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Improving deposition rates with submerged arc welding

March 26, 2015

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Understanding the submerged arc welding process, and the overall equipment needs, and selecting the proper wire and flux combination for the application can help an operation realize its full potential.

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Fabricating for the win

March 26, 2015

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What does it take to make it in this ultracompetitive world where your work is heavily scrutinized, your time is not your own, and all the while you have a driver’s life in your hands? It requires incredible skill, yes, but there are other qualities you must possess and things you must accomplish. To be successful at one of racing’s top teams requires more than just welding ability. It requires an unparalleled dedication to the sport and to your craft. With that dedication, however, sometimes comes sacrifice.

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WorldAutoSteel Guidelines for AHSS shed light on lightweighting

March 25, 2015

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Advanced high-strength steels are made differently in the steel mill, and they need to be processed differently in part manufacturing. WorldAutoSteel released forming and welding guidelines intended to help the users of these products work through the differences.

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Gauging welding’s success

March 25, 2015

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In recent years Ashcroft’s Connecticut plant has changed significantly. It’s an operation transitioning from batch-style production to lean part flow, and a new, flexible welding cell has helped the manufacturer prepare for future improvements.

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How clean is the air in your manufacturing facility?

March 24, 2015

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Metalworking facilities have to meet basic federal requirements for indoor air quality, but some companies may choose to go beyond that to create a work environment that encourages employee engagement and higher productivity.

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Stainless Steel Workshop: Weldability of ferritic stainless steels

March 23, 2015

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Q: What filler wires are best-suited for welding ferritic stainless steel? A: Automotive exhaust systemand component manufacturers such as ArvinMeritor, Benteler, Faurecia, and Delphi have welded ferritic stainless steel for years. Their choice of filler metal, either a 409 or a 439, provided a...

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Stainless Steel Workshop: Stainless steel production certification

March 23, 2015

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There continues to be confusion in the marketplace about the conformance standard fr the various classifications of stainless steel products. The American Welding Society establishes guidelines to which manufacturers must conform depending on the specification. However, within the specification,...

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Stainless Steel Workshop: Ferritic stainless steels

March 20, 2015

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Q: What are the advantages of ferritic stainless steels? A: When a fabrication requires corrosion resistance and high performance, your foremost concern is its affordability. One metal that can meet this demand is ferritic stainless steel. Grades include AISI type 409, 11CfCb, 430, 436, 439, and...

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Stainless Steel Workshop: Controlling Corrosion

March 20, 2015

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Q: How do I control corrosion in stainless steel? A: Corrosion in stainless steel is one of the most troublesome technical concerns for fabricators. Whether localized or widespread, corrosion takes many forms, depending on the particular service environment. Some common types are general...

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Supporting professional development in sheet metal forming

March 19, 2015

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Today’s sheet metal formers must continually learn new skills to keep up with new materials, product specifications, and forming technologies. How do you attract and train a workforce that is sustainable in these ever-changing times?

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Metallurgy Matters: From one extreme to the other

March 19, 2015

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In terms of temperatures, the heat-affected zone (HAZ) has it all—from near liquidus to near ambient and everything in between—a fact that makes the HAZ a tricky piece of real estate to understand the predict. Why? Remember, a number of metallurgical changes can take place in hot metal, and...

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Metallurgy Matters: Unlike oil and water, gas and metal can really mix it up

March 17, 2015

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Gas-metal reactions take place every time you weld. They happen quickly, especially at temperatures above 3,000 degrees F, and can cause serious problems. Of course, not all gas-metal reactions are bad; some are designed in, while others simply take place with no ill effects. But some prove quite...

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Aluminum Workshop: Matching filler alloys with A356

March 16, 2015

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Q: I need to do a lot of welding on A356 aluminum castings. Can you tell me which filler alloy I should use? A: Alloy 356 and its variants (A356, B356, C356) is an aluminum-silicon-magnesium (AISiMg) alloy containing about 7 percent silicon and 0.35 percent magnesium. It is heat-treatable in the...

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Consumables Corner: The right filler metal to weld duplex stainless steel

March 16, 2015

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Q: We manufacture stainless steel tanks used in various industries and we aren’t always informed of service conditions and chemical exposures. We would like to reduce or minimize the number of filler metals we use to cut down on costs and prevent accidental use of the wrong filler metal. The...

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Arc Welding 101: How to inspect a coated weldment

March 16, 2015

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Q: How can I inspect/verify welds on painted product without being destructive? Eric D. A: Coatings come in many varieties on fabricated products. Galvanizing, painting, and even oxidizing a weathering steel will have a negative impact on the weld inspection process. For visual inspection, which...

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