| STAINLESS STEELS | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| MARTENSITIC | FERRITIC | DUPLEX | AUSTENITIC | ||||||||
| SUPER FERRITIC | CLASSIC FERRITIC | UTILITY FERRITIC | LEAN DUPLEX | DUPLEX | SUPER DUPLEX | CLASSIC AUSTENITIC (Cr, Ni, Mo) | AUSTENITIC (Mn, Cr, N, Ni) | HEAT-RESISTANT AUSTENITIC | |||
| STANDARD CHROMIUM STAINLESS STEELS THAT CAN BE HARDENED BY HEAT TREATMENT. Cr: 12–18%, HIGH CARBON CONTENT: 0.2–1.2%. | STANDARD CHROMIUM STAINLESS STEELS WITH LOW CARBON CONTENT, THEREFORE THEY CANNOT BE HARDENED BY HEAT TREATMENT. GENERALLY KNOWN AS POORLY WELDABLE, EXCEPT FOR UTILITY GRADES. | MIXED FERRITIC–AUSTENITIC STRUCTURE (DUPLEX). HIGH Cr AND LOW Ni CONTENT COMPARED TO AUSTENITIC STEELS. CONTAIN NITROGEN ADDITION. HIGH STRENGTH AND GOOD CORROSION RESISTANCE. GOOD WELDABILITY. | STAINLESS STEELS CONTAINING NICKEL. THE MOST COMMON STAINLESS STEEL GRADES, ACCOUNTING FOR ABOUT 70% OF APPLICATIONS. HIGH CORROSION RESISTANCE AND EXCELLENT OVERALL PROPERTIES. SUITABLE FOR A WIDE RANGE OF APPLICATIONS. | ||||||||
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