{"id":18618,"date":"2025-12-09T15:41:15","date_gmt":"2025-12-09T07:41:15","guid":{"rendered":"https:\/\/daxuns.com\/?p=18618"},"modified":"2025-12-09T15:41:15","modified_gmt":"2025-12-09T07:41:15","slug":"a-comprehensive-guide-to-hastelloy-x","status":"publish","type":"post","link":"https:\/\/daxuns.com\/de\/a-comprehensive-guide-to-hastelloy-x\/","title":{"rendered":"A Comprehensive Guide to Hastelloy X"},"content":{"rendered":"

Hastelloy X is a nickel-chromium-iron-molybdenum superalloy renowned for its exceptional performance in extreme high-temperature environments. As a workhorse material in the aerospace and industrial gas turbine industries, it offers a unique combination of high strength, outstanding oxidation resistance, and excellent fabricability. This guide provides a comprehensive overview of its composition, key properties, and critical applications.<\/p>\n

What is Hastelloy X?<\/b><\/strong><\/span><\/h4>\n

Hastelloy X is a solid-solution-strengthened nickel-based superalloy. Unlike precipitation-hardened superalloys, its strength comes primarily from the elements dissolved within its nickel matrix, rather than from intermetallic compounds. This gives it remarkable stability and strength at temperatures up to approximately 1200\u00b0C (2200\u00b0F). Its primary advantage is its ability to withstand severe thermal cycling and oxidizing atmospheres while maintaining structural integrity.<\/p>\n

Hastelloy X Chemical Composition<\/b><\/strong><\/span><\/h4>\n

Hastelloy X’s excellent high-temperature performance is due to its chemical composition.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Element<\/b><\/strong><\/td>\nContent (%)<\/b><\/strong><\/td>\nRole<\/b><\/strong><\/td>\n<\/tr>\n
Nickel (Ni)<\/b><\/strong><\/td>\nBalance<\/td>\nProvides the fundamental austenitic matrix and corrosion resistance.<\/td>\n<\/tr>\n
Chromium (Cr)<\/b><\/strong><\/td>\n20.5 – 23.0<\/td>\nEssential for superior resistance to oxidizing environments at high temperatures.<\/td>\n<\/tr>\n
Iron (Fe)<\/b><\/strong><\/td>\n17.0 – 20.0<\/td>\nA major alloying element that contributes to strength and helps control costs.<\/td>\n<\/tr>\n
Molybdenum (Mo)<\/b><\/strong><\/td>\n8.0 – 10.0<\/td>\nProvides solid-solution strengthening and enhances creep resistance.<\/td>\n<\/tr>\n
Cobalt (Co)<\/b><\/strong><\/td>\n0.5 – 2.5<\/td>\nAdds to the alloy\u2019s high-temperature strength and stability.<\/td>\n<\/tr>\n
Tungsten (W)<\/b><\/strong><\/td>\n0.2 – 1.0<\/td>\nContributes to solid-solution strengthening.<\/td>\n<\/tr>\n
Carbon \u00a9<\/b><\/strong><\/td>\n0.05 – 0.15<\/td>\nKept at a controlled level for carbide formation and strength.<\/td>\n<\/tr>\n
Manganese (Mn)<\/b><\/strong><\/td>\n1.0 (max)<\/td>\nActs as a deoxidizer.<\/td>\n<\/tr>\n
Silicon (Si)<\/b><\/strong><\/td>\n1.0 (max)<\/td>\nImproves castability and provides some oxidation resistance.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Key Properties<\/b><\/strong><\/span><\/h4>\n

Hastelloy X is chosen for demanding applications due to its distinctive set of properties:<\/p>\n