Steel Alloy Nitralloy 60

  • Steel Alloy Nitralloy 60

  • General Characteristics

    Nitralloy 60 is an age hardenable nitriding steel. The age hardening capability of the alloy permits the core strength to be developed while the surface is being nitrided. VAC-ARC remelting is employed to provide preferred ingot solidification and superior micro-cleanliness.

  • Typical Chemical Composition

    Weight % C Mn Si Ni Cr Mo Al Fe
    Typical

    Analysis

    		 0.24 0.60 0.30 3.50 1.15 0.25 1.25 Reminder

  • Typical Mechanical Properties (Core)

    Tensile Hardness
    Heat Treatment Ultimate Yield Elongation Reduction in Area HRC
    KSI MPa KSI MPa % %
    1650°F (899°C), oil quench, temper 1200°F (649°C) 132 910 115 793 22 59 29
    1650°F (899°C), oil quench, temper 1200°F (649°C) +

    age at 975°F (524°C) for 20 hours

    		 180 1241 170 1172 16 50 41

  • Effect Of Aging Temperature On Impact Properties

    48 Hour Nitriding

    (Aging)

    temperature

    		 Hardness Charpy V-Notch Impact

    Value at room

    temperature
    °F °C Ft-lbs Joules
    940 504 42 12 16.3
    970 521 42 14 19.0
    1000 538 42 18 24.4

  • Specifications

    • AMS – 6475 (Air melt)
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