Arc Welding Articles

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Why welders need advanced training

July 10, 2007 | By Professor R. Carlisle "Carl" Smith

Becoming a skilled welder involves both hands-on and technical training from secondary and postsecondary instruction. Who should teach what and when to ensure that today's welders have the necessary skills? Longtime welder and welding professor Carl Smith shares his views.

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Planning a career in welding: A young person's guide

July 10, 2007 | By Elia Levi

Welding can be a rewarding career. To be successful and satisfied in welding or any career requires planning, preparation, and pursuing a job you love. This article provides an overview of welding as a career, describes different opportunities, and lists resources that can help you to become a welder.

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Welding ASTM A514 or A514M-05 steel?

June 12, 2007 | By Dean C. Phillips

As manufacturers strive for lower costs and greater efficiencies, they tend to substitute high-strength materials for standard materials. One such high-strength material is ASTM A514/514M-05. Although it is not difficult to weld, joining it successfully requires paying close attention to the preheat temperature, interpass temperature, and filler metal.

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Welding shop economics

May 22, 2007 | By Phil Evans

The prices of materials consumed in your welding shop aren't the only materials-related economic considerations. How you use those materials affects the bottom line. Monitoring compressed-gas usage and looking for areas of waste can improve your shop's financial picture. This article offers practical suggestions for reducing waste.

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Arc Welding 101: Paint tank troubles

May 8, 2007 | By Paul Cameron

Q: I am building a 400-gallon paint tank and I'm having trouble with leaks when using gas metal arc welding (GMAW). I'm using a welding machine running on 440. My best results come when running hot 19.5 on the heat and about 21/2 on wire speed. I am using a trimix gas and 0.035-inch 308 wire. The...

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Blasting the bottleneck blues

May 8, 2007

A mechanical contractor that fabricates carbon steel water pipe addressed its need for welders, as well as a bottleneck situation originating at its welding station, by converting from shielded metal arc welding (SMAW) to gas metal arc welding (GMAW).

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Understanding metal-cored wire

May 8, 2007 | By Steve Barhorst

Metal-cored wire isn't suitable for all welding, but used in appropriate applications, the wire can help improve quality and reduce rework. Some industries best-suited to using metal-cored wire are automotive exhaust and chassis manufacturing, agricultural and heavy equipment manufacturing, and railcar fabrication. This article discusses the wire's properties and how to determine if it is suitable for your operation.

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Neckpiece in silver and black pearls

Turning passion into profit

April 10, 2007 | By Vicki Bell

Recent SCAD graduate David Creamer creates beautiful, unique jewelry, including pieces inspired by objects many might find anything but inspirational. This article discusses Creamer's views on materials and describes the process he used to create a provocative bracelet that represents societal elements.

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Tig welder steel

Welding austenitic stainless steel

April 10, 2007 | By Mike Sammons

Joining austenitic stainless steel with GTAW can be tricky, but with a little preparation and care, it can be done successfully. The three main factors are having the right amount of heat input, travel speed, and a shielding gas.

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A recycled dream

April 10, 2007 | By Amanda Carlson

A Tennessee artist and welder uses scrap metal parts to create one-of-a-kind metal sculptures.

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Joining incompatible materials

April 10, 2007 | By Elia Levi

Certain metal combinations cannot be joined successfully with fusion welding. Deciding how to join them requires examining options, including potential material substitutions and process possibilities. This article discusses these options and offers a blueprint for the best solution.

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Brazing diagram

Brazing copper and copper alloys

March 13, 2007 | By Myron T. Havis

It is important to be able to identify when brazing is suitable for joining copper or copper alloys, how it is applied, and which filler metals to use.

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Rotary bevel head

Up with energy prices and wind towers

March 13, 2007 | By Sue DiBianca

With the recent increases in gasoline and natural gas prices, more attention than ever is focused on alternative energy sources. One fabricator, Aerisyn LLC, investigated manufacturing towers for use in the wind power industry. To produce towers efficiently enough to compete against imports from Asia, Aerisyn relied on an equipment vendor that had experience in demanding fields such as aerospace, nuclear, and wind power.

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Arc Welding 101: Preheating a shaft-sprocket assembly

February 13, 2007 | By Paul Cameron

Q: We are welding 1018 cold-rolled, 2.5-inch-diameter shaft to a sprocket made from 1045 steel. We preheat the shafts to about 200 to 250 degrees. We are having some failure of the shaft, and I'm wondering what the proper procedure is for welding the assembly together. The sprockets are welded...

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Ward pressure vessels

Pressure to perform

February 13, 2007

A fabricator of large pressure vessels implements a welding power source to help it meet growing customer demand and ensure stringent quality standards without expanding its work force.

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