| ‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘ KAWASAKI STEEL TECHNICAL REPORT No.38 ( April 1998 ) Ironmaking Technology and Tubular Products Technology ‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘ |
| Development of New OCTG HP-13Cr with Superior
CO2 Corrosion Resistance and SSC Resistance Mitsuo Kimura, Yukio Miyata, Yoshikazu Kitahaba |
| Synopsis: A new 13Cr martensitic stainless steel with excellent resistance to CO2 corrosion and good resistance to SSC has been developed and its application limit in oil and gas environment of the new steel has been clarified. The CO2 corrosion rate of the 13Cr steel is reduced with a decrease in C content and an increase in Ni content. The critical CO2 partial pressure for this new steel is 5 MPa at 150. The SSC resistance increases with an increase in Mo content. The SSC resistance of 13Cr steel depends on hydrogen permeability. This new 13Cr steel pipe proves to have excellent properties in a sweet and slightly sour environment. |
| TextiPDF: 6p./288kbj |