ASTM B609M-97
(Specification)Standard Specification for Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes [Metric] (Withdrawn 1999)
Standard Specification for Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes [Metric] (Withdrawn 1999)
SCOPE
1.1 This specification covers aluminum 1350-O (annealed), 1350-H12 or -H22 (1/4 hard), 1350-H14 or -H24 (1/2 hard), 1350-H16 or -H26 (3/4 hard) and 1350-H142 or -H242 (1/2 hard), suitable for stranding into conductors or for solid single conductors, either bare or insulated. Note 1-Prior to 1975, aluminum 1350 was designated EC aluminum. Note 2-The aluminum and temper designations conform to ANSI H35.1(M). Aluminum 1350 corresponds to Unified Numbering System A91350 in accordance with Practice E527. Note 3-This specification is the metric companion of Specification B609.
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Last ASTM Designation: B 609M – 97
Standard Specification for
Aluminum 1350 Round Wire, Annealed and Intermediate
Tempers, for Electrical Purposes [Metric]
1 1
This specification covers aluminum 1350-O (annealed), 1350-H12 or -H22 ( ⁄4 hard), 1350-H14 or -H24 ( ⁄2 hard), 1350-H16 or -H26
3
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This specification covers aluminium 1350 drawing stock for electrical purposes. The stock shall conform to the chemical composition requirements. The stock shall be uniform in quality and temper and shall be suitable for drawing into wire. The tensile strength tests and requirements for the respective tempers of stock are presented in details. The stock shall be furnished in continuous-length coils without joints, unless otherwise agreed upon between the manufacturer and purchaser. The electrical resistivity tests shall be made on full-section samples of the stock.
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1.1 This specification covers aluminum 1350 drawing stock 0.375 in. (9.52 mm) to 1.000 in. (25.40 mm) in diameter, in the tempers shown in Table 1, for drawing into wire for electrical conductors (Explanatory Note 1 and Note 2).TABLE 1 Tensile Property LimitsA
Temper
Tensile Strength
ksi
MPa
1350-O
8.5–14.0
59–97
1350-H12 and -H22
12.0–17.0
83–117
1350-H14 and -H24
15.0–20.0A
103–138
1350-H16 and -H26
17.0–22.0A
117–152 A Applicable to stock sizes through 0.500-in. (12.70-mm) diameter. The values to apply for larger sizes in these tempers shall be negotiated at time of inquiry.
1.2 The SI values of density and resistivity are to be regarded as the standard. For all other properties the inch-pound values are to be regarded as standard and the SI units may be approximate. Note 1—Prior to 1975, aluminum 1350 was designated as EC aluminum.
Note 2—The aluminum and temper designations conform to ANSI H35.1. Aluminum 1350 corresponds to unified numbering system A91350 in accordance with Practice E527.TABLE 2 Chemical RequirementsA
Element
Composition, %
Silicon, max
0.10
Iron, max
0.40
Copper, max
0.05
Manganese, max
0.01
Chromium, max
0.01
Zinc, max
0.05
Boron, max
0.05
Gallium, max
0.03
Vanadium plus titanium, total, max
0.02
Other elements, each, max
0.03
Other elements, total, max
0.10
Aluminum, min
99.50 A Analysis shall regularly be made only for the elements specified in this table. If, however, the presence of other elements is suspected or indicated in amounts greater than the specified limits, further analysis shall be made to determine that these elements are not present in amounts in excess of the specified limits.TABLE 3 Electrical Resistivity Limits
Temper
Resistivity, Ω·
mm 2/m, max
Equivalent Volume
Conductivity,
% IACS, min
1350-O
0.027899
61.8
1350-H12 and -H22
0.028035
61.5
1350-H14 and -H24
0.028080
61.4
1350-H16 and -H26
0.028126
61.3
TABLE 4 Equivalent Resistivity Values at 20°CA
Material
Volume Conductivity,
% IACS
Resistivity Constants
Volume
Ω·mm 2/m
Ω·cmil/ft
μΩ·in.
μΩ·cm
Copper
100
0.017241
10.371
0.67879
1.7241
Aluminum
61.3
0.028126
16.919
1.1073
2.8126
61.4
0.028080
16.891
1.1055
2.8080
61.5
0.028035
16.864
1.1037
2.8035
61.8
0.027899
16.782
1.0984
2.7899 A The equivalent resistivity values for 100 % IACS conductivity were each computed from the fundamental IEC value (1/58 Ω·mm2/m) using conversion factors each accurate to at least seven significant figures. Corresponding values for other conductivities (aluminum) were derived from these by multiplying by the reciprocal of the conductivity ratios accurate to at least seven significant figures. TABLE 5 Diameter Tolerances
Specified Diameter, in.
(mm)
Tolerance, in. (mm), Plus or Minus
Deviation of MeanA
Diameter from
Specified Diameter
Deviation at Any
Point from
Specified Diameter
0.375–0.500 (9.52–12.70)
0.501–1.00 (12.73–25.40)
0.020 (0.51)
0.025 (0.64)
0.030 (0.76)
0.035 (0.89) A For this specification, mean diameter is t...
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