... collars stainless steels corrosion mechanisms metallurgical failures materials performance reliability INTRODUCTION NMDCs are commonly manufactured from Cr-Mn proprietary austenitic stainless steels as these alloys provide an optimal combination of high minimum yield strengths, elevated toughness...

...) spectroscopy of the pontoon sample indicated that it was made of aluminum alloy AA 3104 as shown in Table 3 . MIC aluminum alloy floating roof galvanic corrosion materials performance tanks INTRODUCTION Above-ground storage tanks containing aluminum internal floating roofs are often utilized for storage...

... secondary phase precipitation failure investigation materials performance INTRODUCTION Figure 7 shows the SEM micrographs of the specimens at a location close to the external surface. The precipitation of the secondary phase is confirmed in the SEM micrographs. As observed in the optical micrographs...

... will be provided. The paper will then discuss inspection methods that can provide the damage data in forms that can be used for engineering assessment of the equipment. Corrosion resistant materials Polymers Corrosion effects Degradation Non-intrusive Inspections Materials performance FRP Fiber Reinforced...

... the extent of the damage, root cause, repair, and a recommendation to API TR 942-A. Nickel alloys creep materials performance pig tails INTRODUCTION Supplier quality control and the grain size requirements of ASTM B407 are not sufficient for preventing premature creep degradation of SMR outlet pigtails...

..., repair thicknesses less than the minimum required to pass the test can be used effectively and conservatively. The results will be compared to mathematical estimates that also highlight some key differences between the ASME PCC-2 and ISO 24817 standards. Composites Materials performance Maintenance...

... that was encountered. This paper discusses the root cause(s) and preventive measures to prevent such failure from reoccurrence. Corrosion Resistance Alloy Degradation Metallurgical Failure Materials Performance Failure INTRODUCTION Recently, a leak was detected in one of the hydrogen reformer tubes at a refinery...

...% ± 0.8%, corresponding to an elongation ratio of about 0.39 indicates improved resistance to HISC. High-resolution SEM analysis of GBs provides only a rough estimation whether material performance can be sufficient. Thus, other forms of testing, such as macro-scale SSR testing must be employed...

... a method or another. Particularly, when performing instant-off measurements on coupon, both the effects of measurement timing and the importance of the design of the stationary reference electrode with coupon used will be shown by means of real field data. Cathodic Protection Materials Performance...

... applied coatings. Coating (process) Coatings Protective Coatings Abrasion Impact Materials Performance Erosion Resistance Infrastructure Standardization Test Methods INTRODUCTION As onshore pipeline rights-of-way become more congested and urban sprawl increases, the number of horizontal...

... Materials performance Maintenance Preservation Surface preparation Non-metallic Repair Adhesion INTRODUCTION It should be noted that there are three adhesion locations that are essential to the leak repair in this system: The PlasmaBlast™ 7000-M (PB 7000M) system uses a low pressure (70-100 psi...

... confidence when choosing the appropriate product to provide protection during an HDD. Coating (process) Coatings Protective Coatings Abrasion Impact Materials Performance Erosion Resistance Infrastructure Standardization Test Methods INTRODUCTION As onshore pipeline rights-of-way become more...

... to values of up to 4 wt. ppm. In addition, the NACE TM0177 test provided the highest hydrogen concentrations and was the only test to show higher hydrogen concentrations for the Armco iron than for the L80 steel. Hydrogen Materials Performance Hydrogen Embrittlement Hydrogen Induced Cracking INTRODUCTION...

... corrosion of copper. The results of the investigation determined that the sealant was not compatible with the copper tubes. corrosion mechanisms stress corrosion cracking materials performance corrosion science and technology reactions (chemical) INTRODUCTION Blue discoloration of off-white sealant...

... materials performance sulfide stress cracking INTRODUCTION ASTM Grade 29 titanium alloy (UNS R56404) has been traditionally used for oil and gas stress joints (TSJ) [ 1 ]. However, given the general difficulty of processing this type of alloy in the beta quenched condition and more recently the exorbitant...

... and their interactions with cathodic protection. Multiple test methods were utilized to prove there remains a low probability of shielding for composites of typical thickness and operating environment. Coatings Protective Coatings Corrosion Potential Cathodic Protection Materials Performance Standardization Test...