Study on Corrosion Resistance of Carbon Steel/Stainless Steel Composite Pipe

Shu Yun Gou; Yu He Li

doi:10.4028/www.scientific.net/AMM.423-426.212

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 423-426Study on Corrosion Resistance of Carbon...

Study on Corrosion Resistance of Carbon Steel/Stainless Steel Composite Pipe

Abstract:

The carbon steel/stainless steel composite pipe was prepared by centrifugal compound casting-hot extrusion-cold rolling. SEM was employed in detecting the microstructure and alloy element distribution maps in stainless steel of composite pipe. The mechanical properties were measured through tensile test. The corrosion resistance of the composite pipe was detected in acid, alkali and salt solutions. The results show that the outer and inner layers are integrated with good metallurgical behavior, and the mechanical properties of the composite pipe are satisfactory, the chemical compositions are well-distributed. The grain-boundary corrosion test is qualified. This composite pipe has better corrosion resistance in 10%H₂SO₄ and 10%NaOH solution than in FeCl₃ solution at room temperature.

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Periodical:

Applied Mechanics and Materials (Volumes 423-426)

Pages:

212-218

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.423-426.212

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Online since:

September 2013

Authors:

Shu Yun Gou, Yu He Li

Keywords:

Carbon Steel/Stainless Steel Composite Pipe, Centrifugal Compound Casting, Cold Rolling, Corrosion Resistance, Hot Extrusion

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