1.4462 is a compound stainless steel composed of 21% chromium, 2.5% molybdenum and 4.5% nickel-nitrogen alloy. It has high strength, good impact toughness and good overall and localized resistance to stress corrosion.
The yield strength of duplex stainless steel is twice that of austenitic stainless steel, a property that allows designers to reduce weight when designing products and gives this alloy a price advantage over 316, 317L. This alloy is particularly well suited for use in the -50°F/+600°F temperature range. Applications beyond this temperature range may also consider this alloy, but there are some limitations, especially when applied to welded structures.
1.4462 Grade: 022Cr22Ni5Mo3N
1.4462 is an austenitic-ferritic stainless steel and is the most commonly used duplex stainless steel in the world today.
Based on GB/T 1220-2007 current national standard, 022Cr22Ni5Mo3N is a new grade, austenitic-ferritic stainless steel.
Developed on the basis of Swedish SAF2205 steel, it is the most commonly used duplex stainless steel in the world.
Resistant to environments containing hydrogen sulfide, carbon dioxide, chlorides, cold and hot working and molding, good weldability, suitable for structural materials, used to replace 022Cr19Ni10 (00Cr19Ni10) and 022Cr17Ni12Mo2 (00Cr17Ni14Mo2) austenitic stainless steel used.
Used in the production of oil well tubing, chemical storage tanks, heat exchangers, condensing coolers and other pitting and stress corrosion prone to pressure equipment.