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Articles - Page 249
- From The Welder
Consumables Corner: Nixing porosity during weld start
- By Jay Ginder and Jerry Mathison
- Jul 3, 2014
- Consumables
- Article
Q: I work for a job shop that fabricates and welds process piping for various applications. The pipes, made from A106-88a carbon steel and 304 and 316 stainless steel, are welded using GMAW, FCAW, and GTAW. We have been experiencing porosity, primarily on the weld starts. Our shielding gas is a...
- From The Welder
Consumables Corner: Welding heat treatable steels
- By Jay Ginder and Jerry Mathison
- Jul 2, 2014
- Consumables
- Article
Q: Our shop won a contract that requires welding 4130 steel. I’ve been told this is a heat-treatable steel. Can you tell me which different welding procedures have to be used to weld this material? A: The most commonly welded heat-treatable steels are 4130, 4340, and 8630. However, any steel...
- From The Welder
Consumables Corner: Horizontal fillet test troubles
- By Jay Ginder and Jerry Mathison
- Jul 1, 2014
- Consumables
- Article
Q: For a recently acquired large structural job, we have had to qualify a single-pass 5/16-in. fillet using 0.045-in. E71T-9M flux-cored wire. We are having trouble passing the horizontal fillet test. When performing the weld break test on the horizontal fillet weld, there is incomplete penetration...
Tube producer opens doors to new markets, controls costs with laser welding
- By Eric Lundin
- Jun 30, 2014
- Tube and Pipe Production
- Article
A niche tube producer that formerly used GTAW exclusively, Esta Rohr began changing over to laser welding in 2005. The change is now complete, with substantial changes. The company has reduced its number tube production lines from five to three, but its output has increased tremendously. Meanwhile, laser welding has allowed it to cut some costs, helping its products compete against others.
- From The Fabricator
Cutting clean with 1-micron laser optics
- By Tim Heston
- Jun 30, 2014
- Laser Cutting
- Article
The high-brightness 1-micron cutting laser is redefining productivity in metal fabrication. The laser’s good absorption helps it cut faster with less power. It also means that keeping optics clean and dust-free is essential.
- From The Fabricator
From looms to thermal spray to laser cladding
- By Tim Heston
- Jun 30, 2014
- Finishing
- Article
Hayden Corp. has persevered over a century of change. It began as a supplier of wire cloth sold to the papermaking industry. Now it makes use of some of the most advanced surfacing technologies available.
- From The Fabricator
FAB 40: Springs Fabrication and the ice house
- By Tim Heston
- Jun 27, 2014
- Shop Management
- Article
Springs Fabrication has humble beginnings, stereotypical of many successful American businesses. As it turns out, there's a reason that's a stereotype.
- From The Welder
Consumables Corner: Welding weathering-grade material with a nickel-containing filler
- By Jay Ginder and Jerry Mathison
- Jun 27, 2014
- Consumables
- Article
Q: I work for a structural steel fabricator and we are getting ready to start work on a bridge job that specifies A588 material. We have worked on this material in the past using a weathering-grade filler metal. Our engineer has recommended we use a 1 percent nickel electrode. Is this right? A:...
- From The Fabricator
Selecting a hydraulic hot-stamping press
- By Andrew Kirk and Jeremy Neil
- Jun 27, 2014
- Bending and Forming
- Article
What makes a hydraulic press equipped for hot stamping? Access for auxiliaries and process equipment, a rapid deceleration rate, correct tonnage, and off-center load handling are all considerations.
- From The Fabricator
FAB 40: Thinking as owners at D&S Manufacturing
- By Tim Heston
- Jun 27, 2014
- Shop Management
- Article
At D&S Manufacturing, the books are open, employees know how to read them, and they use this information when dreaming up new ways to improve.
- From The Fabricator
Fab 40: Impulse Manufacturing tackles downtime with data
- By Tim Heston
- Jun 27, 2014
- Shop Management
- Article
You can't improve something you don't measure. Impulse Manufacturing wants to cut down the time between jobs—specifically, between the last good part of the previous job to the first good part of the next job.
- From The Welder
Consumables Corner: Issues with incomplete fusion
- By Jay Ginder and Jerry Mathison
- Jun 27, 2014
- Consumables
- Article
Q: Recently our shop started using metal-cored wire. On one side we perform full-penetration welds to D1.1 structural code on 3/4- to 1-1/2-in.-thick plate. On the second side we carbon-arc-gouge to clean the metal and then we do a magnetic particle inspection before welding. We encounter two...
- From The Welder
Consumables Corner: Figuring out FCAW Charpy V-notch failure
- By Jay Ginder and Jerry Mathison
- Jun 26, 2014
- Consumables
- Article
Q: We performed an AWS D1.1 procedure qualification test using gas-shielded FCAW. We used a 0.052-in. E71T-9C electrode with 100 percent CO2 shielding at 200 amps and 26 V on 1-in. thick plate. We used a preheat and interpass temperature of 70 degrees F. Our pass layer sequence was three full...
- From The Welder
Consumables Corner: Simple steps to avoid cracking
- By Nino Mascalco
- Jun 25, 2014
- Consumables
- Article
Q: When welding a thick section of a forged 4130 ring to a thinner A36 plate in a T-joint configuration, we experience longitudinal cracking issues that originate from the ends of the welds. The required fillet size is ½ inch. It is skip-welded 12 in. on 18-in. center-to-center spacing. The...
- From The Welder
Consumables Corner: Before choosing filler, know your 4140
- By Nino Mascalco
- Jun 24, 2014
- Consumables
- Article
Q: We need to weld 4140 steel to AR 360 plate and are thinking of using an E120 electrode to try and match the strength. Is this the right electrode for our welding application? A: Before you choose a filler metal, there are a few things you should consider for this application. First, 4140...
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The Fabricator is North America's leading magazine for the metal forming and fabricating industry. The magazine delivers the news, technical articles, and case histories that enable fabricators to do their jobs more efficiently. The Fabricator has served the industry since 1970.
start your free subscription- 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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