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shielding gas

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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001340
EISBN: 978-1-62708-173-3
...Properties of shielding gases used for welding Table 1 Properties of shielding gases used for welding Gas Chemical symbol Molecular weight Specific gravity (a) Density Ionization potential g/ft 3 g/L aJ (b) eV Argon Ar 39.95 1.38 0.1114 1.784 2.52 15.7 Carbon...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005597
EISBN: 978-1-62708-174-0
...Properties of shielding gases used for welding Table 1 Properties of shielding gases used for welding Gas Chemical symbol Molecular weight Specific gravity (a) Density Ionization potential g/L g/ft 3 aJ (b) eV Argon Ar 39.95 1.38 1.784 0.1114 2.52 15.7 Carbon...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001438
EISBN: 978-1-62708-173-3
... coppers using EWTh-2 electrodes, ERCu welding rod, and DCEN Workpiece thickness Root opening (a) Electrode diameter Welding rod diameter Shielding gas (b) Gas flow rate Current, A Travel speed Preheat Number of passes mm in. mm in. mm in. mm in. L/min ft 3 /h m/min in./min...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005572
EISBN: 978-1-62708-174-0
... that affect weld penetration, bead shape, arc stability, productivity, and overall weld quality. These include welding consumables, equipment settings, and gun manipulation. The major components of a GMAW installation such as a welding gun, shielding gas supply, electrode feed unit, power source...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003622
EISBN: 978-1-62708-182-5
... of properly shielded (a) and poorly shielded (b) autogenous gas tungsten arc welds in type 304 stainless steel strip. Source: Ref 8 Fig. 25 Caustic stress-corrosion cracking in the heat-affected zone of a type 316L stainless steel NaOH reactor vessel. Cracks are branching and intergranular...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001354
EISBN: 978-1-62708-173-3
.... The article also describes two consumable elements, such as electrode and shielding gas, of the GMAW process. It concludes with information on the safety aspects. arc voltage electrode electrode diameter electrode extension electrode orientation gas-metal arc welding polarity shielding gas...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001336
EISBN: 978-1-62708-173-3
... of cathode tip shape and shielding gas composition in the GTAW process. arc welding cathode tip shape electron discharge gas tungsten arc welding heat transfer nonthermionic emission shielding gas composition thermionic emission THE GAS-TUNGSTEN ARC WELDING (GTAW) process is performed using...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006502
EISBN: 978-1-62708-207-5
... distribution, absorptivity, traverse speed, laser welding efficiency, and plasma suppression and shielding gas. The article concludes with a discussion on laser cutting, laser roll welding, and hybrid laser welding. aluminum alloys laser beam welding porosity laser cutting laser roll welding hybrid...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005641
EISBN: 978-1-62708-174-0
... welding performance for stainless steel. Weld penetration diagram for 200 μm spot size. Courtesy of IPG Photonics Fig. 13 Effect of shielding gas on depth of penetration during LBW of an austenite stainless steel. Laser power 15 kW. Travel speed, 25 mm/s (60 in./min). Source: Ref 38...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005582
EISBN: 978-1-62708-174-0
... 304L/316L stainless steel Table 4 Keyhole plasma welding conditions for pipe prefabrication in type 304L/316L stainless steel Tube diam Thickness Edge preparation Welding current, A Welding speed Gas flow Filler wire feed rate (1.0 mm diam) Plasma gas, argon Shielding gas, argon...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001357
EISBN: 978-1-62708-173-3
... A  250 4.8 0.19 60 (c) 3.45 (d) 0.14 3.0 0.79 … … 20–35 5.3–9.2  300 3.45 (d) 0.14 (d) 3.5 0.92  350 3.96 (d) 0.16 (d) 4.1 1.08 (a) Argon plasma gas. (b) Argon and Ar-5H 2 shielding gas. (c) Electrode tip blunted to 1 mm (0.04 in.) diameter...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003206
EISBN: 978-1-62708-199-3
...) Amperage should be about 25% higher than when DCEN is used. (c) Unless work is mechanically or chemically cleaned in the areas to be welded Recommended shielding gas selection for GMAW Table 9 Recommended shielding gas selection for GMAW Material Thickness Transfer mode Recommended...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003206
EISBN: 978-1-62708-199-3
... Abstract Arc welding methods can be classified into shielded metal arc welding, flux-cored arc welding, submerged arc welding, gas metal arc welding, gas tungsten arc welding, plasma arc welding, plasma-metal inert gas (MIG) welding, and electroslag and electrogas welding. This article provides...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001440
EISBN: 978-1-62708-173-3
... discusses the role of filler metals and shielding gases in welding titanium and titanium alloys. It describes the equipment used for gas-tungsten arc welding and concludes with information on repair welds. alpha titanium alloys aluminum austenitic stainless steel electron-beam welding friction...