## Abstract The present paper focuses on two aspects: the service conditions of a flame tube in a lowβNO~x~ recirculation burner (maximum temperature experienced by the material: 1000 Β°C) and the interrelationship between service conditions and both the structure and growth of the oxide scale. The
High-temperature alloys for long-term service in chemical process industry applications
β Scribed by M. F. Rothman; Dipl.-Ing. P. Helm
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- German
- Weight
- 481 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0947-5117
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β¦ Synopsis
HAYNESa alloys No. 230 und No. 556 are new high-temperature alloys for the chemical industry. 230TM alloy is used in nitric acid production, while 556Tu is employed in waste incineration and complex aggressive process environments. Performance properties are discussed. HAYNES@ alloy No. 230 und No. 556 sind neue Hochtemperaturwerkstoffe fur die chemische Industrie. 230TM alloy wird bei der Herstellung von Stickstoffsaure eingesetzt, wahrend 556" alloy bei der Miillverbrennung und komplexen, aggressiven ProzeRbedingungen angewandt wird. Die Werkstoffeigenschaften werden erlautert.
USA. KG, Postfach 90 20, 4000 Dusseldorf 1. :** Dipl.-Ing. P. Helm, Robert Zapp Werkstofftechnik GmbH & co Fig. 1. Nitric acid catalyst grid basket of 230TM alloy Abb. 1. Salpetersaure-Katalysatornetz aus der Legierung 230@ 1 L .
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