Superior Corrosion Resistance Hastelloy Alloy G/N06007/Nimofer4520hMo/2.4618/NS3402 Bar For Power Plants And Reactors
Hastelloy G (N06007) is a corrosion-resistant nickel-based alloy designed for excellent performance in oxidizing and reducing environments. It contains high chromium, molybdenum, and iron, offering superior resistance to phosphoric, sulfuric, and nitric acids, making it ideal for chemical processing, power plants, and marine applications. The 2.4618 / NS3402 designation ensures compliance with international material standards. Available in bar form, it provides high mechanical strength, weldability, and thermal stability. Its Nimofer 4520hMo variant further enhances pitting and crevice corrosion resistance. Hastelloy G bars are widely used in heat exchangers, piping, and industrial equipment exposed to harsh environments. This alloy’s versatility and durability make it a top choice for critical corrosion-resistant applications.
Chemical Composition Wt.% | % | Ni | Cr | Fe | C | Mn | Si | Mo | Cu | P | S | Co | Cu | Nb | W |
Min | Bal. | 21 | 18 | 1 | 5.5 | 1.5 | 1.75 | ||||||||
Max | Bal. | 23.5 | 21 | 0.05 | 2 | 1 | 7.5 | 0.5 | 0.04 | 0.03 | 2.5 | 2.5 | 2.5 | 1 |
Physical Constants | Density(g/cm³) | 8.22 | |||||
Melting Range(℃) | 1320 – 1390°C |
Minimum mechanical properties of alloy at room temperature | Typical mechanical properties | Tensile strength Rm N/mm² | Yield strength RP 0.2 N/mm² | Elongation A5 % | ||||
Annealing treatment | 690 | 310 | 40 |
Hastelloy G (N06007) is a nickel-chromium-iron-molybdenum alloy known for its exceptional corrosion resistance, particularly in oxidizing and reducing environments. It is commonly used in chemical processing, marine, and high-temperature applications.
Highly resistant to oxidizing and reducing acids, including sulfuric acid and phosphoric acid.
Superior performance in chloride-rich and acidic environments.
Maintains mechanical integrity under extreme conditions.
High resistance to stress corrosion cracking and pitting corrosion.
Can be welded using conventional welding techniques.
Maintains strength after welding without post-weld heat treatment.
Performs well in elevated temperatures up to 850°C (1560°F).
Suitable for heat exchangers, chemical reactors, and furnace components.
Hastelloy G (N06007 / Nimofer 4520hMo / 2.4618 / NS3402) is a nickel-based corrosion-resistant alloy known for its excellent resistance to oxidation, reducing environments, and acidic conditions. It is particularly used in environments with sulfuric acid, phosphoric acid, and hydrochloric acid, making it ideal for chemical processing and other harsh industrial applications.
Used in reactors, heat exchangers, and storage tanks handling strong acids and aggressive chemicals.
Essential for fertilizer production, acid regeneration, and organic acid processing.
Resistant to chloride-induced corrosion, making it suitable for bleaching plants and chemical recovery units.
Applied in flue gas desulfurization (FGD) systems to withstand acidic and high-temperature conditions in power plants.
Ideal for seawater applications, desalination plants, and offshore oil and gas equipment due to its corrosion resistance.
Used in high-temperature environments such as gas turbine engines and aerospace components.
Ensures hygienic processing and resistance to cleaning chemicals, making it useful in food and pharmaceutical equipment.