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precautions in welding

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Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005555
EISBN: 978-1-62708-174-0
... to ensure the quality of stud arc-welded fasteners. It concludes with information on safety precautions to be followed in the welding process. bolting drilling inspection STUD ARC WELDING (SW), also known as arc stud welding, is a commonly used method for joining a metal stud, or fastener...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005590
EISBN: 978-1-62708-174-0
..., and applications of the process. It describes the equipment used for GTAW, namely, power supplies, torch construction and electrodes, shielding gases, and filler metals as well as the GTAW welding procedures. The article concludes with a review of the safety precautions to avoid possible hazards during the GTAW...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003116
EISBN: 978-1-62708-199-3
..., hardening, and stress relieving. Stainless steels are commonly joined by welding, brazing, and soldering. The article lists the procedures and precautions that should be instituted during welding to ensure optimum corrosion resistance and mechanical properties in the completed assembly. forging...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005594
EISBN: 978-1-62708-174-0
... of electrodes in RSW and effect of surface condition on the technique. The article concludes with information on the safety precautions to be followed during the welding process. power sources resistance spot welding safety precautions surface condition welding electrodes RESISTANCE SPOT WELDING...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001085
EISBN: 978-1-62708-162-7
... Abstract Uranium is a moderately strong and ductile metal that can be cast, formed, and welded by a variety of standard methods. This article presents an overview of the processing and properties of uranium and uranium alloys with a brief overview of the principal hazards and precautions...
Image
Published: 31 October 2011
Fig. 17 CAUTION with thoriated electrodes. Statement of appropriate safety precautions when using thoriated electrodes, developed by the International Institute of Welding Commission VIII on Health and Safety. Source: Ref 7 More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005635
EISBN: 978-1-62708-174-0
... of not using them (see the section “Welding in Confined Spaces” in this article). Moreover, employees should be trained to question their supervisors before initiating any type of welding or cutting operation if they believe that the safety precautions for a given task are inadequate or misunderstood...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001487
EISBN: 978-1-62708-173-3
... minutes duration in the event that the main source fails. For further precautions, see ANSI Z117.1, Safety Requirements for Working in Tanks and Other Confined Spaces (latest edition). Welding of Containers Welding or cutting on the outside or inside of containers or vessels that have held...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001077
EISBN: 978-1-62708-162-7
... welding pulsation technique can be used. Recommended Casting Temperature Range 395 to 425 °C (740 to 800 °F) Precautions in Melting Stir well after melt-down and allow a 15-min holding period. Skim surface dross. Avoid high melt temperatures to prevent magnesium loss. Precautions...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001368
EISBN: 978-1-62708-173-3
... Abstract High-frequency (HF) welding is a welding process in which the heat source used to melt the joining surfaces is obtained from HF alternating current (ac) resistance heating. This article discusses the advantages and disadvantages and applications of HF welding. It describes...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001404
EISBN: 978-1-62708-173-3
... be adequate for a noncritical application. However, this same steel may not be recommended for a critical application, or special precautions, such as preheat, may be required when welding. Fabrication weldability deals primarily with discontinuities such as hydrogen-assisted cold cracks, hot cracks, reheat...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005644
EISBN: 978-1-62708-174-0
... but not best selection or weldable with precautions; C, possibly usable but not popular or restricted use or difficult to weld; No, not recommended or not weldable. Source: Ref 1 Weldability of cast irons Table 2 Weldability of cast irons Weld processes (a) Procedure Remarks Gray cast...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001428
EISBN: 978-1-62708-173-3
...) ENiCrMo-3 (WE 112) ERNiCrMo-3 (FM 625) (WE 113) ERNiCrMo-3 (FM 625) ENi-1 (We 141) ERNi-1 (FM 61) ENi-1 (WE 141) ERNi-1 (FM 61) (a) Precaution is required to minimize copper dilution in the weld, because of the high chromium level of alloy 690. “Buttering” the copper or copper-nickel side...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005595
EISBN: 978-1-62708-174-0
... proximity to the welding area when the machine is discharged. This precaution is necessary to avoid injury from accidental flying of stray objects and from exposure to magnetic fields. The capacitor banks should always be kept shorted to ground when not in use. Interlocking between system covers...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001455
EISBN: 978-1-62708-173-3
...), flux removal techniques, and postbraze heat treatment processes. It concludes with information on the safety precautions to be followed during the brazing process. aluminum alloys brazing chloride-active fluxes dip brazing fluoride-active fluxes flux removal techniques fluxless vacuum...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001425
EISBN: 978-1-62708-173-3
..., niobium (also forms γ″), and a supersaturating amount of carbon. These materials are primarily used as centrifugally cast tubes. They enjoy reasonably good weldability in the as-cast condition, but usually require special precautions for welding after they have been in service. A final group...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001360
EISBN: 978-1-62708-173-3
... Abstract Stud arc welding (SW), also known as arc stud welding, is a commonly used method for joining a metal stud, or fastener, to a metal workpiece. This article serves as a basic information source for those interested in accomplishing one-sided, no-hole attachment of metal fasteners...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001430
EISBN: 978-1-62708-173-3
.... Like zirconium, tantalum is also readily welded by the processes and procedures used for titanium. The joining of tantalum-clad plate requires special procedures and precautions and is beyond the scope of this article. References References 1. Uhlig H.H. and Asphahani A.I...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005583
EISBN: 978-1-62708-174-0
..., and local safety regulations and industry standards. Because high-frequency welding power urces are electrical devices, they require all the usual precautions in handling and repairing such equipment. Voltages, which range from 400 to 30,000 V, can be either low or high frequency and may be lethal...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001376
EISBN: 978-1-62708-173-3
... Abstract Explosion welding (EXW) is a solid-state metal-joining process that uses explosive force to create an electron-sharing metallurgical bond between two metal components. This article discusses the process attributes of EXW, including metallurgical attributes, metal combinations, size...