Name: ASTM B 559 : 2012
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Standard Specification for Nickel-Coated, Copper-Clad Steel Wire for Electronic Application

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20-10-2023

Superseded by

ASTM B 559 : 2012 : R2017

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English

Published date

15-10-2012

Publisher

American Society for Testing and Materials

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CONTAINED IN VOL. 02.03, 2017 Defines nickel-coated, round, copper-clad steel wire for electronic application.

Committee	B 01
DocumentType	Standard
Pages	7
ProductNote	Reconfirmed 2012
PublisherName	American Society for Testing and Materials
Status	Superseded
SupersededBy	ASTM B 559 : 2012 : R2017
Supersedes	ASTM B 559 : 1993 : R2007

1.1This specification covers nickel-coated, round, copper-clad steel wire for electronic application.

1.2Nickel coatings in mass percentages of the total mass of the coated wire are as follows: 2, 4, 7, 10, and 27 %. Nickel-coated wire having different minimum mass percentages of nickel may be obtained by mutual agreement between the manufacturer and the purchaser. For information purposes, the thickness of coating in microinches provided by the percentages listed above is shown in Table 1.

TABLE 1 Nickel Mass Percent and Thickness of Coating

Diameter		Cross-Sectional Area at 20°C			Thickness of Nickel,μ in. (for information only)
in.	mm	cmil	in.²	mm²	2.0 %	4.0 %	7.0 %	10.0 %	27.0 %
0.0720	1.829	5180	0.00407	2.63	334	637	1181	1703	4892
0.0641	1.628	4110	0.00323	2.08	298	566	1050	1514	4349
0.0571	1.450	3260	0.00256	1.65	266	505	936	1350	3880
0.0508	1.290	2580	0.00203	1.31	236	450	833	1200	3452
0.0453	1.151	2050	0.00161	1.04	211	401	743	1071	3077
0.0403	1.024	1620	0.00128	0.823	202	357	661	953	2738
0.0359	0.912	1290	0.00101	0.653	167	318	589	849	2439
0.0320	0.813	1020	0.000804	0.519	149	283	525	757	2174
0.0285	0.724	812	0.000638	0.412	133	252	467	686	1937
0.0253	0.643	640	0.000503	0.324	118	224	415	598	1719
0.0226	0.574	511	0.000401	0.259	105	200	371	535	1536
0.0201	0.511	404	0.000317	0.205	94	178	330	475	1366
0.0179	0.455	320	0.000252	0.162	83	158	294	423	1216
0.0159	0.404	253	0.000199	0.128	74	141	261	376	1080
0.0142	0.361	202	0.000158	0.102	66	126	233	336	965
0.0126	0.320	159	0.000125	0.0804	59	112	207	298	856
0.0113	0.287	128	0.000100	0.0647	53	100	185	267	768
0.0100	0.254	100	0.0000785	0.0507	47	89	164	237	680
0.0089	0.226	79.2	0.0000622	0.0401	41	80	146	211	605
0.0080	0.203	64.0	0.0000503	0.0324	...	71	131	189	544
0.0071	0.180	50.4	0.0000396	0.0255	...	63	116	168	482
0.0063	0.160	39.7	0.0000312	0.0201	...	56	103	149	428
0.0056	0.142	31.4	0.0000246	0.0159	...	50	92	132	381
0.0050	0.127	25.0	0.0000196	0.0127	...	44	82	118	340
0.0045	0.114	20.2	0.0000159	0.0103	...	40	74	106	306
0.0040	0.102	16.0	0.0000126	0.00811	...	...	66	95	272
0.0035	0.089	12.2	0.00000962	0.00621	...	...	57	83	238
0.0031	0.079	9.61	0.00000755	0.00487	...	...	51	73	211

1.3Four classes of nickel-coated, copper-clad steel wire are covered as follows:

1.3.1Class N30HS—Nominal 30 % conductivity, hard drawn.

1.3.2Class N30A—Nominal 30 % conductivity, annealed.

1.3.3Class N40HS—Nominal 40 % conductivity, hard drawn.

1.3.4Class N40A—Nominal 40 % conductivity, annealed.

1.4The 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.

1.4.1Exception—The SI values for resistivity are to be regarded as standard.

1.5The following safety hazards caveat pertains only to the test method described in this specification. 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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. (Warning—Consideration should be given to toxicity and flammability when selecting solvent cleaners.)

ASTM B 193 : 2016 : REDLINE

Standard Test Method for Resistivity of Electrical Conductor Materials

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ASTM B 559 : 2012

Standard Specification for Nickel-Coated, Copper-Clad Steel Wire for Electronic Application

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