Learn to apply metallurgical principles and fabrication techniques for corrosion-resistant components through standards-based guidance in this self-paced technical module.
Practical Guidelines for the Fabrication of Austenitic Stainless Steels
Full Code
APP0427NI205
Module Type
E-learning
Description
None
What you will learn
• Understand the fundamental metallurgy of austenitic stainless steels, including crystal structure, phase constituents, alloying effects, and the influence of composition and thermal history on mechanical properties and corrosion resistance.
• Explain the role of key alloying elements—such as chromium, nickel, molybdenum, nitrogen, carbon, and stabilizing elements—in controlling austenite stability, strength, work hardening behavior, and resistance to corrosion and sensitization.
• Identify and describe detrimental secondary phases (such as chromium carbides, sigma, chi, and other intermetallic phases), including the temperature ranges and kinetic conditions under which they form, and their impact on toughness and corrosion performance.
• Evaluate the effects of fabrication processes—including hot, warm, and cold forming; cutting; machining; and heat treatment—on microstructure, strength, ductility, and surface condition.
• Apply recommended welding, brazing, and soldering practices to control heat input, minimize distortion, avoid sensitization and intermetallic precipitation, and maintain corrosion resistance and mechanical integrity in welded components.
• Assess the influence of surface condition, contamination, and post-fabrication cleanup on corrosion resistance, and select appropriate cleaning, pickling, passivation, or electropolishing methods to restore and protect fabricated surfaces.
• Interpret relevant material specifications, mechanical property data, and fabrication guidelines to support sound material selection, fabrication planning, and quality control for austenitic stainless steel components in industrial service.
Module content
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