ASTM B662-94(2012)..
ASTM B663-94(2012)..
ASTM B664-90(2012)..
ASTM B671-81(2010)..
ASTM B683-01(2012)..
ASTM B685-01(2012)..
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ASTM B684-97(2012)
Standard Specification for Platinum-Iridium Electrical Contact Materials
STANDARD published on 1.11.2012
The information about the standard:
Designation standards: ASTM B684-97(2012)
Note: WITHDRAWN
Publication date standards: 1.11.2012
SKU: NS-7705
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM B684-97(2012) :
Keywords:
electrical contact materials, iridium alloy, medical material, platinum alloy, platinum iridium alloys, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)
Additional information
| 1. Scope | ||
|
1.1 This specification covers an 85 % platinum—15 % iridium alloy, and a 90 % platinum—10 % iridium alloy, in the form of rod, wire, strip, and sheet material for electrical contacts. Element |
85 Pt/15 Ir |
90 Pt/10 Ir |
|
|
Weight % |
Weight % |
|
Pt |
balance |
balance |
|
Ir |
14.50-15.50 |
9.50-10.50 |
|
Total Impurities |
0.2 max. |
0.2 max. |
|
Total Platinum Group (Pd, Rh, Os, Ru), Au |
0.1 max. |
0.1 max. |
|
Total Other Impurities (including the |
0.1 max. |
0.1 max. |
|
Pb, Sb, Bi, Sn, As, Cd, Zn |
0.01 max each |
0.01 max each |
|
Fe |
0.015 max each |
0.015 max each |
|
Other elements |
0.02 max each |
0.02 max each |
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 The original specification, B684 - 81, covered the 85 % platinum 15 % iridium alloy. The 1997 revision of this specification added the 90 % platinum 10 % iridium alloy.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.
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Standard Test Methods for Tension Testing of Metallic Materials |
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|
Standard Specification for General Requirements for Wrought Precious Metal Electrical Contact Materials |
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|
Standard Test Method for Hardness of Electrical Contact Materials |
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Standard Test Method for Microindentation Hardness of Materials |
