Processing of Ultralow Carbon Pipeline Steels with Acicular Ferrite

材料科学技术（英文）, 2004, 20(6): 779-781.

^1, , ^2, , ^3, , ^4, , ^5,

1.Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China;Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

2.Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

3.Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

4.Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China

5.Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

基金项目: 国家重点基础研究发展计划(973计划)(G1998061511) the Natural Science Fund of Hebei Province No(501205)

Processing of Ultralow Carbon Pipeline Steels with Acicular Ferrite

Keywords： Pipeline steel

Acicular ferrite microstructure was achieved for an ultralow carbon pipeline steel through the improved thermomechanical control process (TMCP), which was based on the transformation process of deformed austenite of steel.Compared with commercial pipeline steels, the experimental ultralow carbon pipeline steel possessed the satisfied strength and toughness behaviors under the current improved TMCP, although it contained only approximately 0.025% C, which should mainly be attributed to the microstructural characteristics of acicular ferrite.

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Processing of Ultralow Carbon Pipeline Steels with Acicular Ferrite

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