SMACNA 1943 PDF Download

Written specifically for the international market, the Rectangular Industrial Duct Construction Standards, SI (Metric) is based on the same theoretical work and scope of the Inch-Pound version, 2nd edition, published in 2004. The difference between the two publications is that the data in the SI version is expressed in metric units and the ratings are based on using materials produced under and to ISO Standards, in both strength and physical dimensions - Hard Metric.

The second edition expands the scope of the 1980 version, updating original text to incorporate a revised theory of design, new materials and more "user friendly" tables. Included are new tables for stainless steels and aluminum, plus expanded chapters on materials, welding practices, and a guide specification.

It covers the simple, low or moderate temperature and pressure (or vacuum) indoor systems as well as the more complex outdoor systems that operate at moderate to high temperature and pressure (or vacuum), and are subject to higher and more complex internal loading.