Content tagged with "fcaw"
Results: 13
Article
June 17, 2008
The lowdown on low-alloy filler metals
Chrome-moly pipe has become a standard in industries such as power generation, chemical processing, and petroleum refinement, not only for its corrosion resistance and high-temperature strength, but also for its cost-effectiveness. In many applications, it is a viable alternative to a more... Read more...
Article
January 15, 2008
Vertical SMAW: It's a stick up
Figure 1 SMAW, or stick welding, requires a certain mastery of skills, and vertical and overhead stick welding is that much more difficult-one of the reasons the specialty is in such great demand. Vertical and overhead stick welding have never been in such high demand. Heavy construction... Read more...
Article
August 8, 2007
8 FAQs about orbital FCAW
Mechanized, or orbital, gas tungsten arc welding (GTAW) of pipe was first introduced about 40 years ago, largely in response to the need for high-quality welds, repeatability, and zero defects for the large number of nuclear power generator plants being constructed at that time. Weld-out time... Read more...
Article
August 8, 2007
Ensure good feeding with FCAW electrodes
The FCAW process in the United States is currently estimated at more than 245 million pounds a year and still growing in popularity and use in all segments of the welding industry. One of the common issues often portrayed as a wire problem, commonly referred to as "birdnesting," is actually due... Read more...
Article
January 9, 2007
7 effects of shielding gas
Although you probably know that shielding gas is essential in most welding procedure specifications, you may pay little attention when you're selecting it. A simple gas composition change can offer potential savings in seven key areas, particularly in gas metal arc welding (GMAW).... Read more...
Article
September 12, 2006
Bridging the challenges
Made from API 5L grades X52 to X60 pipe, the Tempe Town Lake Bridge was fabricated in segments and assembled on-site. In an Arizona match-up between concrete and steel, metal edged out the competition. This contest started in July 2003 when a design team began discussing the Tempe... Read more...
Article
May 9, 2006
Hitting pay dirt -- in pipe
72-in.-dia., 1-in.-wall pipe is being welded using preheating coils on each side of the weld. A torch bracket reaches over the coils. Oil refineries aren't the only ones hitting pay dirt in Canada. Northern Alberta is the land of opportunity for welders and pipe fitters these days.... Read more...
Article
May 9, 2006
Metal fabricating in a new millennium
"What I wanted to do in Millennium Park is make something that would engage the Chicago skyline ... so that one will see the clouds kind of floating in, with those very tall buildings reflected in the work. And then, since it is in the form of a gate, the participant, the viewer, will... Read more...
Article
October 11, 2005
Don't let your health go up in smoke
Increasing knowledge about the health hazards associated with breathing welding fumes and gases above certain concentrations and the serious illnesses that can result emphasizes the need to educate, train, and provide welders with appropriate protection. Welding fumes are very fine,... Read more...
Article
May 10, 2005
Considering change
But every family has secrets, and blind trust in an old FCAW procedure can weaken your competitiveness, especially if your company is maintaining the same productivity level from years ago.
It's possible to improve productivity and quality while lowering installed costs (the... Read more...
Article
April 11, 2005
Incorporating beveling economically
It's first important to know why and how beveling is used, and the key is realizing that joint design is process-dependent. In other words, you can't use a certain joint configuration from a book for just any process. Changing your welding process will affect the impact beveling has on... Read more...
Article
January 11, 2005
Simplifying shielding gas selection
Have you ever asked yourself any of the following questions:
Why is welding affected by the shielding gases used?
Why are so many blends available for carbon steel?
Why can I use some gases for some materials and not others?
Answering these questions will help... Read more...
Article
September 26, 2002
FCAW pretty much can do it all
Any welder who has been in the trade very long has a lot of interesting tales to tell, and I've got quite a few myself.
I started out in an oil and agriculture equipment repair shop. We repaired and rebuilt bulldozers, road graders, dirt movers, and the like. I was the maintenance-repair... Read more...
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