... Abstract UNS N08935 is a new versatile austenitic alloy with the composition 35Ni-30Fe-27Cr-6.5Mo-0.28N and a PREN of 52. It has an extreme pitting resistance which makes the grade a good candidate for O&G applications. The alloy is available in several strength levels with good ductility...

...16555 A New, Highly Stable Corrosion Resistant Alloy for Severe Oil & Gas and CPI Environments David S. Bergstrom, Nacéra Sabrina Meck, and John J. Dunn ATI Specialty Rolled Products Natrona Heights Operations 1300 Pacific Avenue Natrona Heights, PA, 15065 USA ABSTRACT ATI has developed ATI 642...

... Abstract Operating temperatures above 700°C are desired to improve the efficiency of power generation systems such as microturbines. Therefore, the use of creep-resistant Ni-based or Fe-based alloys, which can form protective Cr 2 O 3 and Al 2 O 3 scales, is required. In this paper, Fe...

... Sweden Sweden ABSTRACT The comparison of the pitting resistance of alloys with high corrosion resistance can be challenging, as CPT-values (critical pitting temperatures) are often above the boiling point of the test solutions. For high-nickel alloys, the use of potentiostatic electrochemical methods...

... ABSTRACT The study of hydrogen stress cracking of various Nickel based alloys has recently been reported by others and is a subject of increasing interest. This paper describes results for different test methods, including Slow Strain Rate Testing (SSRT), Incremental Step Loading (ISL...

... ABSTRACT One accident tolerant fuel solution to replace the zirconium cladding of the nuclear fuel is using iron-chromium-aluminum -FeCrAl- alloys, which offer extraordinary resistance to high temperature reaction with air or steam due to the formation of a protective alumina layer...

... ABSTRACT Nickel-based alloys containing optimum amounts of chromium (Cr), molybdenum (Mo) and tungsten (W) are widely used in the chemical process industries due to their tolerance of both oxidizing and reducing conditions. In the present study, corrosion tests were performed using weight...

... currently used in the USA is urania (or uranium dioxide) clad into zirconium-based alloy tubes. The fuel pellets plus the cladding tubes system are called fuel rods. The rods are assembled in bundles; each bundle contains approximately 100 rods. The fuel bundles stay in the reactor core for approximately 5...

... compatibility wiThexisting manufacturing processes. A series of immersion tests in a variety of chloride brines and temperatures as well as electrochemical measurements such as potentiodynamic polarization curves were conducted to rank the alloys in chloride-rich environments and establish their potential...

... ABSTRACT The precipitation-hardenable Nickel Alloy UNS (1) N07718 is one of the most commonly applied alloy in the oil and gas industry. Enriched with amounts of niobium, molybdenum, titanium and aluminum, this alloy is known as having good corrosion resistance in sour gas applications while...

... the difference in CCT-values for the two alloys, to the benefit of UNS S31266, for which the CCT-value was the same at 0.28 and 1.58 Nm. The difference in CCT-values between methods and alloys is discussed and compared with published results. INTRODUCTION The Importance of Crevice Corrosion Resistance...

... ABSTRACT The US Navy has used copper alloys for decades for a wide range of applications. This paper seeks to provide insight into some of the applications and the historical corrosion issues faced. The role of the environment will be highlighted. Additionally, the key issue of knowledge...

... ABSTRACT Copper alloys are used in many seawater applications due to their environmentally assisted cracking resistance, general corrosion, pitting and crevice corrosion resistance as well as their anti-fouling properties. Age hardenable copper alloys such as copper-beryllium (Cu...

... ABSTRACT For many decades corrosion resistant copper alloys have been utilized in sea water applications for their unique combination of properties, anti-biofouling, non-sparking, resistance to cavitation corrosion, excellent wear properties and low magnetic permeability. One disadvantage...

... analyzed with SEM, XEDS, XRD and light microscope. The aim of corrosion testing was to simulate high temperature geothermal environment i.e. IDDP-1 (Iceland Deep Drilling well #1) conditions where previous on-site corrosion testing of some alloys had been conducted. The experiment casts a light...

... ABSTRACT The re-passivation kinetics and composition of the passive film of CoCrMo alloys in simulated body fluids have been investigated, with key emphasis being to assess the effect that proteins have on these features. The kinetics were analyzed using potentiostatic polarization, applying...

... ABSTRACT The changing material demands in the chemical processing and related industries calls for new and more performing materials. UNS N08034 is a new super-austenitic stainless steel alloyed with about 27 % chromium and 6.5 %-molybdenum. Further it has an intended addition of nitrogen...

... such as: temperature, oxygen content, biofilm and fouling activity, flow rates and hydrostatic pressure. For passive materials such as Cr Ni Mo stainless steels and nickel-based alloys, the specificity of the above parameters in deep sea environment might have an impact on both initiation and propagation phases...

... categories 4a and 4c type nickel-based alloys defined by ISO15156-3 for down-hole applications. Good resistance to stress corrosion cracking (SCC) has been found in literature for the OCTG grade of these alloys. Of similar Ni+2Mo+0.5Cr content and high CPT in chloride solutions observed in this study, UNS...

... ABSTRACT Metal dusting can be a severe failure mechanism of metallic materials exposed to industrial process environments containing high carbon activity. There have been many studies on the metal dusting behaviors of alloys in 1 atm environments, but some recent laboratory-scale studies have...