CMW® ELKONITE 20SB tungsten, silver

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CMW® ELKONITE 20SB tungsten, silver (discontinued **)
Categories:	Metal; Nonferrous Metal; Precious Metal; Silver Alloy; Refractory Metal; Tungsten Alloy
Material Notes:	This material has been rebranded as a part of the NAECO® ELKON® product line. ELKONITE® 20SB is made by a "press-sinter" method with a small addition of nickel used to activate the sintering. Because of fewer steps in manufacture this material is more economical than the Elkonite® 20S (press-sinter-infiltrate) counterpart. Size of Elkonite® 20SB contacts are limited due to warping. They can be made with a serrated back and excess silver to facilitate attachment. Elkonite® 20SB with its high refractory content is used in certain lower rated circuit breakers where their temperature rise is adequate. Some automotive circuit protectors use ELKONITE® 20SB operating against a silver alloy. Information provided by CMW Inc.
Vendors:

Available Properties
Density Hardness, Rockwell B Electrical Resistivity, 45 % IACS Silver, Ag Tungsten, W

Property Data

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Manufacturer Notes:
CMW Inc.

Category Notes
none

**
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