... discusses the corresponding SSC limits. - ferritic - pearlitic steels, - bainitic steels, - multi-phase steels. Where H₂S containing effluent is a concern, the steels particularly need to resist Hydrogen Induced Cracking (HIC) and Sulfide Stress Cracking (SSC). Further issues arise...

... explores the development of an online welding procedure to weld stainless steel 304L, making branch connections to meet business requirements without disrupting the operation. Burn through hydrogen induced cracking Stainless steel weld tensile test hardness test in-service welding API-1104...

... to cathodically protect the exposed steel H₂S CO₂ Sour Service Hydrogen Embrittlement Sulfide Stress Cracking Hydrogen induced cracking High Strength Steels INTRODUCTION Unbounded flexible pipe are constructed from concentric layers of polymers and steel material. In order to preserve...

... is more vulnerable to HIC. Banding results from chemical inhomogeneity and is believed to locally affect mechanical properties as well as the microstructure. Abstract Prior to 2003, hydrogen induced cracking (HIC) testing was not incorporated into NACE MR0175 / ISO 15156⁽¹⁾ and generally...

.... This advanced UT inspection revealed the second significant point of the investigation in identifying hydrogen induced cracking blisters in the top and bottom heads of the column as well as the 24” piping of the bottom product cycle. It was concluded in this case, that the HIC blistering did not exhibit any...

...-sections of the steel specimens after testing revealed no evidence of hydrogen induced cracking (HIC). Rotating cylinder autoclave tests at 65ºC with typical pipeline oil velocities show no significant difference in corrosion rates in the oils tested, and no evidence of erosion-corrosion. Interfacial...

... corrosion phenomena in steels, such as Hydrogen Induced Cracking (HIC), Sulfide Stress Cracking (SSC), and Stress Oriented Hydrogen Induced Cracking (SOHIC). During the last 30 years, pressure vessel steels with improved SSC, and furthermore HIC, resistance have been developed to resist H₂S...

... to exposure to the corrosive environment. Hydrogen Sulphide Hydrogen Induced Cracking ‘Heritage’ Materials INTRODUCTION Carbon and low alloy steel sweet pipelines could be in danger of sudden and/or severe cracking and, consequently, loss of containment if hydrogen sulphide (H₂S) is introduced...

... into a blister as in the case of classical blisters. Though both the blisters morphology appear to be the same, these blisters can be distinguished by metallographic evaluation. Hydrogen Induced Cracking Hydrogen Blistering Hydrogen causes several types of metal degradation such as hydrogen embrittlement...

... is to study hydrogen induced cracking (HIC) and sulfide stress cracking (SSC) properties of the pressure vessel steel (ASTM A516) having three different kinds of microstructure obtained by different cooling rates in normalizing heat treatment. HIC test was performed in reference to NACE TM0284 standard method...

... during cross section analysis using standard metallographic practices. Sulfide Stress Cracking Local Hard Zones Vickers Hardness Survey Four-point bend testing Heat Affected Zones Severe Sour Service Heat Affected Zone Hardness Hydrogen Induced Cracking Weld Hardness Weld Cracking Susceptibility...

... (SEM). Hardness Abstract The microstructure and hydrogen induced cracking of SAW welds in API 5L X70 grades with different amount of titanium were studied. The investigation was carried out on the base metal, heat affected zone and weld metal with three different titanium amounts in weld metal...

...INTRODUCTION Abstract NACE MR0175/ISO 15156-2:2003 lists J55 tubing as acceptable for sour service without temperature restriction in “SSC Region 3” as defined by Figure 1 of that standard. ^{1 , 2} API 5CT does not require hydrogen induced cracking (HIC) testing of J55 tubing and NACE...

... longitudinal submerged arch welded (LSAW) large-diameter pipes of grade X65 to X80 for resistance to HIC (Hydrogen Induced Cracking) has been performed at test conditions representing less severe duty compared to NACE TM0284-2003 standard test conditions. The fitness of the material for intended applications...

... hydrogen induced cracking crack ratio sour corrosion OBJECTIVES The objectives of the work reported here, were to correlate corrosion rate and hydrogen flux through simultaneously tested hydrogen induced cracking (HIC) susceptible and resistant A516 grade steels in sour solutions at ambient temperatures...

... envelopes and the integrity concerns due to environmental cracking focusing on case histories related to hydrogen induced cracking, hydrogen blisters and chloride stress corrosion cracking. Moreover, this paper will also focus on the challenges associated in quantifying the magnitude of impact...

... steels, which could be sensitive to wet H₂S cracking. Hydrogen sulfide is responsible for numerous embrittlement phenomena in steels, such as Hydrogen Induced Cracking (HIC), Sulfide Stress Cracking (SSC), and Stress Oriented Hydrogen Induced Cracking (SOHIC). Some parameters influence Carbon...

..., and transportation within various steels. Material composition, welding techniques, and operating process design conditions to mitigate harmful effects as well as case histories are also included. hydride hydrogen charging hydrogen embrittlement hydrogen induced cracking hydron nascent hydrogen tunneling...

... Hydrogen Induced Cracking (HIC) and Sulfide Stress Cracking (SSC). At the present time, material selection for sour environments is generally obtained using standard tests (NACE TM0177 and NACE TM0284) which give information about the resistance of steels in sour service. These tests are suitable...

...INCLUSIONS Abstract Hydrogen sulfide contained in crude oil and natural gas causes hydrogen related problems such as hydrogen induced cracking (HIC) and sulfide stress cracking (SSC) of pipeline steels. In particular, HIC is a more serious problem because it occurs without applied stress...