Room temperature mechanical properties of chromium-nickel-manganese-nitrogen austenitic stainless steel 0Cr18Ni3Mn13N (Nitronic33)

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0Cr18Ni3Mn13N (Nitronic33), is an austenitic stainless steel alloy with high nitrogen, chromium, nickel and molybdenum content. It is designed to provide superior corrosion resistance, ductility and strength at elevated temperatures, compared with most other stainless steels. In addition, it has excellent cryogenic temperature capability with exceptional toughness at small cryogenic temperatures.

At room temperature, general mechanical properties of 0Cr18Ni3Mn13N are good. It possesses strength greater than that of most austenitic stainless steel alloys and offers an extensive range of hardening behavior, depending on composition and heat treatment type. In addition, 0Cr18Ni3Mn13N is good formability, allowing it to be easily formed into complex shapes.

Due to its controlled amounts of nitrogen, chromium, nickel, and manganese, 0Cr18Ni3Mn13N has superior corrosion resistance to ordinary austenitic stainless steel alloys, particularly in highly chlorinated environments and when exposed to elevated temperatures. It is suitable for submersion in seawater, hot alkaline and acidic water, and high temperature industrial environments.

At room temperature, 0Cr18Ni3Mn13N exhibits very good creep and fatigue properties, making it ideal for applications where it must withstand high cyclic stresses. It also retains its high yield strength at elevated temperatures, making it an excellent choice for applications requiring durability and strength in high-temperature environments.

0Cr18Ni3Mn13N has good weldability and machining characteristics, making it a popular material among fabricators. It can be readily welded using the AWS (American Welding Society) approved methods, and it has excellent welding characteristics when used in cold working applications. Industrial components made from 0Cr18Ni3Mn13N are easy to machine and cut, due to its good wear and corrosion resistance properties.

In conclusion, 0Cr18Ni3Mn13N is a versatile alloy with improved corrosion, ductility, and strength at elevated temperatures, compared to the majority of the austenitic stainless steel alloy grades. It is suitable for use in a wide range of industries, including industrial and marine applications. It has excellent creep and fatigue properties at room temperature, good formability and machinability, and exceptional corrosion resistance.

Nitronic 33 (0Cr18Ni3Mn13N) is a high-performance stainless steel developed by Austria Steel Company. It is a stainless steel alloy with high nitrogen content, a austenite-type structure and good corrosion resistance. Due to its excellent combination of high mechanical strength and toughness, good corrosion resistance and excellent weldability, it is widely used in various areas.

Nitronic 33 is classified as an austenitic stainless steel alloy. The composition of its alloy is Cr: 17.5-19.0%, Ni: 12.0-15.0%, Mn: 1.0-3.0%, N: 3.2-4.2%, Si: ≤ 0.5%, P ≤ 0.030%, S ≤ 0.035%, Cu ≤ 0.5%.

The mechanical properties of Nitronic 33 at ambient temperature are as follows: tensile strength σb (Mpa): ≥ 850; yield strength σpO.2 (%): ≥ 650; elongation A5 (%): ≥ 25; hardness HBS: ≤248; reduction of area (%): ≥40; impact energy AKv (J): ≥ 30.

In addition, the nitronic 33 shows excellent performance in terms of wear resistance and seawater corrosion resistance. Its seawater corrosion rate is lower than that of 316 stainless steel and it can be used as a substitute for 316 stainless steel.

In conclusion, Nitronic 33 is a austenitic stainless steel alloy with excellent mechanical properties, corrosion resistance and weldability. It is widely used in power plants, chemical plants, offshore platforms, ships and other harsh environments.