4130 ALLOY STEEL

  • [print version]

  • Description

    4130 grade is a low-alloy steel containing chromium and molybdenum as strengthening agents. The steel has good strength and toughness, weldability and machinability.

  • Identification | Specifications

    UNS # G41300
    AISI # 4130

    Annealed
    per AMS 6350, or
    Normalized
    per AMS 6345

  • Properties

    Physical
    Specific Gravity - 7.80
    Density - 0.283 lb/in3

  • Processes

    Standard
    Hot Rolled
    Annealed or Normalized
    Flattened
    Cut Ends

    Additional
    Shotblast Surface

  • Chemistry

    Aluminum 0.10 – 0.25%

    Carbon 0.28 – 0.33%

    Copper 0.35 % Max

    Chromium 0.80 –1.10%

    Manganese 0.40 – 0.60 %

    Molybdenum 0.15 – 0.25%

    Nickel 0.25 % Max

    Phosphorus 0.025% Max

    Silicon 0.15 – 0.35%

    Sulfur 0.025 % Max