May 4, 2010
The X-factor, also known as the Bruscato factor, is an important equation for anyone welding with chrome-moly steel. The equation will help you test your filler metals for levels of phosphorus, antimony, tin, and arsenic that could make a weldment susceptible to temper embrittlement.
March 1, 2010
All plasma systems use consumables that have an expected life. In high-use environments the cost of consumables can become considerable over time. Familiarizing yourself with what causes premature consumable wear and how to prevent it can help extend the life of your consumables, and in turn, cut down on the cost of continuous consumable replacement.
November 3, 2009
Progressive Pipeline Inc., Meridian, Miss., found that a new low-hydrogen vertical electrode made a real difference in a pipeline project the company worked on in 2008.
September 1, 2009
Alloys comprise 1 to 5 percent of a particular steels content and are added to provide the steel with a specific attribute. Knowing the type of low-alloy steel you have will help you to choose the right filler metal and achieve good weld quality.
May 18, 2009
FEMA, AWS, and AISC have all released documentation andspecification guidance for structural steel construction projects.Determining which to follow, however, can be a source of confusionfor architects, contract engineers, welding engineers, and weldingmanufacturers.
May 15, 2009
The good news about a worldwide recession is that steel prices are back down from their record highs of 2008. The Producer Price Index for hot-rolled bars, plates, and structural shapes, which includes a lot of bridge steel, dropped 7.5 percent from February 2008 to February 2009."The extreme...
March 24, 2009
I am confused about the various specifications for seismic applications. How can I know if I have the right filler metal for the job?Your confusion is understandable. The documents overseeing seismic applications are ongoing and constantly revised. To fully understand this issue, we need to go back...
March 10, 2009
Sooner or later,your operation will have to be free of volatile organic compounds emissions. Using the latest lubricants can help. Lubricant suppliers have developed VOC-free lubricants that combine the best qualities of vanishing oils and water-extendible synthetic fluids, minus the mixing hassle associated with the latter.
January 27, 2009
With so many blends of shielding gas available, it can be a difficult task to determine which gas or gas blend best suits a particular GTAW application. To simplify that task, you must first understand the distinct properties that each gas or gas mixture brings to the table and how best to optimize the mixture once it's been determined.
November 25, 2008
For a job shop or manufacturer, maintaining weld quality begins with consistent shielding gas in the gas metal arc welding (GMAW) process. Consistently delivering the correct blend ensures proper arc characteristics and weld quality. Mixing technology, supply gas density, and gas usage patterns can affect the on-site gas blending system's ability to deliver a consistent blend.