Content tagged with "chemistry"

Results: 8

Article

June 8, 2004

Selecting a shielding gas for joining stainless steel The use of stainless steel has grown significantly over the past decade in North America. As its use has grown, so has the number of different consumables required to join it. Because stainless steels are used in applications that are different from carbon steels, it follows that their... Read more...

Article

January 13, 2004

Structural tube on campus A Sculptor and an Architect Carpenter specializes in large-scale public installations, including architectural sculptures and infrastructural items. He studied architectural glass art under artists in England and Germany, and this experience is reflected in his use of glass and light,... Read more...

Article

November 6, 2003

Meeting ISO 14001 requirements First published in 1996, ISO 14001 specifies the actual requirements for an environmental management system. It applies to those environmental aspects an organization can control. Achieving ISO 14001 requires documented improvement. First, you must document your current environmental conditions... Read more...

Article

September 25, 2003

Choosing the proper steel to minimize abrasive adhesive tool wear Many tools crack because of abrasive or adhesive wear. If one type is mistaken for the other, the actions taken to extend the life of a tool can have the opposite effect. Abrasive Wear Abrasive wear is caused by hard particles, such as carbides and inclusions, on the surface or within the work... Read more...

Article

July 24, 2003

Which wire do you require? Many fabricators overlook the efficiencies they can gain by changing a wire or process. In fact, when you ask fabricators why they're using a particular electrode, some respond with "That's the way it's always been done here," even though another way might yield significant improvement.... Read more...

Article

October 11, 2001

Interaction of chemicals used in forming and fabricating Lubricants, coolants, corrosion inhibitors, cleaners, coatings, fluxes, and other chemicals all are used-and thus intermixed-in metal manufacturing, forming, fabrication, welding, and finishing. As a result, as manufacturers become more conscious of quality, safety, productivity, and disposal... Read more...

Article

August 16, 2001

Solving problems on the tube mill Tube mill operators face a variety of challenges every day in their effort to produce high-quality tubing in a cost-effective and productive way. This article examines some of the typical problems producers encounter, some common causes of these problems, and some ideas for how to solve these... Read more...

Article

June 15, 2001

Resisting cracking, deformation, and premature wear: Powder metallurgical steels provide an alternative to conventional tool steels Many pressworking applications require that punch and die components withstand severe loading conditions and long production runs. Under these circumstances, conventional tool steel grades such as American Iron and Steel Institute (AISI) A2, S7, or D2 may not provide the necessary compressive... Read more...

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