... ABSTRACT: The use of weldable 13%Cr supermartensitic stainless steel (SMSS) for flowlines is becoming more widespread, largely due to its attractive price, high strength and good corrosion resistance in oxygen-free, high CO2 brine environments. However, the sensitivity of this material...

...2011 Understanding of the mechanism of intergranular stress corrosion cracking for supermartensitic stainless steel from electrochemical point of view Yukio Miyata and Mitsuo Kimura JFE Steel Corporation, Steel Research Laboratories 1-1, Kawasaki-cho, Handa, Aichi, 475-8611, Japan ABSTRACT...

... Upstream Oil & Gas specimen welding oxide scale steel micro-droplet cell hashizume supermartensitic stainless steel resistance martensitic stainless steel weld joint base metal flowline corrosion Subsurface Corrosion as-welded joint PWHT NaCl solution fusion line stainless steel...

... ABSTRACT: A number of research works have been conducted for clarification of the mechanism of intergranular stress corrosion cracking (IGSCC) in girth welds of high grade supermartensitic stainless steel (SMSS). Although some evidence indicates that the IGSCC is caused by chromium depletion...

... corrosion resistance weld metal scale surface cr weld joint supermartensitic stainless steel steel micro-droplet cell weld joint electrochemical behavior martensitic stainless steel base metal flow type micro-droplet cell rest potential HAZ hashizume fusion line Copyright ©2008 by NACE...

... ABSTRACT The role of grain boundary sensitization on the intergranular Stress Corrosion Cracking resistance of heat affected zones in welded supermartensitic stainless steels have been studied. Slow strain rate tensile tests are performed on specimen sampled across multiplepass welds...

... ABSTRACT ABSTRACT Low carbon martensitic stainless steels, called supermartensitic stainless steels (SMSS), have widely been applied for flowlines transporting corrosive oil and gas. However, intergranular stress corrosion cracking (IGSCC) in girth welds of the steel has become a major...

... ABSTRACT Stress corrosion cracking (SCC) sensitivity of the girth welds of supermartensitic stainless steels (SMSS) tubes seems closely linked to the thermal history encountered by the heat affected zones and chemical composition. The aim of the work presented in this paper was to investigate...

... ABSTRACT Supermartensitic stainless steels (SMSS), including both lean grades (without molybdenum) and high grades (with 2% molybdenum), have shown sensitivity to intergranular corrosion or stress corrosion cracking (IGSCC) in weld HAZs during laboratory testing in chloride solutions acidified...

... natural formation water strain rate formation water tsf diagram current density fracture strain supermartensitic stainless steel Microstructure hydrogen ABSTRACT For performance assessment of oil and gas field pipe materials their susceptibility to hydrogen assisted stress cracking...

... ABSTRACT Supermartensitic stainless steels have been widely used for line pipe application because of their high strength and excellent corrosion resistance in corrosive conditions. However, field failures due to stress corrosion cracking (SCC) near the fusion line of girth weld joints were...

... supermartensitic stainless steels (S13Cr) grade 110 ksi, galvanized carbon steel wireline, duplex stainless steel wireline and alloy 718. These materials were tested as single corrosion coupons and four point bent beam specimens. The test conditions were selected to represent future HPHT Field developments...

... ABSTRACT In completion of a series of NACE papers about hydrogen permeation in supermartensitic stainless steels, the present contribution highlights hydrogen uptake and diffusion in respective TIG weld microstructures. Three different weld zones, namely the weld metal center-line, the fusion...

... hydrogen composition saturation subsurface concentration supermartensitic stainless steel HYDROGEN PERMEATION IN SUPERMARTENSITIC STAINLESS STEELS EXPOSED TO REALISTIC FORMATION WATER COMPOSITIONS D. M. Seeger and Th. Boellinghaus Division V.5 Joining Technology Federal Institute for Materials...

...RISK OF HYDROGEN EMBRITTLEMENT FROM CATHODIC PROTECTION ON SUPERMARTENSITIC STAINLESS STEELS Stein Olsen Statoil Research Centre 7005 Trondheim - Norway Linda Borvik, Gisle Rorvik, Egil Aune Statoil Materials Dept. 7005 Trondheim - Norway ABSTRACT Testing is done to evaluate the risk for HE due...

... rate experiments of supermartensitic stainless steels which are intended to be used more extensively as materials for welded flowlines in North Sea oil and gas production. As first results of such simulations the influence of the subsurface concentration provided by different H2S saturation levels...

... ABSTRACT Hydrogen might cause severe degradation of supermartensitic stainless steels, if they are activated during exposure to sour environments. Consistent and comprehensive data for hydrogen transport in these materials are thus required to support, in particular, modelling of hydrogen...

...Paper No. 23 CORROWON97 SULPHIDE STRESS CRACKING RESISTANCE OF SUPERMARTENSITIC STAINLESS STEEL FOR OCTG L. Scoppio, M, Barteri Centro Sviluppo Materidl S.p.A Vla di Castel Romano 100 P.O. Box 10747 Rome, Italy G. Cumino Dalnrine Tubi Industrial S.r.l. Piazza Caduti de] 6 Luglio 1944 Dalrnine...