Flame straightening shape control of TMCP steels
- Dillinger Huette, Dillingen (Germany)
Thermomechanically rolled steels are characterized by a very low content of carbon, alloy and microalloy elements. The fabricator may have remarkable economic advantages in replacing conventional normalized steel with TMCP-steel since less preheat is required and higher heat input welding can be used without impairing HAZ toughness. For conventional steels, flame straightening has widely been used for decades to bring the structure to the right shape. Due to the fear, that flame straightening of TMCP steels could lead to local softening, the usual practice was not accepted. An investigation was carried out to determine to what extent TMCP steels were prone to softening or embrittlement after shape control and which process parameters could be used for this operation. Panels were line heated to different surface temperatures and specimens extracted to determine tensile and impact properties. For more sophisticated characterization of the changes within particular parts of the flame straightened HAZ thermal simulated specimens were tested. The results are discussed and recommendations for proper process conditions given.
- OSTI ID:
- 205427
- Report Number(s):
- CONF-950695-; ISBN 0-7918-1309-6; TRN: IM9615%%207
- Resource Relation:
- Conference: International conference on offshore mechanics and arctic engineering, Copenhagen (Denmark), 18-22 Jun 1995; Other Information: PBD: 1995; Related Information: Is Part Of OMAE 1995 -- Proceedings of the 14. international conference on offshore mechanics and arctic engineering. Volume 3: Materials engineering; Salama, M.M. [ed.] [Conoco, Inc., Ponca City, OK (United States)]; Toyoda, Masao [ed.] [Osaka Univ., Suita, Osaka (Japan)]; Liu, S. [ed.] [Colorado School of Mines, Golden, CO (United States)]; Santos, J.F. dos; Kocak, M. [eds.] [GKSS, Geesthacht (Germany)]; Patterson, E.A. [ed.] [Univ. of Sheffield (United Kingdom)]; Berge, S. [ed.] [Univ. of Trondheim (Norway)]; Stacey, A. [ed.] [Health and Safety Executive, London (United Kingdom). Offshore Safety Div.]; PB: 600 p.
- Country of Publication:
- United States
- Language:
- English
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