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ASTM International, 05/01/2013
Publisher: ASTM
File Format: PDF
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Published:01/05/2013
Pages:2
File Size:1 file , 61 KB
Note:This product is unavailable in Russia, Ukraine, Belarus
1.1 This specification covers annealed, drawn, or rolled shapes for electrical heating and resistance purposes of alloys consisting mainly of iron, chromium, and aluminum as detailed in Table 1.
Class
Resistivity Range
Composition Range, %
Ω·cmil/ft
μΩ·cm
Al
Cr
I
825 to 920
135 to 150
5.00 to 6.00
20 to 24
IIA
795 to 880
130 to 144
4.75 to 5.75
IIB
770 to 855
4.00 to 5.25
III
715 to 785
119 to 130
3.75 to 4.75
13 to 16
IV
665 to 735
111 to 122
2.75 to 3.75
12 to 15
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 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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