July 11, 2006
By: A.C. Richardson
Although eddy-current testing is king in the tube production industry, flux leakage is worth a look. Using a small test sample, equipment-maker InspecTech found that for 3.50-in. to 4.00-in. carbon steel tubing with wall thickness from 0.056 in. to 0.100 in., the flux leakage method found more defects and turned out fewer false alarms than the eddy-current method did.
The PTX Eco Smart is a multi-functional grinding and polishing system for flat surfaces and open or closed pipe constructions. Grind from coarse to very fine finishes, and burnish to a high-gloss finish. Work with stainless steel, steel and nonferrous metals (aluminum, brass, bronze and copper), wood, and rigid plastic.
MIG welding troubleshooting tips - by Josh Welton
Having problems with your MIG welding equipment? Maintenance and troubleshooting knowledge can help you keep it running like a top.
Hands-on information, real-world applications, and down-to-earth practical advice for welders. Subscriptions are free to qualified welding professionals in North America.