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Inconel Alloy 738 Chemical Composition, Grade, Table and Online Pdf

Inconel Alloy 738 is a potent, corrosion-resistant superalloy that does well in high-demand sectors especially where gas turbine engines are applied. Mostly, it is a chemical compound that often includes nickel, chromium, cobalt, aluminum, titanium and tungsten elements. Many great qualities such as high mechanical strength and resistance of oxidation and creep are bestowed to it at high temperatures. Pre-defined specifications are available for non-aerospace grade components, making industrial uses possible. Data in the table and chart can be generalized for the material composition, grades, mechanical properties, and applications by expanding and downloading them in the PDF format. These will give the engineers, researchers and manufacturers the requisite information of the materials they need to select and the design they need to use. Utilization of these products result in more conscious decision making which, consequently, lead to effective use of the material in the primary tasks.

Inconel Alloy 738 Chemical Composition And Grade Table

Inconel Alloy 738, a superalloy with very high strength and corrosion resistance obtained through the adapted chemical composition that combines the required elements for areas of extreme conditions. Subsequently, due to a large amount of nickel, it differs from other steels in that it has chromium, iron, and cobalt in a percentage that makes it very resistant to oxidation and corrosion. Alloy 738 is a group of metals including Aluminum, Titanium and Niobium and provides the alloy with its mechanical properties of high-temperature strength and creep resistance. The alloy composition is adjustable and it is the one that is suitable in the domains of aerospace, gas turbines or other places with high temperatures and for which reliability is their first concern.

Inconel Alloy 738 Composition Table
Elements C Mn Si Ni S Fe Cr Al Mo B Ti Co Cb Ta W Zr
Min (%) 0.15 - - - - - 15.70 3.20 1.50 0.005 3.20 8.00 0.60 1.50 2.40 0.05
Max (%) 0.20 0.20 0.30 Balance 0.015 0.50 16.30 3.70 2.00 0.015 3.70 9.00 1.10 2.00 2.80 0.15

Advantages and Disadvantages of Inconel Alloy 738

    Advantages:

  • High temperature strength: Compared with the traditional Fischer-Tropsch synthesis catalyst, it exhibits high mechanical strength and good consistency at high temperatures.

  • Corrosion resistance: Resists oxidation, corrosion, and other adverse situations that prevail in severe conditions.

  • Good weldability: Enables selective welding and fabrication processes to be undertaken smoothly and with comparative ease.

  • Creep resistance: Exhibits a high degree of dimensional stability and is immune to deformation under stress for long periods of time at high temperatures.

    Disadvantages:

  • Costly: This type of material is relatively high cost as compared to some of the other alloys in the market which, nevertheless, may owe to its unique characteristics.

  • Limited availability: There could be limited availability contrary to other more popular forms of alloys.

  • Limited cold forming: Greatly diminished forming ability at room temperature compared to some other alloys.

  • Sensitivity to sulfur: May be negatively affected by environments that contain high amounts of sulfur.

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Raw Material Prices (Updated as on: 06 Oct 2024 01:52 PM) LIVE RATES

MetalsPrice/TonnePrice/KG
Nickel$17,750₹1,491.37
LME$17,831₹1,498.13
Copper$10,099₹848.47
LME$9,935₹834.69
Aluminum$2,636₹221.50
LME$2,665₹223.94
Zinc$3,160₹265.53
LME$3,170₹266.35
Lead$2,141₹179.90
LME$2,154₹180.99

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