Cold Finish STAINLESS Hex 303 Annealed

Part #: 19792

Stainless Steel Hex Bar T-303 Annealed Cold Finish (0.4375") is notable for its high machinability and impressive corrosion resistance. It is best suited for materials that require repeated machining including fabricating fittings and fasteners.

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 5640, ASTM A320, ASTM A582

Dimensions Weight/Lineal Foot: 0.5713 lbs
Dimension Name Value
Across Flats 0.4375"
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
    0.5713 pounds
    Dimension Name Plus Minus
    Across Flats 0" 0.003"
    Material Specifications

    This material meets the following specs:
    AMS 5640

    This material meets the following specs:
    ASTM A320

    This material meets the following specs:
    ASTM A582

    Chemistry Information: 303 STAINLESS
    Element Percentage
    C 0.15 max
    Cr 18
    Fe 69
    Mn 2 max
    Mo 0.6 max
    Ni 9
    P 0.2 max
    S 0.15 max
    Si 1 max
    Mechanical Properties
    Property Value
    Electrical resistivity 72 min.
    Electrical resistivity 116 min.
    Magnetic permeability 1.02 min.
    Max operating temperature ºF 1400
    Max operating temperature ºF 1700
    Brinell Hardness 160 min.
    Elongation % in 2 inches 50 min.
    Impact values - Izod -ft-lb 60 min.
    Modulus of elasticity lb./in.^2 x 10^6 29 min.
    Reduction in area % min 55 min.
    Rockwell Hardness B Scale 80 min.
    Ultimate KSI 90 min.
    Yield KSI 35 min.
    Density lb./in.^3 0.287
    Mean Coefficient of Expansion in/in/ºF x 10^6 9.2 min.
    Mean Coefficient of Expansion in/in/ºF x 10^6 11 min.
    Melting Point ºF 2550 min.
    Specific heat BTU/ºF/lb (32-212F) 0.12 min.
    Thermal conductivity BTU/ft^2/hr/ºF/ft 9.4 min.
    Thermal conductivity BTU/ft^2/hr/ºF/ft 12.4 min.

    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 303 Annealed

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