System of Measurement
    System of Measurement
    Inch
    Metric
    Low-Carbon Steel Grade
    Low-Carbon Steel Grade
    1005-1026
    A513
    A500
    1010
    1009
    Fabrication
    Fabrication
    Hot Rolled
    Cold Worked
    Specifications Met
    Specifications Met
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    Hardness Rating
    Hardness Rating
    Medium
    Hard
    Maximum Hardness After Heat Treatment
    Maximum Hardness
    After Heat Treatment
    Rockwell C49
    Not Rated
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    Elongation
    Elongation
    15%
    19%
    23%
    26.5%
    Not Rated
    Rail Style
    Rail Style
    Square
    L-Shaped
    Framing Type
    Framing Type
    Weld Together
    Bolt Together