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Tool Steel Round Bar O1

  • metal-supermarkets-tool-steel-round-bar
  • Tool Steel round bar cross section
  • metal-supermarkets-tool-steel-round-bar
  • Tool Steel round bar cross section
  • Tool Steel Round Bar O1 is a general purpose oil-hardening tool and die steel. Normal care in heat treatment gives good results in hardening and produces small dimensional changes. O1 has good abrasion resistance and sufficient toughness for a wide variety of tool and die applications.

  • ASTM A681
    • Wear Resistance: Fair
    • Machinability: Good
    • Forming: Good
    • Weldability: Fair
    • Cold Working: Fair
    • Blanking Dies
    • Bushings
    • Forming Dies
    • Master Tools
    • Forming Rolls
    • Gauges
    • Trim Dies
    • Melting Point: 2590°F
    • Density: 0.283 lb/in3
    • Ultimate Tensile Strength: 245,000 psi
    • Yield Tensile Strength: 218,000 psi
    • Modulus of Elasticity: 31,000 ksi
    • Shear Modulus: 11,900 ksi
    • Poisson’s Ratio: 0.3

    When properly annealed, O1 has a machinability rating of 90 when compared to a 1% Carbon Steel rated at 100.

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Decarb Free 0.500
TOOL STEEL O1 ROUND BAR
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Decarb Free 0.750
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Decarb Free 1.000
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Decarb Free 1.250
TOOL STEEL O1 ROUND BAR
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Decarb Free 1.500
TOOL STEEL O1 ROUND BAR
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Decarb Free 1.750
TOOL STEEL O1 ROUND BAR
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Decarb Free 2.000
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Decarb Free 2.500
TOOL STEEL O1 ROUND BAR
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Decarb Free 2.750
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Decarb Free 3.000
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Decarb Free 4.000
TOOL STEEL O1 ROUND BAR
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Decarb Free 6.000
TOOL STEEL O1 ROUND BAR
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