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Oxyacetylene welding

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Published: 01 January 1993
Fig. 5 Variation in the shape of the inner cone of an oxyacetylene welding flame produced by welding tips with two different bore shapes. Varying the transition taper produces cone shapes intermediate between those shown. More
Image
Published: 01 January 1993
Fig. 17 Oxyacetylene welding of aircraft landing gear support. Use of OAW reduced HAZ hardness and eliminated need for postweld tempering. Measurements shown in schematic are in inches. Welding rod  Type RG60  Diameter, mm (in.) 2.4 ( 3 32 ) Torch type Injector Tip More
Image
Published: 01 August 2013
Fig. 26 Oxyacetylene weld overlay processes. (a) Rod or wire. (b) Powder More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001437
EISBN: 978-1-62708-173-3
... Abstract Nickel alloys can be joined reliably by all types of welding processes or methods, with the exception of forge welding and oxyacetylene welding. This article discusses the heat treatment of nickel alloys and tabulates nominal compositions of selected weldable wrought nickel and nickel...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001372
EISBN: 978-1-62708-173-3
..., and are caused to flow together and solidify without the application of pressure to the parts being joined. The most important source of heat for OFW is the oxyacetylene welding (OAW) torch. The simplest and most frequently used OFW system consists of compressed gas cylinders, gas pressure regulators, hoses...
Image
Published: 01 January 1993
Fig. 8 Orientation and motion of torch relative to workpiece in one-pass forehand oxyacetylene welding. The cone of flame should be kept close to, but should never touch, the weld pool or pipe groove face. Source: Ref 5 More
Image
Published: 01 January 1993
Fig. 9 Orientation and motion of torch relative to workpiece in one-pass backhand oxyacetylene welding. The cone of flame should be kept close to, but should never touch, the weld pool or pipe groove face. Source: Ref 5 More
Image
Published: 01 January 2003
Fig. 4 Corrosion of three aluminum weldments in HNO 3 service. (a) and (b) Gas tungsten arc (GTA) and oxyacetylene welds, respectively, showing crevice corrosion on the inside surface. (c) Standard GTA weld with full penetration is resistant to crevice corrosion. More
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Published: 01 January 1993
Fig. 6 Flame conditions obtained as oxygen flow rate increases from zero to an excess of oxygen in an oxyacetylene welding torch More
Image
Published: 01 January 2006
Fig. 24 Weld groove formed from two J-grooves made by oxyacetylene gouging. Dimensions in inches Pressure of preheat oxygen 207 kPa (30 psi) Pressure of preheat acetylene 76 kPa (11 psi) Pressure of cutting oxygen at nozzle 152 kPa (22 psi) Consumption of cutting oxygen 184 More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001332
EISBN: 978-1-62708-173-3
... in Fig. 3 can be generated. Heat sources with power densities that are of the order of 1000 W/cm 2 , such as oxyacetylene flames or electro-slag welding, require interaction times of 25 s with steel, whereas laser and electron beams, at 1 MW/cm 2 , need interaction times on the order of only 25 μs...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003817
EISBN: 978-1-62708-183-2
... on the environmental cracking resistance of the cobalt alloys. Three welding processes that are used for hardfacing with the high-carbon Co-Cr-W alloys, namely, oxyacetylene, gas tungsten arc, and plasma-transferred arc are also discussed. The article examines the effects of various modes of high-temperature corrosion...
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
... materials, namely, iron-base overlays, chromium carbide-based overlays, nickel- and cobalt-base alloys, and tungsten carbide-based metal-matrix composite overlays. It discusses the types of hardfacing processes, such as arc welding processes, and laser cladded, oxyacetylene brazing and vacuum brazing...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006564
EISBN: 978-1-62708-210-5
...–20 μin.). Weldability Inert-gas arc welding or torch welding produce good results. Welding electrodes should be preferably of the same composition, although 5% silicon wire (43s alloy) may be used. In oxyacetylene welding, a neutral or slightly reducing flame gives the best speed and economy...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005577
EISBN: 978-1-62708-174-0
... interaction time, t I , then the graph shown in Fig. 5 can be generated. Heat sources with power densities that are of the order of 1000 W/cm 2 , such as oxyacetylene flames or electroslag welding, require interaction times on the order of 1 s with steel, whereas laser and electron beams, at 1 MW/cm 2...
Book Chapter

Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001377
EISBN: 978-1-62708-173-3
... arc butt welding, the surfaces to be welded are heated by a rapidly rotating arc plasma. Generally, the process is conducted in the open air, with oxygen partially occluded from the joint area by the initial contact of the faying surfaces. When employing oxyacetylene torches, a slightly reducing flame...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006579
EISBN: 978-1-62708-210-5
... or oxyacetylene torch welding produce good results. Welding electrodes should preferably be of the same composition. In oxyacetylene welding, a neutral or slightly reducing flame gives the best speed and economy as well as a clean weld of good soundness. The use of proper flux is very important. Metal-arc welding...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005567
EISBN: 978-1-62708-174-0
... surfaces. When employing oxyacetylene torches, a slightly reducing flame affords some atmospheric protection. Vacuum, inert, and reducing atmospheres have been used. Fig. 2 Recommended joint configurations used in automatic forge welding applications. Source: Ref 1 The normal welding...
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
... alloys are either iron-, nickel-, or cobalt-base. Several welding processes are used to apply the hardfacing materials. They range from the traditional (for example, oxyacetylene torch) to more recently developed processes like plasma-transferred arc. To accommodate these different overlay processes...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006301
EISBN: 978-1-62708-179-5
... to properly weld cast irons. Oxyfuel welding is widely used to repair minor defects in gray cast iron, less frequently for repair of ductile iron castings, and seldom for malleable irons. A key difference between arc and oxyfuel welding is temperature and rate of heating. An oxyacetylene flame has...