S31254 steel plate

Product Overview

S31254 is a high-alloy stainless steel, also known as 254SMO or 1.4547 stainless steel. It is a special super stainless steel with corrosion and stress corrosion resistance, used in chemical industry, marine engineering, oil production, and other fields.

Chemical Composition

Chromium (Cr): 19.5-20.5%

Nickel (Ni): 17.5%-18.5%

Molybdenum (Mo): 6.0-6.5%

Copper (Cu): 0.5-1.0%

Manganese (Mn): 1.0% max

Vanadium (V): 0.2-0.3%

Silicon (Si): 0.8% max

Phosphorus (P): Max 0.03%

Sulfur (S): 0.01% max

Carbon (C): Max 0.020%

Nitrogen (N): 0.18-0.22%

Iron (Fe): Available Quantity

Product Features

The chemical composition of S31254 stainless steel features high contents of chromium, nickel, and molybdenum, which are crucial for determining its corrosion resistance, strength, and toughness. The addition of copper enhances its corrosion resistance. Moreover, the amounts of manganese, vanadium, phosphorus, and sulfur also have an impact on its properties. S31254 stainless steel boasts excellent corrosion resistance, particularly against chloride ions.