Material            Category	Grade           Examples	Corrosion               Resistance	Optimal               Environments	Key                      Features
Austenitic Stainless Steel	316L	Good	General corrosion environments	Cost-effective baseline corrosion resistance
Duplex Stainless Steel	2205	Excellent	Chloride-rich environments	50% higher strength/pitting resistance
Nickel-Based Alloys	C-276/Inconel 625	Superior	Strong acid environments	Top choice for extreme conditions/high cost
Zirconium Alloys	Zr702	Exceptional	Strongly reducing media	Nuclear-grade resistance/premium pricing
Titanium Alloys	Gr2	Excellent	Oxidizing environments	Chlor-alkali industry standard/lightweight
Monel Alloys	Monel 400	Specialized	Fluoride-rich environments	HF-specific material
Coated Carbon Steel	Q235 + coating	Limited	Non-corrosive structural roles	Economical structural use/periodic maintenance required