ASTM B836-00(2021)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: B836 −00 (Reapproved 2021)
Standard Specification for
Compact Round Stranded Aluminum Conductors Using
Single Input Wire Construction
This standard is issued under the fixed designation B836; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2.2 ASTM Standards:
B230/B230M Specification for Aluminum 1350–H19 Wire
1.1 This specification covers aluminum/single input wire
for Electrical Purposes
(SIW) stranded conductors made from round or shaped wires
B263 Test Method for Determination of Cross-Sectional
for use in covered or insulated electrical wires or cables.These
Area of Stranded Conductors
conductors shall be composed of one or more roller or die
B354 Terminology Relating to Uninsulated Metallic Electri-
compacted layers of helically applied wires (Explanatory Note
cal Conductors
1, Explanatory Note 2, and Explanatory Note 3).
B400 Specification for Compact Round Concentric-Lay-
Stranded Aluminum 1350 Conductors
1.2 The values stated in inch-pound units are to be regarded
B609/B609M Specification for Aluminum 1350 Round
as standard. The values given in parentheses are mathematical
Wire, Annealed and Intermediate Tempers, for Electrical
conversions to SI units that are provided for information only
Purposes
and are not considered standard.
B800 Specification for 8000 Series Aluminum Alloy Wire
1.2.1 For density, resistivity, and temperature, the values
for Electrical Purposes—Annealed and IntermediateTem-
stated in SI units are to be regarded as standard.
pers
NOTE 1—The aluminum and temper designations conform to ANSI
B801 SpecificationforConcentric-Lay-StrandedConductors
H35.1. Aluminum 1350 and Aluminum-Alloy 8XXX correspond to
of 8000 SeriesAluminumAlloy for Subsequent Covering
Unified Numbering System A91350 and A98XXX, in accordance with
or Insulation
Practice E527.
B830 Specification for Uniform Test Methods and Fre-
1.3 This standard does not purport to address all of the
quency
safety concerns, if any, associated with its use. It is the
E29 Practice for Using Significant Digits in Test Data to
responsibility of the user of this standard to establish appro-
Determine Conformance with Specifications
priate safety, health, and environmental practices and deter-
E527 Practice for Numbering Metals and Alloys in the
mine the applicability of regulatory limitations prior to use.
Unified Numbering System (UNS)
1.4 This international standard was developed in accor-
2.3 ANSI Standard:
dance with internationally recognized principles on standard-
ANSI H35.1 Alloy and Temper Designation Systems for
ization established in the Decision on Principles for the
Aluminum
Development of International Standards, Guides and Recom-
2.4 NIST Standard:
mendations issued by the World Trade Organization Technical
Handbook 100 Copper Wire Tables NBS
Barriers to Trade (TBT) Committee.
3. Classification
2. Referenced Documents
3.1 The conductors described in this specification are in-
2.1 The following documents of the issue in effect on date tendedforsubsequentinsulationorcovering.Theclassification
of these conductors is SIW Compact.
of material purchase form a part of this specification to the
extent referenced herein.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
This specification is under the jurisdiction of ASTM Committee B01 on Standards volume information, refer to the standard’s Document Summary page on
Electrical Conductors and is the direct responsibility of Subcommittee B01.07 on the ASTM website.
Conductors of Light Metals. Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
Current edition approved Feb. 1, 2021. Published February 2021. Originally 4th Floor, New York, NY 10036, http://www.ansi.org.
approved in 1993. Last previous edition approved in 2015 as B836 – 00 (2015). Available from National Institute of Standards and Technology (NIST), 100
DOI: 10.1520/B0836-00R21. Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http://www.nist.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
B836 − 00 (2021)
4. Ordering Information 7. Construction
4.1 Orders for material in accordance with this specification 7.1 The construction of the conductors shall be as given in
shall include the following information: Table 1.
4.1.1 Quantity of each size and class (Table 1);
7.2 Wire used in the fabrication of conductors shall be of
4.1.2 Conductor size, circular-mil area orAWG (Section 7);
such dimensions as to produce a finished conductor as pre-
4.1.3 Temper (Section 12);
scribed in Table 1.
4.1.4 Lay direction, if nonstandard (see 6.2 and 6.3);
4.1.5 Special tension test, if required (see 16.2); 8. Rated Strength of Conductor
4.1.6 Place of inspection (Section 17);
8.1 The rated strength of SIW conductors made from any
4.1.7 Packaging and package marking (Section 18), and
and all alloys and tempers covered in this specification shall be
4.1.8 Material for conductor.
taken as the percentage, indicated in Table 2, of the sum of the
strengthsofthecomponentwires,calculatedonthebasisofthe
5. Joints
equivalent diameter of these wires and the specified minimum
5.1 Joints may be made in any of the wires of any stranding
average tensile strengths given in Specifications B230/B230M,
by electric-butt welding, cold-pressure welding, or electric-
B609/B609M, and B800.
butt, cold-upset welding.
8.2 Rated-strength and breaking-strength values shall be
5.1.1 Joints in the individual wires in a finished conductor
rounded to three significant figures, in the final value only, in
shall not be closer together than 1 ft (0.3 m) for conductors of
accordance with the rounding method of Practice E29.
19 wires or less, or closer than 1 ft (0.3 m) in a layer for
8.3 Rated strengths of conductors are given in Table 3 of
conductors of more than 19 wires.
Specification B400 for conductors made ofAluminum 1350 in
5.2 No joint or splice shall be made in a stranded conductor
all tempers.
as a whole.
8.4 Rated strengths of conductors made from any and all
6. Lay tempers of 8000 series aluminum alloys are given in Table 3 of
Specification B801.
6.1 The length of lay of each layer for SIWconductors shall
not be less than 8 or more than 17.5 times the outside diameter
9. Density
of the finished conductor.
9.1 For the purpose of calculating mass, cross-sections, and
6.2 The direction of lay of the outer layer shall be left-hand
so forth, the density ofAluminum 1350 shall be taken as 2705
and may be reversed or unidirectional in successive layers. 3 3
kg/m (0.0975 lb/in. ) at 20°C, and the density of 8000 series
3 3
6.3 Other lay requirements may be furnished upon special aluminum alloys shall be taken as 2710 kg/m (0.098 lb/in. )
agreement between the manufacturer and the purchaser. at 20°C.
TABLE 1 Construction of Compact Round, Concentric-Lay-Stranded Aluminum Conductors
Nominal Compact Conductor
Minimum Nominal
Conductor Size Nominal dc Resistance at 20°C
Nominal
Diameter
Number of Mass/1000
Mass/km, kg
A
Wires ft, lb
Circular, mils AWG mm in. mm Ω/1000 ft Ω/km
1 000 000 . 507 53 1.060 26.9 937 1394 0.0173 0.0563
900 000 . 456 53 0.999 25.4 844 1257 0.0193 0.0632
800 000 . 405 53 0.938 23.8 750 1116 0.0217 0.0712
750 000 . 380 53 0.908 23.1 703 1046 0.0231 0.0759
700 000 . 355 34 0.877 22.3 656 976 0.0248 0.0813
650 000 . 329 34 0.845 21.5 609 906 0.0267 0.0875
600 000 . 304 34 0.813 20.7 563 838 0.0289 0.0948
550 000 . 279 34 0.775 19.7 516 768 0.0315 0.103
500 000 . 253 30 0.736 18.7 468 696 0.0347 0.114
450 000 . 228 30 0.700 17.8 422 628 0.0385 0.126
400 000 . 203 24 0.659 16.7 375 558 0.0434 0.142
350 000 . 177 24 0.616 15.6 328 488 0.0495 0.162
300 000 . 152 18 0.570 14.5 281 418 0.0578 0.190
250 000 . 127 18 0.520 13.2 234 348 0.0694 0.228
211 600 0000 107 17 0.475 12.1 198 295 0.0820 0.269
167 800 000 85.0 15 0.423 10.7 157 234 0.103 0.338
133 100 00 67.4 12 0.376 9.55 125 186 0.130 0.428
105 600 0 53.5 7 0.336 8.53 98.9 147 0.164 0.539
83 690 1 42.4 7 0.299 7.59 78.4 117 0.207 0.680
66 360 2 33.6 6 0.268 6.81 62.2 92.6 0.261 0.857
52 620 3 26.7 6 0.238 6.05 49.3 73.3 0.330 1.08
41 740 4 21.2 6 0.213 5.41 39.1 58.2 0.416 1.36
26 240 6 13.3 6 0.169 4.29 24.6 36.6 0.661 2.17
16 510 8 8.37 6 0.134 3.40 15.5 23.1 1.05 3.44
A 3
Weights are based on Aluminum 1350 with a density of 0.0975 lb/in.
B836 − 00 (2021)
TABLE 2 Rating Factors
For the 1350-H19 temper, the minimum tensile and elongation
Stranding Rating Factor, % requirements shall be 96 % of those for round wire of the same
Number of Layers
nominal area, provided the completed conductor is capable of
meeting the requirements of Sections 8 and 16.
12.3 For conductors made from all other alloys and tempers
covered in this specification with shaped wires, the tensile
requirements for the wires shall be the same as those for round
input wires of equal nominal area. The area tolerances for
TABLE 3 Temperature Correction Factors for Conductor
shaped wire of all alloys and tempers shall be such that the
Resistance
finished conductor conforms to Section 13.
Temperature, °C Multiplying Factor for Conversion to 20°C
0 1.088
13. Variation in Area
5 1.064
10 1.042
13.1 The cross-sectional area of the conductor shall not be
15 1.020
less than 98 % of the cross-sectional area as specified in
20 1.000
25 0.980 Colu
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