Alloy Steel Cold Finish Round 4140 Annealed

Part #: 10587

Cold Finish Annealed Round Bar 4140 (2"), also referred to as Chromoly steel, is the most versatile Cold Rolled Steel. 4140 offers resistance to fracturing in high stress application, and when hardened it resists abrasion as well as offering excellent impact resistance. Therefore it is commonly used in automotive and industrial fabrication.

View our "Guide to Alloy Steel" for available grades, shapes and additional information.

Mill Test Reports are available on this item and can be selected during the checkout process.

Material Meets These Standard(s):  ASTM A-29, ASTM A-331, ASTM A108

Dimensions Weight/Lineal Foot: 10.67 lbs
Dimension Name Value
Diameter 50.8"
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  WARNING: Cancer and Reproductive Harm -
Six foot lengths = Best value for shipping.

    Create your own custom cut by entering the various dimensions to the right

    Note: Do not enter fractions or special characters. Examples of valid entries include 3, 5, 7.5, etc

    Cut tolerance wil be +.125" -0" (+1/8 -0).


    Cuts of less than 1 inch will be charged at the 1 full inch price

    Weight/Lineal Foot
    10.67 pounds
    Material Specifications

    This material meets the following specs:
    ASTM A-29

    This material meets the following specs:
    ASTM A-331

    This material meets the following specs:
    ASTM A108

    Chemistry Information: 4140 Alloy Steel
    Element Percentage
    C 0.38 - 0.43
    Cr 0.8 - 1.1
    Fe 96.785 - 97.84
    Mn 0.7 - 1
    Mo 0.15 - 0.25
    P 0.035 max
    S 0.04 max
    Si 0.15 - 0.3

    Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it, you agree that any decisions you make regarding materials for your project are at your own discretion.

Selected Product: Alloy Steel Cold Finish Round 4140 Annealed

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