... strain rate (SSR) tests conducted in the oil patch environments. However, the materials having grain boundaries fully covered with second phase particles had inferior properties in SSR testing. UNS N07718 UNS N07725 UNS N09925 slow strain rate oil patch microstructure time-temperature...

...slow strain rate C-ring pitting testing evaluation UNS N08825 UNS N08028 corrosion resistant alloy nickel stress corrosion cracking oil patch application sour service INTRODUCTION CRA’s have historically been screened in the selection of OCTG applications by a required minimum PREN...

... N06985 corrosion resistant alloy nickel oil patch application tubing sour service INTRODUCTION Table 1 displays the partial chemical composition of evaluated alloy G-3 heats. Material for testing came from commercially produced Oil Country Tubular Goods in the extruded, annealed and tube reduced...

... in a simulated oil patch environment relative to the same parameter in an inert environment (air or nitrogen). These are referred to as "critical ratios". TTF and %RA ratios of ≥0.80 typically represents passing behavior in SSR tests. If the ratios are below 0.90, the specimen...

... overlays. UNS N06686 UNS N07725 UNS N06625 UNS N06O59 UNS N06022 4130 steel 4140 steel weld overlay oil patch applications high strength corrosion resistant alloy sour service INTRODUCTION High performance alloys have traditionally been specified in oil field applications, where corrosion...

...Abstract Petroleum equipment companies currently sell 4130 and 4140 steel pipe with alloy 625 (UNS N06625) weld overlay for Oil Patch applications. Alloy 686 (UNS N06686), because of it's superior corrosion resistance, is currently being evaluated as a replacement material for alloy 625...

...Alloy 59 UNS # N06059 Alloy 625 UNS # N06625 weld overlay 4130 steel oil patch sour environment weld surfacing corrosion resistance Samples were cut from the two layer weld overlay samples and testing was done in both acidified (1% with HCl) and non-acidified solution of 6...

... in a simulated oil patch environment relative to the same parameter in an inert environment (air or nitrogen). TTF and %RA ratios of ≥0.80 typically represent passing behavior in SSR tests. If the ratios are below 0.90, the specimen is examined under the Scanning Electron Microscope (SEM) for evidence of ductile...