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  • ALLOY STEEL 4340

    Alloy Steel 4340 Manufacturer | 4340 Alloy Steel AMS 6414 Supplier | AMS 6415 Alloy Steel 4340 Exporter in Mumbai

    Plus Metals offer a vast incomprehensible scope of subjective Alloy Steels, which is acclaimed for zero defects, knowledge and experience as respects manufacture and improvement of Alloy Steels in both standard and extraordinary creation.

    alloy steels 4340 AMS 6414 6415 manufacture supplier

    Alloy Steel 4340 is extensively used deep-hardening constructional steel. Due to Alloy Steel 4340 high alloy content it obtains a fixed hardness by heat treatment. The high fatigue strength makes Alloy Steel 4340 ideal for highly stress parts as it maintains it's solidity and hardness at increased temperatures.

    Alloy steel is in a perfect world suited for applications that require higher quality, enhanced durability or preferred wear resistance over standard carbon steel grades. The decision of a alloy steel is frequently dictated by the elasticity and decision area of the steel. Different contemplations are the wear resistance and effect properties of the steel. The mechanical properties achievable are subject to the expansion of components, for example, nickel, chromium, molybdenum and vanadium. Different elements to be taken into thought are the accessibility of the composite steel. The dominant part of amalgam steel particulars are just accessible in measurements.

  • Chemical Composition of Alloy Steel 4340

    Chemical Composition Limits
    Weight% C Mn P & S Si Cr Ni Mo
    E4340 Bar 0.38 - 0.43 0.65 - 0.85 0.025 0.15-0.30 0.70-0.90 1.65-2.00 0.20-0.30
    E4340 Plate 0.38-0.43 0.60-0.80 0.025 0.15-0.35 0.70-0.90 1.65-2.00 0.20-0.30

    Typical Mechanical Properties of Alloy Steel 4340

    Alloy Condition Tensile Strength ksi Yield Strength ksi Elongation 4D % Reduction of Area % Hardness HB
    Alloy Steel E4340 Bar Annealed - - - - 235 max
    Alloy Steel E4340 Bar Hardened and Tempered 260 217 10 30 -

    Heat Treatment of Alloy Steel 4340

    E 4340
    Normalised 1650°F / 1 hr
    Austenitise 1500°F / 1 hr
    Quench Oil
    Double Temper 475°F / 2 hr twice

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    Alloy Steel 4340
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