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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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Metallurgy Matters: Solidification—It’s more than meets the eye

March 16, 2015

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There’s a lot going on as your weld puddle solidifies. Grains are trying to grow in a variety of directions, and the entire process can get quite competitive, because some grains grow faster and block the growth of others. Which grains grow faster depends on their orientation at the point where...

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Troubleshooting CNC plasma cutting: Part I

March 13, 2015

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Hole quality is one of the most frequently discussed topics in regards to CNC plasma cutting. Regardless of what type of machine you use, there are a few tips and tricks you can employ to achieve your desired hole cut quality.

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5 ways to get the most out of your servo press

March 13, 2015

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To make the best use of servo technology, you must have the best practices, best people in place with ongoing training and support. The first step in getting more out of the servo press is understanding your current processes and their pain points; know your press's capabilities; and understand the critical tolerances for the part--and how servo presses can help overcome limitations.

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Electric bender cuts lead times, scrap rate

March 12, 2015

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Former toolmaker Toolspec Manufacturing Co. has transitioned over the years to become a fabricator, and over the years acquired 14 hydraulic benders. The machines are capable but require lengthy tool changeovers, hours of programming time, and substantial expertise to maintain bend consistency. It recently invested in two all-electric machines, benders that don’t have these issues.

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