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HomeMaterials Science ForumMaterials Science Forum Vol. 749Influence of Sulfur and Manganese Contents on...

Influence of Sulfur and Manganese Contents on Texture and Fish-Scale Resistance of DC03EK Cold-Rolled Enamel Steel

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Abstract:

In the this paper, the compositions design with low carbon and addition of sulfur and manganese which can enhance fish-scale resistance by MnS as hydrogen trap was adopted to produce DC03EK cold-rolled enamel steel. The effect of sulfur and manganese contents on formability and fish-scale resistance of DC03EK cold-rolled enamel steel was investigated. Results show that yield strength, ultimate tensile strength, elongation, work hardening exponent and average plastic strain ratio of the steel with sulfur content of 0.024wt% and manganese content of 0.22wt% is 133 MPa, 310 MPa, 36.8%, 0.22 and 1.46, respectively, showing the well formability. And its hydrogen penetration time and diffusion coefficient is higher than 12 min and lower than 9.26×10^-7 cm²/s, respectively, showing excellent fish-scale resistance. However, for the steel with sulfur content of 0.012wt% and manganese content of 0.12wt%, even though better formability is obtained, the fish-scale resistance is poor with hydrogen penetration time of 4.7 min and hydrogen diffusion coefficient of 2.36×10^-6 cm²/s which is far from the expectation of steel for enamel.

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Periodical:

Materials Science Forum (Volume 749)

Pages:

337-342

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.749.337

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Online since:

March 2013

Authors:

Fu Tao Dong, Lin Xiu Du, Xianghua Liu, Jing Min Jiao

Keywords:

Enamel Steel, Fish-Scale Resistance, MnS, Texture

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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