Penn Stainless stocks square ornamental tubing in a number of standard sizes and grades, inducing in 304, 304L and 316/316L.
Measurement system analysis. A measurement systems analysis (MSA) is a specially designed experiment that seeks to identify the components of variation in the measurement. Just as processes that produce a product may vary, the process of obtaining measurements and data may have variation and produce defects.
Magnetic resonance angiography. Time-of-flight MRA at the level of the Circle of Willis. [edit on Wikidata] Magnetic resonance angiography (MRA) is a group of techniques based on magnetic resonance imaging (MRI) to image blood vessels.