MACGOLD® Quick Facts

MACGOLD® Precision Hot Rolled Bar Size and Length Range
Rounds:1”–5” (25 mm–127 mm)
Lengths:15 through 40 feet

MACGOLD® Advantages

  • Precision size tolerance with close size consistency end to end, bar to bar, heat to heat.
  • 55–75% better than standard AISI size tolerances.
  • Excellent surface quality—smooth on hot rolled bars.
  • Seam-free® surface.
  • Uniform weight for cold/warm forming.
  • Less forging flash.
  • Concentric material for better machining.
  • Faster machining speeds and less chip removal.

    MACGOLD® Surface Quality
    Seam Depth:SEAM-FREE®
    Decarb:.006” maximum

    MACGOLD®
    Precision Hot Rolled and
    Normal Hot Rolled Tolerance Comparison

    Permissible Variations in Cross Section for
    Standard Hot Rolled Bars and Precision Hot Rolled MACGOLD® Bars
      Permissible Permissible    
    Specified Variation Variation    
    Size, Over Size, Inches Under Size, Inches Out of Round,Inches
    Inches Standard MACGOLD® Standard MACGOLD® Standard MACGOLD®
    > 1 <= 1-1/4 0.011 0.005 0.011 0.005 0.016 0.008
    > 1-1/4 <= 1-3/8 0.012 0.005 0.012 0.005 0.018 0.008
    > 1-3/8 <= 1-1/2 0.014 0.005 0.014 0.005 0.021 0.008
    > 1-1/2 <= 2 0.016 0.005 0.016 0.005 0.023 0.008
    >2 <= 2-1/2 0.031 0.01 0 0 0.023 0.008
    > 2-1/2 <= 3-1/2 0.047 0.012 0 0 0.035 0.008
    > 3-1/2 <= 4-1/2 0.063 0.016 0 0 0.046 0.012
    > 4-1/2 <= 5-1/2 0.078 0.02 0 0 0.058 0.016

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