Journal of Iron and Steel Research International

, Volume 25, Issue 10, pp 1068–1077 | Cite as

Microstructure evolution and mechanical properties of 316L austenitic stainless steel with aluminum addition by warm rolling

  • Xin Guo
  • Pei-qing LaEmail author
  • Heng Li
  • Yu-peng Wei
  • Xue-feng Lu
Original Paper


Microstructure evolution and mechanical properties of 316L austenitic stainless steel with aluminum addition by warm rolling at 550 °C were investigated. It is found that sample is composed of an ashen austenite matrix, a gray black ferrite phase and a small number of NiCx. The average grain sizes are 21.62, 19.66 and 19.49 μm for samples with the rolling deformation of 30%, 50% and 70%, respectively. The yield strength and tensile strength of samples with solid solution time of 30 min and deformation of 70% are higher. The fracture modes are similar and belong to toughness fracture. The fracture surfaces of the samples are composed of relatively large equal-axis ductile dimples (5–15 μm) and fine scattered ones around the dimples (< 5 μm). As the rolling deformation increases, the quantity of subgrain boundary increases and the < 101 > orientation is more prominent. {001} < 110 > rotation-cube textures are present in ferrite phase of samples and weak Goss texture is formed in austenite pole images.


AISI 316L austenitic stainless steel Warm rolling Tensile property Fracture mechanism Deformation texture 



The work was supported by the National Natural Science Foundation of China (51561020), the Gansu Provincial Science and Technology Support Program (1304GKCA027) and the China Postdoctoral Science Foundation (2015M572615, 2016T90959).


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Copyright information

© China Iron and Steel Research Institute Group 2018

Authors and Affiliations

  • Xin Guo
    • 1
    • 2
  • Pei-qing La
    • 1
    • 2
    Email author
  • Heng Li
    • 1
  • Yu-peng Wei
    • 1
  • Xue-feng Lu
    • 2
  1. 1.State Key Laboratory of Advanced Processing and Recycling of Non-ferrous MetalLanzhou University of TechnologyLanzhouChina
  2. 2.Key Laboratory of Nonferrous Metal Alloys and ProcessingMinistry of Education, Lanzhou University of TechnologyLanzhouChina

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