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High Nitrogen Steels
Energietechnik Essen GmbH has been making special forged products and pressure-nitrided alloys for many years. In order to meet the ever more demanding requirements of customers with regard to the physical and chemical properties, such as strength, toughness and corrosion resistance, we have meanwhile enhanced the pressure electro slag remelting (PESR) process at the company's works in Essen so that we are now able to produce pressure-nitrided steels with outstanding property profiles on an industrial scale with the aid of this technology.
The PESR process makes it possible to increase the nitrogen content beyond the solubility limit. The advantages of an increased nitrogen content are higher hardness and better corrosion resistance. Where austenitic steels are concerned, the austenitic structure is stabilised and the tensile strength increased without reducing the toughness.
The following material qualities are produced at Energietechnik Essen GmbH at the present time:
Name | Mat. No. | Designation | Structure |
|---|---|---|---|
Cronidur 30 | 1.4108 | X 30 CrMoN 15 1 | Martensite |
P 900 N | 1.3815 | X8CrMnN19-19 | Austenite |
P 900 N Mo | 1.4456 | X8CrMnMoN18-18-2 | Austenite |
P 2000 | 1.4452 | X13CrMnMoN18-14-3 | Austenite |
It is, of course, also possible to produce alloys to customer specification. In our ESR and PESR units we are able to produce ingots weighing between 2 t and 26 t. Please contact us for further details.
