Detecting Flaws Analysis of Q345qD Hot Rolled Steel Plate

Author:

Luo Hai He1,Dong Zhong Bo2,Han Rong Dong2

Affiliation:

1. Wuhan Iron and Steel (Group) Corp.

2. Wuhan Iron and Steel (Group) Corporation

Abstract

Three different flaws were detected in a Q345qD hot rolled steel plate by ultrasonic test. The morphologies, chemical compositions and formation causes of these flaws were studied by using metallographic examination, Electron Probe Micros-analyzer (EPMA) and Energy Dispersive X-ray Spectrometer (EDS) analysis. Besides, some corrective measures were proposed to reduce the incidence rate of these detecting flaws.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference7 articles.

1. S. Okano, Welding Int. 22 (2008) 746-754.

2. H. Cui, Liugang Sci. Technol. 2 (2008) 45-48.

3. Q.S. Sun, X.H. Wang, X.D. Xu, et al. Iron and Steel, 42 (2007) 41-45.

4. J. Han, L. Gao, Phys. Exam. Testing, 24 (2006) 42-46.

5. Z. Guo, Shandong Metall. 30 (2008) 56-58.

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