Underground Mobile Machines for Mining (ISO 19296:2018)
Geological composition results from ceaseless processes like erosion, weathering, and plate tectonics that are powerful enough to shape the world, but stagnant enough to take…
NFPA 484, Standard for Combustible Metals, 2019 Edition
The 2019 edition of the standard for combustible metals, NFPA 484-2019, has been released. It is a complete reorganization of the 2015 version of the…
ASTM B117-19: Standard Practice for Operating Salt Spray (Fog) Apparatus
Even the most durable or permanent items can at some point deteriorate. That doesn’t mean these qualities should be ignored. However, the ability to remain…
Killed Steel
If human eyes could examine the world on the atomic level, they’d witness a competing collection of tiny particles joining together, reacting or fortifying one…
Enhancing Metal Parts Through Shot Peening
The subject of “shot peening” might need further explanation beyond a simple mention. Regardless, this cold work process for finishing metal parts owes its success…
SAE Standard for Passivation of Corrosion Resistant Steels, Revision F
Words are not absolute, but they suffice in representing tangible items and ideas that we can see or feel. For example, steel is not stainless….
AWS D9.1:2018 – Sheet Metal Welding Code
Besides its dependability in structural applications, sheet metal is a component in heating, ventilation, and air conditioning systems and food processing equipment, and it serves…
U.S. Aluminum Production and Uses
“U.S. production of primary aluminum declined 47% in 2016 to the lowest level since 1951. During the year, three primary smelters were shut down. High…
What Makes a Precious Metal?
The now-omnipresent and affordable aluminum was once more expensive than gold. Treating it as precious and exotic, Emperor Napoleon III had aluminum cutlery made for state…