NPFC - MIL-HDBK-270
METALLIC MATERIALS FOR LOW MAGNETIC APPLICATIONS, MAGNETIC PERMEABILITY AND ELECTRICAL CONDUCTIVITY, CHARACTERISTICS OF (METRIC)
|Publication Date:||19 March 1991|
This handbook provides the following technical data and information for metals and alloys (in particular, aluminum, copper, nickel, and titanium alloys, and corrosion-resisting stainless steel):
(a) Common name.
(b) Commercial designation.
(c) UNS (unified numbering system) number.
(d) Chemical composition.
(e) Applicable Government and commercial specifications.
(f) Normal and other magnetic permeabilities at selected percentages of cold-working.
(g) Electrical conductivity.
(h) Magnetic permeability and electrical conductivity data source.
This document does not relieve the equipment manufacturers from meeting magnetic permeability requirements after fabrication regardless of any materials that were selected because of conclusions drawn from this handbook.
Tables I through V contain data and information on non-ferrous alloys. Tables VI through IX contain data and information on iron alloys. Table X contains high strength steels (HY 80 and HY 100). Table XI lists magnetic permeability and electrical conductivity data sources. Each source has been assigned a number that relates to the numeric part of the code in the data sources column of tables I through IX (see 3.1.7(i)). Tables XII, XIII, and XIV contain cross references of Government specifications to UNS numbers, commercial specifications to UNS numbers, and UNS numbers to Government specifications, respectively. For further cross-indexing of metals and alloys, refer to ASTM DS-56. Table XV contains an index of common names.
The technical data and information contained herein are intended to be used as a guideline relating to the effects of fabrication methods on the magnetic permeability and electrical conductivity... View More
The technical data and information contained herein are intended to be used as a guideline relating to the effects of fabrication methods on the magnetic permeability and electrical conductivity of materials.View Less