Low alloy duplex stainless steel 00Cr21Mn5NiN

Introduction

00Cr21Mn5NiN is a low alloy dual-phase stainless steel.It is a corrosion resistant steel,which has excellent properties of good ductility and high strength.The material has been used in many applications including critical infrastructure and industrial machinery.It has excellent resistance to media such as sulfur dioxide,chlorine dioxide,nitrous acid,ammonia,potassium sulfate and alkalis.

Chemical Composition

00Cr21Mn5NiN stainless steel consists of carbon,manganese, silicon, chromium, nickel and other elements in prescribed amounts.It contains about 0.10-0.20% of carbon,0.60-1.25% of manganese,0.50-0.80% of silicon,17% of chromium and 4%-5% of nickel.The material also contains traces of phosphorus and sulphur.

Surface Properties

00Cr21Mn5NiN stainless steel has good machinability and weldability.The material does not require preheating for welding,which increases its productivity.The surface of the steel is corrosion resistant to cleaning solutions and is resistant to atmospheric corrosion in moderately corrosive environments.

Comprehensive Performance

00Cr21Mn5NiN has good plasticity and weldability and can still maintain a certain strength and toughness even at low temperature.Under normal conditions,medium- and high-strength components can be obtained.The material has good mechanical properties and is not easily corroded.It has good resistance to inter-granular corrosion and chloride pitting.This material has a high degree of oxidation resistance and can still retain a certain degree of strength and toughness at high temperature.

Applications

00Cr21Mn5NiN stainless steel can be used in various applications such as bolting materials,heat exchangers,piping systems, pulp and paper production, and construction of oil refineries and other structures subject to severe erosion and oxidation.It is also used in medical, food, and chemical industries for equipment components and valves exposed to sea water and other corrosive environments.In addition,the material is also used for metal stamping, food process machinery, and aerospace components.

Conclusion

To sum up,00Cr21Mn5NiN stainless steel is a corrosion resistant material,which has excellent properties of good ductility and high strength.The material can be used in many applications,including critical infrastructure and industrial machinery.It has good machinability and weldability and is not easily corroded.In addition,the material has a high degree of oxidation resistance and can still retain a certain degree of strength and toughness at high temperature.

00Cr21Mn5NiN is a dual-phase stainless steel alloy that is low in alloy content. It is mainly composed of Ferrite and Martensite.

00Cr21Mn5NiN has good inter-phase balance, strong machinability, ductility and corrosion resistance. With the addition of nickel and manganese, it has excellent corrosion resistance and superior oxidation resistance. Also, it has excellent strength, plasticity and weldability.

With its excellent properties, 00Cr21Mn5NiN is widely applied in home appliances, food industry, medical industry, building material industry and many other engineering fields. Also, this alloy is used in automotive parts, laboratory covers, and architecture decoration which constantly applied to outdoor environment, such as sea-river-lake merging area, salt spray, fog and pollution area.

The arc welding performance of 00Cr21Mn5NiN is good, mainly using manual arc welding and Argon Arc Welding. Shielded metal arc welding and submerged arc welding can be used as well, however, a welding rod should be used with a type of appropriate base metal composition. Special heat treatment process is not required after welding.

00Cr21Mn5NiN is resistant to stain, so it is widly used for long-term outdoor applications, meanwhile, it can provide strong corrosion resistance and superior oxidation resistance. Due to its superior performance, this dual-phase stainless steel has become the best choice for many engineering fields.