DYNAMIC CORROSION BEHAVIORS OF N80,P105 AND SM110 STEEL

J Chin Soc Corr Pro

2005, Vol. 25

Issue (4): 241-244 DOI:

Research Report

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DYNAMIC CORROSION BEHAVIORS OF N80,P105 AND SM110 STEEL

Jianping Li;Guoxian Zhao;

东北大学材料治金学院

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Abstract The effect of CO2 partial pressure , flow velocity , water cut,Cl- concentration and pH of solutions on the corrosion behaviors of n80, P105 and SM110 steel were studied. When the temperature was 90℃ and flow velocity was 1.5m/s, corrosion rate increased early and decreased lately with CO2 partial pressure increasing, when CO2 partial pressure was 2.5MPa, corrosion rates of materials investigated except N80 steel reached maximal value. When the temperature was 90℃ and CO2 prtial pressure was 2.5 MPa, corrosion rate increased early and decreased lately with flow tate increasing, being maximal at 1.5m/s flow velocity. Water cut sharply influenced the corrosion rate. The effect of pH and Cl- concentration on the corrosion rate were unobvious.

Key words: corrosion tube and case steel temperature flow rate water cut CO2 corrosion

Received: 01 April 2004

ZTFLH:

TG172

Corresponding Authors: Jianping Li E-mail: Lijianp@yahoo.com.cn

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Jianping Li; Guoxian Zhao. DYNAMIC CORROSION BEHAVIORS OF N80,P105 AND SM110 STEEL. J Chin Soc Corr Pro, 2005, 25(4): 241-244 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2005/V25/I4/241

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