Cold Finish Stainless Hex 321

Part #: 18418

Stainless Steel Hex Bar T-321 Cold Finish (0.625") is a choice material when high strength, high temperature capability, and resistance to intergranular corrosion are necessary. Stainless 321 is used extensively in the aircraft and missile industries for engine parts, heat exchangers, exhaust stacks, rocket engines, manifolds, and more.

View our "Guide to Stainless" 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):  AMS 5645, ASTM A276, ASTM A479, QQ-S 763

Dimensions Weight/Lineal Foot: 1.1741 lbs
Dimension Name Value
Across Flats 0.625"
View Other Sizes
  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
    1.1741 pounds
    Dimension Name Plus Minus
    Across Flats 0" 0.004"
    Material Specifications

    This material meets the following specs:
    AMS 5645

    This material meets the following specs:
    ASTM A276

    This material meets the following specs:
    ASTM A479

    This material meets the following specs:
    QQ-S 763

    Chemistry Information: 321 Stainless
    Element Percentage
    C 0.08
    Cr 18
    Fe 68
    Mn 2
    Ni 11
    P 0.045
    S 0.03
    Si 1
    Ti 0.15

    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: Cold Finish Stainless Hex 321

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