Study on the Influence of Cooling Rate on the Property of Non-Quenching and Non-Tempering Steel OCTG

Abstract:

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Two industrial produced non-quenching and non-tempering steels 40Mn2V and 36Mn2V had been tested by Gleeble-1500 thermal simulation machine to simulate MPM rolling, sizing and cooling process. The cooling rate in the air noticeably affected the final property of different size pipes. According to the measured practical cooling rates of different size pipes, appropriate size pipes with cooling rate at range of 0.9°C/s~1.6°C/s and 1.6 °C/s~2.1°C/s can be picked out to use steel 40Mn2V and 36Mn2V to produce grade N80 OCTG(Oil Country Tubular Goods) with steady property respectively. This result had been used in practical production, which greatly improved the property stability of grade N80 OCTG.

Info:

Periodical:

Edited by:

Dongye Sun, Wen-Pei Sung and Ran Chen

Pages:

837-841

DOI:

10.4028/www.scientific.net/AMM.71-78.837

Citation:

J. Fang et al., "Study on the Influence of Cooling Rate on the Property of Non-Quenching and Non-Tempering Steel OCTG", Applied Mechanics and Materials, Vols. 71-78, pp. 837-841, 2011

Online since:

July 2011

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$35.00

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