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hardfacing

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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006391
EISBN: 978-1-62708-192-4
... Abstract Hardfacing refers to the deposition of a specially selected material onto a component in order to reduce wear in service as a preventative measure or return a worn component to its original dimensions as a repair procedure. This article provides information on various hardfacing...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006079
EISBN: 978-1-62708-175-7
... Abstract Metals and alloy powders are used in welding, hardfacing, brazing, and soldering applications, which include hardface coatings, the manufacturing of welding stick electrodes and flux-cored wires, and additives in brazing pastes or creams. This article reviews these applications...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003162
EISBN: 978-1-62708-199-3
... Abstract Hardfacing is defined as the application of a wear-resistant material, in depth, to the vulnerable surfaces of a component by a weld overlay or thermal spray process Hardfacing materials include a wide variety of alloys, carbides, and combinations of these materials. Iron-base...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001442
EISBN: 978-1-62708-173-3
... Abstract Hardfacing is a form of surfacing that is applied for the purpose of reducing wear, abrasion, impact, erosion, galling, or cavitation. This article describes the deposition of hardfacing alloys by oxyfuel welding, various arc welding methods, laser welding, and thermal spray processes...
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Published: 01 December 1998
Fig. 1 Comparison of nonferrous hardfacing alloys to tool steel and carbon steel reference materials using ASTM G 65 low-stress, abrasion test. G 65 test parameters: procedure B; room temperature; 13.6 kg (30 lbf) load; quartz grain sand diameter of 212 to 300 μm; 2000 rev at 200 rev/min; 390 More
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Published: 01 January 1993
Fig. 4 Comparison of nonferrous hardfacing alloys to tool steel and carbon steel reference materials using ASTM G 65 low-stress abrasion test. G 65 test parameters: procedure B; room temperature; 13.6 kg (30 lbf) load; quartz grain sand diameter of 212 to 300 μm; 2000 rev at 200 rev/min; 390 g More
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Published: 01 January 1993
Fig. 9 Effect of welding process on the microstructure of an ERCoCr-A hardfacing alloy. (a) Oxyfuel gas welding. (b) Plasma transferred arc welding. (c) Gas-tungsten arc welding. (d) Flux-cored open arc welding. (e) Submerged arc welding. (f) Shielded metal arc welding. Source: Ref 1 More
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Published: 01 January 1993
Fig. 10 Schematic of the plasma transferred arc hardfacing process. Source: Ref 1 More
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Published: 01 January 1993
Fig. 11 Schematic of the laser hardfacing process using dynamic powder feed. Courtesy of Quantum Laser Corporation More
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Published: 31 December 2017
Fig. 1 Micrograph of a complex iron alloy hardfacing, showing the distribution of precipitate phase. Original magnification: 100× More
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Published: 31 December 2017
Fig. 4 Micrograph showing the structure of a Stellite 6 cobalt-base hardfacing. Original magnification: 200× More
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Published: 31 December 2017
Fig. 14 High dilution of hardfacing overlay More
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Published: 31 December 2017
Fig. 17 Results of relative abrasion resistance of a range of hardfacing overlays (ASTM G65 dry sand abrasion testing) More
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Published: 31 December 2017
Fig. 16 Galling test data for cobalt-base wrought alloys and hardfacing alloys. (a) Comparison of galling test data for cobalt-base wrought alloys with other selected alloys. Pin-on-block test parameters: test temperature, 20 °C (70 °F); number of strokes, 10 strokes through 120° arc; load More
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Published: 30 September 2015
Fig. 1 Powder size ranges for different hardfacing processes More
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Published: 30 September 2015
Fig. 2 Performance of hardfacing powders with different alloying compositions. HSS, high-strength steel; SS, stainless steel More
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Published: 01 January 2003
Fig. 4 Hardfaced stainless steel plug and seat, from a slurry flow control valve, that were eroded by high-velocity flow through the narrow orifice created during throttling More
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Published: 31 December 2017
Fig. 18 Summary of threshold galling stress (TGS) values for various iron- and nickel-base hardfacing alloys and the cobalt-base hardfacing alloy Stellite 6. With the exception of the Nucalloy 453/Nucalloy 488 couples, all hardfacings were tested in the self-mated condition. Stellite 6 More
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Published: 31 December 2017
Fig. 24 Wear of carburized alloy steel castings and of carbon steel castings hardfaced with iron-base hardfacing alloys. See text for details. More
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Published: 01 January 1993
Fig. 3 Microstructures of tungsten carbide composites with carbides of different sizes in the hardfacing material. (a) 60% tungsten carbide, 20 to 30 mesh particles. (b) 61% tungsten carbide, 100 to 250 mesh particles. Hardfacing process applied is one-layer shielded metal arc deposit. 120 More