• Material’s quality
• Mechanical and thermal cracking
• Welded joints cracking
• Surface defects
• Hydrogen embrittlement
• Residual stress
• Bad conception
• Overload
• Environment
• Abrasion
• Galvanic corrosion
• Stress corrosion cracking
• Uniform corrosion
• Localized corrosion : pitting, crevice, deposit corrosion
• Bacterial corrosion
• Aeration cell corrosion
• Erosion-corrosion
• Exfoliation
• Competition evaluation
• Comparative investigation of quality-price-performance between two or more products
• Products metallurgical differentiation
• Manufacturing process identification
• Product premature wear
• In-service frequent failure
• Long and costly shutdown
• New products and conception
• New regulation and normalisation
• Supplier litigation
• Client litigation
• Contervaluation with clients or suppliers
• Legal contervaluation