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Metal-cored wires: Your questions answered

September 8, 2014 | By Blaine Guy

When does switching to metal-cored wires make sense? Answers to the most commonly asked questions about this consumable can help you decide if it’s right for your operation.

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Welding torches feature close-to-process wire feeding

September 5, 2014

SKS Welding Systems offers the Frontpull 8 family of welding torches. They feature close-to-process wire feeding, with the drive unit directly in front of the torch neck. The torches are suitable for all standard arc welding and soldering processes, including spatter and heat-reduced welding...

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GTAW torch welds in hard-to-reach places

September 2, 2014

The CK Flex-Loc GTAW torch from CK Worldwide Inc. is suitable for welding in hard-to-reach places. It uses a 360-degree rotating head that locks in any position, allowing the user to position the head at any angle. Interchangeable heads allow simplified changeout of different head and tungsten...

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Consumables Corner: Advancements in SAW

August 29, 2014 | By Michael Ostaffe

Q: What role does flux and wire play in submerged arc welding? A: It is important to choose the right flux and wire combination for submerged arc welding (SAW) processes. This will allow you to gain efficiency while meeting your performance requirements. Basic submerged arc welding uses a single...

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Consumables Corner: Eliminating porosity on galvanized steel

August 28, 2014 | By Nino Mascalco, Rob Koltz, Steve Sigler

Q: Our company manufactures storage rack systems made from mild steel and galvanized tubing. A majority of our parts are fixture-welded on a robot using 0.045-in.-diameter ER70S-6 wire with 90 percent argon/10 percent CO2 shielding gas. We have experienced problems with weld appearance quality and...

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Consumables Corner: Changing over to metal-cored wire in SAW

August 27, 2014 | By Michael Ostaffe

Q: One of my vendors recently approached me about replacing the solid wire in my submerged arc welding (SAW) application with a metal-cored wire. Should I consider making the change? A: Depending on your application, you should certainly consider making the change. Metal-cored wires can provide...

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Consumables Corner: Lowering weld hardness in SAW

August 26, 2014 | By Michael Ostaffe

Q: We manufacturer dual submerged arc welded (DSAW) pipe for API use. Some jobs require that the weld hardness be below 250 Vickers. We are having trouble meeting that requirement. What can we do? A: Weld hardness restrictions generally are found in pipelines designated for sour service and are...

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Consumables Corner: Choosing a filler metal supplier with critical welds in mind

August 25, 2014 | By Michael Ostaffe

Q: What should we look for when choosing a filler metal supplier for critical welds, such as those in the power generation industry? A: For critical applications, you need to find a supplier with a long track record in understanding the needs, developing products, and creating solutions for that...

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Consumables Corner: Selecting filler metal for robotic welding

August 22, 2014 | By Chris Depew

Q: We are just getting started in robotic welding. What advice can you give us on how to select the correct filler metal? A: As in any high-productivity application, the main consideration in selecting a filler metal for robotic welding is performance consistency. You want a wire that will...

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Consumables Corner: Storing stick electrodes

August 21, 2014 | By Jay Ginder, Jerry Mathison

Q: I recently saw a comment that regular stick electrodes could be overdried in ovens to the point of causing poor weld performance. Is this true? We store all our electrodes, including low-hydrogen, at 135 to 140 degrees F at all times and have not noticed any problems. We are located in Arizona,...

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Semiautomatic GMAW gun, consumable catalog released

August 14, 2014

Bernard has released a new full-color catalog to assist in determining the right semiautomatic GMAW guns and consumables for an application. The catalog includes comparative charts and reference tables. To order a copy of the catalog, please use the online request form at...

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Collet’s angled cut allows firm hold on tungsten

August 5, 2014

CK Worldwide Inc. offers the Wedge Collet as an alternative to standard collets. According to the company, the collet has a precision angled cut that gives it a wedge action for a firm hold on the tungsten. The tungsten is in direct contact with the collet body, creating less resistance heating....

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Multiflame tip provides even heat distribution for brazing copper tubes

August 5, 2014

Uniweld’s patented MTF-5 Cap’n Hook® multiflame tip is designed to provide even heat distribution for brazing copper tubes in the HVAC and refrigeration industry. The tip offers concentrated heat (up to 5,600 degrees F). The 40-degree flame angle flows onto copper tubing and away from...

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SMAW electrode resists moisture in humid conditions

July 30, 2014

Lincoln Electric has introduced Millennium Arc™ 7018, a new mild-steel, low-hydrogen SMAW electrode that resists moisture in humid conditions. According to the company, the electrode offers 50 percent less moisture pickup than competing SMAW consumables. The electrode is designed for such...

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Arcos names general manager

July 24, 2014

Mount Carmel, Pa.-based Arcos Industries LLC, a manufacturer of stainless steel and high-nickel alloy bare wire and covered welding electrodes, has appointed Harry Wehr to the position of general manager. He has held numerous positions within the company during his 35-year tenure, serving most...

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