140 Prehard Alloy Flat
    1-1/4" x 18" 4140 Prehard Alloy Flat
    1-1/4" x 20" 4140 Prehard Alloy Flat
    1-1/4" x 22" 4140 Prehard Alloy Flat
    1-1/4" x 24" 4140 Prehard Alloy Flat
    1-1/2" x 1-1/2" 4140 Prehard Alloy Flat
    1-1/2" x 2" 4140 Prehard Alloy Flat
    1-1/2" x 2-1/2" 4140 Prehard Alloy Flat
    1-1/2" x 3" 4140 Prehard Alloy Flat
    1-1/2" x 3-1/2" 4140 Prehard Alloy Flat
    1-1/2" x 4" 4140 Prehard Alloy Flat
    1-1/2" x 4-1/2" 4140 Prehard Alloy Flat
    1-1/2" x 5" 4140 Prehard Alloy Flat
    1-1/2" x 5-1/2" 4140 Prehard Alloy Flat
    1-1/2" x 6" 4140 Prehard Alloy Flat
    1-1/2" x 7" 4140 Prehard Alloy Flat
    1-1/2" x 8" 4140 Prehard Alloy Flat
    1-1/2" x 9" 4140 Prehard Alloy Flat
    1-1/2" x 10" 4140 Prehard Alloy Flat
    1-1/2" x 11" 4140 Prehard Alloy Flat
    1-1/2" x 12" 4140 Prehard Alloy Flat
    1-1/2" x 13" 4140 Prehard Alloy Flat
    1-1/2" x 14" 4140 Prehard Alloy Flat
    1-1/2" x 16" 4140 Prehard Alloy Flat
    1-1/2" x 18" 4140 Prehard Alloy Flat
    1-1/2" x 20" 4140 Prehard Alloy Flat
    1-1/2" x 22" 4140 Prehard Alloy Flat
    1-1/2" x 24" 4140 Prehard Alloy Flat
    1-3/4" x 1-3/4" 4140 Prehard Alloy Flat
    1-3/4" x 2" 4140 Prehard Alloy Flat
    1-3/4" x 2-1/2" 4140 Prehard Alloy Flat
    1-3/4" x 3" 4140 Prehard Alloy Flat
    1-3/4" x 3-1/2" 4140 Prehard Alloy Flat
    1-3/4" x 4" 4140 Prehard Alloy Flat
    1-3/4" x 4-1/2" 4140 Prehard Alloy Flat
    1-3/4" x 5" 4140 Prehard Alloy Flat
    1-3/4" x 5-1/2" 4140 Prehard Alloy Flat
    1-3/4" x 6" 4140 Prehard Alloy Flat
    1-3/4" x 7" 4140 Prehard Alloy Flat
    1-3/4" x 8" 4140 Prehard Alloy Flat
    1-3/4" x 9" 4140 Prehard Alloy Flat
    1-3/4" x 10" 4140 Prehard Alloy Flat
    1-3/4" x 11" 4140 Prehard Alloy Flat
    1-3/4" x 12" 4140 Prehard Alloy Flat
    1-3/4" x 13" 4140 Prehard Alloy Flat
    1-3/4" x 14" 4140 Prehard Alloy Flat
    1-3/4" x 16" 4140 Prehard Alloy Flat
    1-3/4" x 18" 4140 Prehard Alloy Flat
    1-3/4" x 20" 4140 Prehard Alloy Flat
    1-3/4" x 22" 4140 Prehard Alloy Flat
    1-3/4" x 24" 4140 Prehard Alloy Flat
    2" x 2" 4140 Prehard Alloy Flat
    2" x 2-1/2" 4140 Prehard Alloy Flat
    2" x 3" 4140 Prehard Alloy Flat
    2" x 3-1/2" 4140 Prehard Alloy Flat
    2" x 4" 4140 Prehard Alloy Flat
    2" x 4-1/2" 4140 Prehard Alloy Flat
    2" x 5" 4140 Prehard Alloy Flat
    2" x 5-1/2" 4140 Prehard Alloy Flat
    2" x 6" 4140 Prehard Alloy Flat
    2" x 7" 4140 Prehard Alloy Flat
    2" x 8" 4140 Prehard Alloy Flat
    2" x 9" 4140 Prehard Alloy Flat
    2" x 10" 4140 Prehard Alloy Flat
    2" x 11" 4140 Prehard Alloy Flat
    2" x 12" 4140 Prehard Alloy Flat
    2" x 13" 4140 Prehard Alloy Flat
    2" x 14" 4140 Prehard Alloy Flat
    2" x 16" 4140 Prehard Alloy Flat
    2" x 18" 4140 Prehard Alloy Flat
    2" x 20" 4140 Prehard Alloy Flat
    2" x 22" 4140 Prehard Alloy Flat
    2" x 24" 4140 Prehard Alloy Flat
    2-1/4" x 2-1/4" 4140 Prehard Alloy Flat
    2-1/4" x 2-1/2" 4140 Prehard Alloy Flat
    2-1/4" x 3" 4140 Prehard Alloy Flat
    2-1/4" x 3-1/2" 4140 Prehard Alloy Flat
    2-1/4" x 4" 4140 Prehard Alloy Flat
    2-1/4" x 4-1/2" 4140 Prehard Alloy Flat
    2-1/4" x 5" 4140 Prehard Alloy Flat
    2-1/4" x 5-1/2" 4140 Prehard Alloy Flat
    2-1/4" x 6" 4140 Prehard Alloy Flat
    2-1/2" x 2-1/2" 4140 Prehard Alloy Flat
    2-1/2" x 3" 4140 Prehard Alloy Flat
    2-1/2" x 3-1/2" 4140 Prehard Alloy Flat
    2-1/2" x 4" 4140 Prehard Alloy Flat
    2-1/2" x 4-1/2" 4140 Prehard Alloy Flat
    2-1/2" x 5" 4140 Prehard Alloy Flat
    2-1/2" x 5-1/2" 4140 Prehard Alloy Flat
    2-1/2" x 6" 4140 Prehard Alloy Flat
    2-1/2" x 7" 4140 Prehard Alloy Flat
    2-1/2" x 8" 4140 Prehard Alloy Flat
    2-1/2" x 9" 4140 Prehard Alloy Flat
    2-1/2" x 10" 4140 Prehard Alloy Flat
    2-1/2" x 11" 4140 Prehard Alloy Flat
    2-1/2" x 12" 4140 Prehard Alloy Flat
    2-1/2" x 13" 4140 Prehard Alloy Flat
    2-1/2" x 14" 4140 Prehard Alloy Flat
    2-1/2" x 16" 4140 Prehard Alloy Flat
    2-1/2" x 18" 4140 Prehard Alloy Flat
    2-1/2" x 20" 4140 Prehard Alloy Flat
    2-1/2" x 22" 4140 Prehard Alloy Flat
    2-1/2" x 24" 4140 Prehard Alloy Flat
    3" x 3" 4140 Prehard Alloy Flat
    3" x 3-1/2" 4140 Prehard Alloy Flat
    3" x 4" 4140 Prehard Alloy Flat
    3" x 5" 4140 Prehard Alloy Flat
    3" x 6" 4140 Prehard Alloy Flat
    3" x 7" 4140 Prehard Alloy Flat
    3" x 8" 4140 Prehard Alloy Flat
    3" x 9" 4140 Prehard Alloy Flat
    3" x 10" 4140 Prehard Alloy Flat
    3" x 11" 4140 Prehard Alloy Flat
    3" x 12" 4140 Prehard Alloy Flat
    3-1/2" x 4" 4140 Prehard Alloy Flat
    3-1/2" x 5" 4140 Prehard Alloy Flat
    3-1/2" x 6" 4140 Prehard Alloy Flat
    3-1/2" x 7" 4140 Prehard Alloy Flat
    3-1/2" x 8" 4140 Prehard Alloy Flat
    3-1/2" x 9" 4140 Prehard Alloy Flat
    3-1/2" x 10" 4140 Prehard Alloy Flat
    3-1/2" x 11" 4140 Prehard Alloy Flat
    3-1/2" x 12" 4140 Prehard Alloy Flat
    4" x 4" 4140 Prehard Alloy Flat
    4" x 5" 4140 Prehard Alloy Flat
    4" x 6" 4140 Prehard Alloy Flat
    4" x 7" 4140 Prehard Alloy Flat
    4" x 8" 4140 Prehard Alloy Flat
    4" x 9" 4140 Prehard Alloy Flat
    4" x 10" 4140 Prehard Alloy Flat
    4" x 11" 4140 Prehard Alloy Flat
    4" x 12" 4140 Prehard Alloy Flat

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