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Practical Welding Today May/June 2010
The Welder, formerly known as Practical Welding Today, is a showcase of the real people who make the products we use and work with every day. This magazine has served the welding community in North America well for more than 20 years.
Aluminum Workshop: Guidelines for preheating T6
- By Frank Armao
- Dec 1, 2014
- Aluminum Welding
- Article
Q: We are welding 6061-T6 that is ¼ in. to 1 in. thick. To weld the thicker materials we are preheating to 300 to 600 degrees F. We are not happy with the strength of the welds. Is there something we can do, such as heat treating after welding, to increase the strength of the weld? A: You can...
Arc Welding 101: Addressing linear porosity
- By Paul Cameron
- Sep 29, 2014
- Arc Welding
- Article
Q: We are experiencing linear porosity at the furthest point of penetration when welding heavy plate. The porosity is 0.3 mm dia., but it occurs regularly in every weld we’ve sectioned so far. We are using a semiautomatic spray transfer process with a 0.045-in. ER70S-6 electrode, and a shielding...
Consumables Corner: Examining weld cracking, Part II—Stress, hydrogen cracking
- By Jay Ginder and Jerry Mathison
- Jul 16, 2014
- Consumables
- Article
Editor’s Note: This is the second column in a two-part series. Q: I work in a midsized job shop, and we weld with the FCAW, GMAW, and SMAW processes. Occasionally we encounter weld cracking issues. What causes weld cracking, and what can I do to prevent it? A: Stress cracking is similar to hot...
Fast tracking with W44 beams
- By Michael F. Engestrom
- Jun 11, 2010
- Assembly and Joining
- Article
A truss railroad bridge that was destroyed in a massive flood was replaced within a year thanks to a fast-tracked rebuild effort that featured W44 beams.
Prioritzing U.S. infrastructure needs
- By Amanda Carlson
- Jun 11, 2010
- Arc Welding
- Article
Author and co-founder of New America Foundation gives his insights regarding the U.S.'s crumbling infrastructure and provides tangible ways the federal government can address the situation.
Wire welding in the structural steel world
- By Amanda Carlson
- Jun 1, 2010
- Arc Welding
- Article
Many structural steel fabricators are loyal to shielded metal arc welding (SMAW). But technology advancements in the wire feed process known as flux-cored arc welding (FCAW), paired with an increasingly competitive market, have changed the landscape of structural steel environments, and by extension the opinions of the most loyal SMAW users.
High-frequency electric resistance welding: An overview
- By Jeff Pierson and Mike DiDonato
- Jun 1, 2010
- Arc Welding
- Article
Architects and engineers are designing structures with new and innovative shapes. To meet these ever-changing requirements, manufacturers may turn to solid-state, high-frequency electric resistance welding (HF ERW) to produce engineered structural sections at high speeds with unlimited beam profiles, better structural performance, and with lighter weights.
We've come a long way, baby
- By Bill Bonow
- May 5, 2010
- Arc Welding
- Article
The orbital welding process has seen significant advancements in electronic control technology that have helped open the door to a wider array of applications while making it more cost effective to use.
Teaming up to clean up
- By Amanda Carlson
- May 4, 2010
- Arc Welding
- Article
Like many companies, Ultra Machine and Fabrication Inc., Shelby, N.C., a fabricator of armored military vehicles, believed the welders should clean up their own weldments for spatter, slag, and other discontinuities. But when welders were spending less and less time under the hood, Ultra re-evaluated this philosophy and, as a result, implemented a separate postweld cleaning team.
Examining the X-factor
- By Keith Packard
- May 4, 2010
- Consumables
- Article
The X-factor, also known as the Bruscato factor, is an important equation for anyone welding with chrome-moly steel. The equation will help you test your filler metals for levels of phosphorus, antimony, tin, and arsenic that could make a weldment susceptible to temper embrittlement.
- Podcasting
- Podcast:
- The Fabricator Podcast
- Published:
- 04/16/2024
- Running Time:
- 63:29
In this episode of The Fabricator Podcast, Caleb Chamberlain, co-founder and CEO of OSH Cut, discusses his company’s...
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