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nickel alloy filler metals

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Proceedings Papers

AM-EPRI2004, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Fourth International Conference, 855-871, October 25–28, 2004,
... Abstract In the late 1980s, the domestic utility industry experienced failures in dissimilar metal welds (DMWs) between low-alloy ferritic tubing and austenitic tubing in superheaters and reheaters. Extensive research by EPRI found that nickel-based filler metals provided significant service...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 1025-1037, October 22–25, 2013,
...-section and stub-to-header weld joints are present. This paper is intended to describe the proper procedures developed over years of study that will allow for ASME code quality welds in alloy 740H with matching composition filler metals. coal-fired boilers Inconel alloy 740H nickel alloy filler...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 582-591, October 15–18, 2024,
... Abstract In this paper, the dissimilar metal welds (DMWs) between 617B nickel-based alloy and 10%Cr martensitic heat-resistant steel filled by 617 filler metal was studied, focused on the high temperature creep rupture properties. The high temperature creep rupture properties of welded joints...
Proceedings Papers

AM-EPRI2007, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Fifth International Conference, 940-967, October 3–5, 2007,
... Abstract In the late 1980s, the domestic utility industry experienced failures in dissimilar metal welds (DMWs) between low-alloy ferritic tubing and austenitic tubing in superheaters and reheaters. Extensive research by EPRI identified that nickel-based filler metals significantly improved...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1036-1047, October 21–24, 2019,
... will be compared for INCONEL filler metals 72, 72M, 625 and 622. boilers cladding corrosion resistance erosion resistance fossil-fueled boiler tubing Inconel filler metals nickel-chromium alloys superheaters water wall tubes Joint EPRI 123HiMAT International Conference on Advances in High...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 924-932, October 15–18, 2024,
... the FRI model. Evaluated Chemical Compositions This work evaluated the FRI calculated for austenitic stainless steels, Nickel-based alloy filler metals (family 52), and the dilution in between them. The chemical composition of the alloys was selected based on experimental data found in the literature...
Proceedings Papers

AM-EPRI2010, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Sixth International Conference, 1045-1066, August 31–September 3, 2010,
.... This study details successful efforts to eliminate liquation cracking and compares the properties of Inconel alloy 740 and Haynes 282 filler materials using the gas tungsten arc welding process. boilers corrosion resistance liquation cracking nickel-base superalloys nickel-chromium-cobalt alloys...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 459-467, October 22–25, 2013,
... turbines operating at temperatures up to 750°C. Capability to manufacture full-scale forged rotors and cast turbine casings from nickel-based alloys with sufficient creep-rupture strength at 750°C/105 hours is investigated. Welding of nickel-based alloys in homogeneous or heterogeneous combination with 10...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 847-862, October 22–25, 2013,
... Road, Newton, NC 28037, USA ABSTRACT INCONEL Filler Metal 72, a 43% Cr nickel alloy welding wire, has been used in elevated temperature service to protect boiler tubing for over 20 years. Along with FM 72 overlays, INCOCLAD 671/800H co-extruded tubing has also been used to great advantage for resisting...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 230-241, October 22–25, 2013,
... studies of nickel-based alloys such as 239 Haynes 230 [12] and alloy 617 [13] show WSF around 0.8. Therefore, from a practical standpoint, a WSF of 0.7 can be successfully utilized in design by avoiding seam welded components. If seam welds are required, the data clearly indicate alternative filler metals...
Proceedings Papers

AM-EPRI2007, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Fifth International Conference, 809-817, October 3–5, 2007,
... solutions to both high and low temperature pressure service condition problems associated with austenitic stainless steel. This weld filler metal is identified by its major alloying elements 16-8-2 [nominally, 16% chromium (Cr)-8% nickel (Ni)-2% molybdenum (Mo This alloy was originally developed by Babcock...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 931-938, October 11–14, 2016,
... of W62-10CMWV-Co was marginal. Additionally, the hot cracking susceptibility of weld metal using Ni base filler wire ERNiCr-3 was occasionally below the required level. Similar welding consumable for SAVE12AD has been developed to solve these problems. Optimization of nickel, neodymium and boron contents...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1237-1249, October 21–24, 2019,
... and etched. The plates used in the evaluation were 37mm thick and manufactured via a sand cast route. Welding was performed using the gas tungsten arc welding process (GTAW) employing an alloy 625 metal filler. Welding and testing was performed by the UK Welding Institute (TWI) as part of the UK funded IMET...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 984-993, October 15–18, 2024,
..., but due to the lack of observable DRX, creating a threshold for DRX grain size, grain aspect ratio, and GB density is not possible. Future work will aim to optimize characterization criteria based on a Ni-Cr weld with large presence of DRX. INTRODUCTION High chromium nickel-based alloys and filler metals...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 1199-1206, October 11–14, 2016,
... Abstract Unpredictable failures near the phase boundary in Grade 91 dissimilar metal welds (DMW) with nickel based filler metals represent a significant problem for the power generation industry. In order to determine the root cause for these failures, it is necessary to understand...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 855-860, October 15–18, 2024,
... hardness low cycle fatigue nickel-chromium-molybdenum alloys shielded metal arc welding tempering toughness weld samples Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference October 15 18, 2024, Bonita Springs Florida, USA...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1069-1078, October 21–24, 2019,
... Abstract Nimonic 263 alloy was selected for gas turbine combustor transition piece due to its excellent high temperature mechanical performance. In present work, Nimonic 263 alloy plate with thickness of 5mm was welded using 263 filler metal by GTAW, then post weld heat treatment of 800℃/8h/air...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 992-1005, October 22–25, 2013,
....: Update on EPRI P87 Filler Metal. Boiler Reliability Interest Group, Baltimore 22.04.2010 CODES AND STANDARDS USED: 1. ASTM A213 / A213M - 13: Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes 2. ISO 5817: Welding - Fusion-welded joints...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 60-70, October 21–24, 2019,
... we have used three different filler metals: Grade 91, Alloy 82 and EPRI P87. Table III. Chemical composition of filler metal acc. to producer s data Grade Contents of chemical elements, % C Mn Si Cr Ni Mo Nb Ti W CrMo91 0.09 0.51 0.25 9.0 0.63 0.94 0.052 - S Ni 6082 0.035 2.99 0.08 20.0 rest - 2.42...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 768-777, October 11–14, 2016,
... study pointed to the use of nickel-based filler metals as affording a strong negative influence on sigma formation. Additional alloys discussed previously [2] showed similar behavior to the use of filler metal 82 detailed here and especially in Figure 6. Thus it is not the only solution though...