Cold Finish Stainless Round 321 Annealed

Part #: 12884

Stainless Steel Round Bar T-321 (1.5") contains increased titanium for improved strength and heat resistance, making it ideal for applications in temperatures up to 900°C. Stainless 321 round bar is a choice material in applications involving welding or sustained elevated temperature operations where re-annealing is not practical.

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 A-276, ASTM A-479, QQ-S 763

Dimensions Weight/Lineal Foot: 6.0405 lbs
Dimension Name Value
Diameter 1.5"
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
    6.0405 pounds
    Dimension Name Plus Minus
    Diameter 0.0025" 0.0025"
    Material Specifications

    This material meets the following specs:
    AMS 5645

    This material meets the following specs:
    ASTM A-276

    This material meets the following specs:
    ASTM A-479

    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
    Mechanical Properties
    Property Value
    Electrical resistivity 72 min.
    Magnetic permeability 1.02 min.
    Max operating temperature ºF 1600
    Max operating temperature ºF 1700
    Brinell Hardness 200 min.
    Elongation % in 2 inches 55 min.
    Impact values - Izod -ft-lb 80 min.
    Modulus of elasticity lb./in.^2 x 10^6 29 min.
    Reduction in area % min 65 min.
    Rockwell Hardness B Scale 95 min.
    Ultimate KSI 85 min.
    Yield KSI 35 min.
    Density lb./in.^3 0.287
    Mean Coefficient of Expansion in/in/ºF x 10^6 8.3 min.
    Mean Coefficient of Expansion in/in/ºF x 10^6 10.6 min.
    Melting Point ºF 2550 min.
    Specific heat BTU/ºF/lb (32-212F) 0.12 min.
    Thermal conductivity BTU/ft^2/hr/ºF/ft 9.3 min.
    Thermal conductivity BTU/ft^2/hr/ºF/ft 12.8 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 Round 321 Annealed

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