Inconel 600 is a nickel-chromium alloy with a nickel content of at least 72%.This gives it extremely high corrosion resistance at high tempratures.The alloy is a non-magnetic material with good mechanical properties,resistance to oxidation,and resistance to carburization.
Hastelloy C2000 is a nickel-chromium-molybdenum alloy that belongs to the Hastelloy family. This alloy is designed for broad resistance. It handles both oxidizing and reducing acids. A key element is copper , which provides enhanced resistance to sulfuric acid. It represents a significant upgrade.
The main difference between super austenitic and standard austenitic stainless steel is the chemistry. Super austenitic contains more chromium, nickel, molybdenum, and also nitrogen, giving it better overall properties.
The main difference lies in chromium content,stainless steel contains a minimum of 10.5% chromium. This element forms a thin, passive layer. This layer prevents rust and corrosion. Carbon steel lacks this chromium. It is primarily an alloy of iron and carbon,so it rusts easily when exposed to moisture. This key difference dictates their applications.
Hastelloy C59 is a nickel-chromium-molybdenum alloy which belongs to the Hastelloy family. With very low carbon and silicon content, it is resistant to sensitization. It is favorable for the manufacture of welded fittings.
Hastelloy C4 is a nickel-chromium-molybdenum alloy that belongs to the Hastelloy family. It is a solid solution alloy, meaning that it cannot be age-hardened. The very low carbon content, combined with its special composition, makes it very stable and resistant to sensitization.
Incoloy 925 is a nickel-chromium-iron alloy that is a modification of Incoloy 825. The alloy is age-hardenable, which means it can achieve very high strengths. It also contains molybdenum, copper and titanium, which provide excellent corrosion resistance.
Inconel 690 is a nickel-chromium-iron alloy. It is a solid solution strengthened material with a very high chromium content (27-31%), resulting in excellent wear resistance. It is resistant to oxidizing and reducing environments.
Nimonic 86 is a solid solution strengthened alloy, which means it cannot be age hardened. Its strength is realized through its chemical composition. It contains high levels of chromium and molybdenum, which provide excellent resistance to high-temperature oxidation and carburization. It provides reliable performance at temperatures up to 1100℃ (2012 ℉).
Age hardening is divided into two main steps. First, the alloy is heated, which is called solid solution treatment, and it dissolves all the alloying elements. Then, the material is rapidly cooled, which is called quenching, and the alloying elements are “trapped” in solution. Next, the material is reheated to a lower temperature, which is called aging. The trapped elements form fine particles, which impede dislocation motion, which strengthens the material.
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