AWS A1.1 Metric Practice Guide for the Welding Industry

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AWS A1.1 Document Information:

Title
Metric Practice Guide for the Welding Industry

American Welding Society

Publication Date:
Jan 1, 2001

Scope:

This metric practice guide is based on the International System of Units (SI) as defined in the U.S. Federal Register notice of July 28, 1998, “Metric System of Measurement: Interpretation of the International System of Units for the United States.” (Other source documents and style guides are referenced in Annex D.) This guide contains specifications of the SI base units, derived units, prefixes, and rules for their use in AWS documents and by the welding industry. It also contains factors and rules for converting from inch-pound units (often referred to as U.S. Customary Units) to SI Units and recommendations to industry for managing the transition.

Keywords:

conversions

round-off rules

preferred numbers

SI units

Metric practice

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