Difference between revisions of "Admiralty metal"

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== Description ==
 
== Description ==
  
An old term for a [http://cameo.mfa.org/materials/fullrecord.asp?name=brass brass] alloy containing 70-73% [http://cameo.mfa.org/materials/fullrecord.asp?name=copper copper], about 1% [http://cameo.mfa.org/materials/fullrecord.asp?name=tin tin] and 0.01% [http://cameo.mfa.org/materials/fullrecord.asp?name=arsenic arsenic] with the balance composed of [http://cameo.mfa.org/materials/fullrecord.asp?name=zinc zinc]. Small amounts of additional tin increase the hardness and strength while decreasing the ductility. This alloy offers good resistance to dilute acids and alkalis, [http://cameo.mfa.org/materials/fullrecord.asp?name=sea%20water sea water] and sulfurous atmospheres (Lewis, 1993).
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An old term for a [[brass|brass]] alloy containing 70-73% [[copper|copper]], about 1% [[tin|tin]] and 0.01% [[arsenic|arsenic]] with the balance composed of [[zinc|zinc]]. Small amounts of additional tin increase the hardness and strength while decreasing the ductility. This alloy offers good resistance to dilute acids and alkalis, [[sea%20water|sea water]] and sulfurous atmospheres (Lewis, 1993)
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
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admiralty alloy; tin brass; latão do almirantado (Port.)
 
admiralty alloy; tin brass; latão do almirantado (Port.)
  
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== Physical and Chemical Properties ==
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
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|-
 
|-
 
! scope="row"| Density
 
! scope="row"| Density
| 8.53
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| 8.53 g/ml
 
|}
 
|}
  
== Authority ==
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==Resources and Citations==
  
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 17, 115
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 17, 115

Latest revision as of 13:47, 24 April 2022

Description

An old term for a Brass alloy containing 70-73% Copper, about 1% Tin and 0.01% Arsenic with the balance composed of Zinc. Small amounts of additional tin increase the hardness and strength while decreasing the ductility. This alloy offers good resistance to dilute acids and alkalis, Sea water and sulfurous atmospheres (Lewis, 1993)

Synonyms and Related Terms

admiralty alloy; tin brass; latão do almirantado (Port.)

Physical and Chemical Properties

Melting Point 900-953
Density 8.53 g/ml

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 17, 115
  • David C. Scott, Metallography and Microstructure of Ancient and Historic Metals, The Getty Conservation Institute, Los Angeles, 1991