1-20 of 40 Search Results for

Inconel alloy 740H

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 215-229, October 22–25, 2013,
... Abstract Inconel alloy 740H was specifically developed for use in coal-fired AUSC boilers. This alloy displays a unique combination of steam and coal-ash corrosion resistance, microstructure stability, creep strength and heavy section weldability. During the past two years Special Metals...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 265-275, October 22–25, 2013,
... Abstract Inconel alloy 740H is designated for boiler sueprheater/reheater tubes and main steam/header pipes application of advanced ultra-supercritical (A-USC) power plant at operating temperatures above 750°C. Microstructure evolution and precipitates stability in the samples of alloy 740H...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 1025-1037, October 22–25, 2013,
... current designs. Inconel alloy 740H (UNS N07740) is a new nickel- based alloy that serves as a candidate for steam header pipe and super-heater tubing in coal-fired boilers. Alloy 740H has been shown to be capable of withstanding the extreme operating conditions of an advanced ultra-super-critical (AUSC...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 270-283, October 15–18, 2024,
.... Gen 3 CSP components are expected to require the use of heat-resistant nickel- based alloys due to the elevated operating temperatures in designs carrying molten salt or supercritical CO 2 . INCONEL alloy 740H (alloy 740H) was investigated as an alternative to UNS N06230 (alloy 230) as it possesses...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 101-124, October 11–14, 2016,
.... Siefert, editors ALLOY 740H DEVELOPMENT OF FITTINGS CAPABILITY FOR AUSC APPLICATIONS John J. deBarbadillo and Brian A. Baker Special Metals Corporation, Huntington, West Virginia, USA Stephen A. McCoy Special Metals Wiggin Ltd, Hereford, UK ABSTRACT INCONEL® alloy 740H® has been specified for tube...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1132-1144, October 21–24, 2019,
...-strengthened alloys if thinner tube wall can be specified. To date, the only age-hardened alloy that has been approved for service in the time dependent temperature regime in the ASME Boiler and Pressure Vessel Code is INCONEL alloy 740H. Extensive evaluation of seamless tube, pipe, and forged fittings...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 1038-1046, October 22–25, 2013,
... Supercritical nickel-base alloys 617, 740H, and 800. It is determined that this stress relaxation test will be appropriate for these alloys. INTRODUCTION INCONEL® Alloy 740H, a candidate superalloy for Advanced Ultra SuperCritical (AUSC) coalfired power plant construction, has recently been the subject...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1060-1068, October 21–24, 2019,
... corrosion resistance, such as Nimonic 263, alloy 617B and alloy 625, etc, are the promising candidate alloys in Europe, USA, Japan and China for boiler superheater/reheater tube or pipe, steam turbine rotor or casing, etc [5-7]. In particular, two newly-designed nickel-base superalloys, Inconel alloy 740H...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 276-280, October 22–25, 2013,
... boilers bending test deformability Inconel alloy 740H post weld heat treatment weldability welding Advances in Materials Technology for Fossil Power Plants Proceedings from the Seventh International Conference October 22 25, 2013, Waikoloa, Hawaii, USA httpsdoi.org/10.31399/asm.cp.am-epri...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 131-142, October 22–25, 2013,
... difference in creep-rupture results between Inconel 740 and Inconel 740H was found although the latter alloy showed significantly greater resistance to η phase formation during testing. Little effect of prior aging treatments (for setting the γ′ precipitate structure) on creep-rupture behavior was observed...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 161-168, October 11–14, 2016,
... Abstract INCONEL 740H has been developed by Special Metals for use in Advanced Ultra Super Critical (A-USC) coal fired boilers. Its creep strength performance is currently amongst the ‘best in class’ of nickel based alloys, to meet the challenge of operating in typical A-USC steam temperatures...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 448-459, October 21–24, 2019,
... and microstructure evolution resulting from two different heat treatment were focused and systematically studied in this work. MATERIALS AND METHODS The investigated Inconel 740H alloy was manufactured by Special Metals Corporation, having dimensions of 8.071 ID (205 mm) × 2.854 minimum wall (72.5 mm...
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,
... B INCONEL® Alloy 740 Nominal Spec. [8] 0.030 Bal. 25.0 0.50 20.0 0.9 1.8 2.0 0.30 0.70 0.50 INCONEL® Alloy 740 Production Heat 0.029 Bal. 24.4 0.50 19.9 1.0 1.8 2.0 0.26 0.45 0.53 0.0043 INCONEL® Alloy 740H, 740H Filler Metal 0.030 Bal. 24.4 0.50 19.8 1.35 1.35 1.5 0.26 1.0 0.20 0.0007 (Modified...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 149-160, October 11–14, 2016,
... Abstract Creep-fatigue lives of nickel-based Alloy 617 and Alloy 740H were investigated to evaluate their applicability to advanced ultrasupercritical (A-USC) power plants. Strain controlled push-pull creep-fatigue tests were performed using solid bar specimen under triangular and trapezoidal...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 580-591, October 21–24, 2019,
... of mechanical and microstructure characterization, weld evaluation, environmental effect studies, etc. In this work, we present results from these activities on two promising Ni-based alloys and their weldments for A-USC applications, i.e., Haynes 282 and Inconel 740H. Detailed results include microhardness...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 699-711, October 15–18, 2024,
..., solidification cracking resistance, and strain-age cracking resistance compared three common commercial nickel superalloys, Nimonic® 263, Waspaloy, and Inconel® 740H (Table 1). The MOBO scores for the commercial alloys were lower suggesting inferior combinations of strength, weldability, and cost. Waspaloy...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 41-52, October 22–25, 2013,
... need coatings in some (CC2328) environments and shot-peening for oxidation resistance [14] (only for tubing) HR6W SH/RH, Did not meet strength projections [15] (stopped research, new Pipe chemistry now available) *SH/RH: Superheater and Reheater Tubing Alloy Haynes 230 CCA617 Alloy 263 Inconel 740/740H...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 242-253, October 22–25, 2013,
... Abstract High temperature strength of a nickel-based superalloy, Alloy 740H, was investigated to evaluate its applicability to advanced ultrasupercritical (A-USC) power plants. A series of tensile, creep and fatigue tests were performed at 700°C, and the high temperature mechanical properties...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 491-503, October 22–25, 2013,
... are also stronger than traditional solid solution strengthened nickel alloys, with lower ductility, and so the expectation is that weld repair and fabrication in heavy section will be far more challenging. Alloy 263, Inconel® 740H and Haynes® 282® have been investigated as part of the European NextGen...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 230-241, October 22–25, 2013,
... Abstract Inconel alloy 740/740H (ASME Code Case 2702) is an age-hardenable nickel-based alloy designed for advanced ultrasupercritical (A-USC) steam boiler components (superheaters, reheaters, piping, etc.). In this work, creep testing, beyond 40,000 hours was conducted a series of alloy 740...