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http://dx.doi.org/10.7777/jkfs.2015.35.3.045

Mechanical and Corrosion Properties of A487 Cast with Different C and Cr/Mo Contents  

Jung, Woo-Jin (Department of Metallurgical and Materials Engineering, ReCAPT, Gyeongsang National University)
Jeong, Dae-Ho (Department of Metallurgical and Materials Engineering, ReCAPT, Gyeongsang National University)
Lee, Young-Cheol (Dongnam Regional Divison, Korea Institute of Industrial Technology)
Lee, Jae-hyun (Department of Materials Science and Engineering, Chanagwon National University)
Kim, Sang-shik (Department of Metallurgical and Materials Engineering, ReCAPT, Gyeongsang National University)
Publication Information
Journal of Korea Foundry Society / v.35, no.3, 2015 , pp. 45-52 More about this Journal
Abstract
The effect of different C and Cr/Mo contents, which were varied within the range allowed in the relevant specification, on the mechanical and corrosion properties of A487 alloy cast steel were examined. The increase in strength level with increasing C content and the decrease in strength along with the increase in tensile elongation with decreasing Cr/Mo contents were observed in A487 alloys with different C and Cr/Mo contents. At room temperature, the decrease in Cr/Mo content was beneficial in improving the impact properties of A487 alloy, with no notable difference in absorbed energy with varying C content. The impact properties of A487 alloy at $-60^{\circ}C$, on the other hand, greatly improved with the increase in C and the decrease in Cr/Mo contents. The corrosion behavior of A487 alloys in 3.5% NaCl solution did not show any meaningful change with different C and Cr/Mo contents.
Keywords
Tensile property; Impact property; Corrosion property; A487; Low temperature;
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