ACS Wire

Aluminum-Clad Steel Overhead Ground Wire Specified by electric utilities for use on transmission lines as ground / shield wires Ideal for marine or industrial zones where corrosi
Overview

Application

The covered aluminum steel wire for compression, internationally known as Alumoweld or ACS, is a wire of high resistance whose cover is carried through an extrusion process, that adheres the aluminum by pressure and heat. Once the covering process is finished, the wire is drawn until its final diameter without any alteration in the aluminum steel ratio.

Manufacture of Overhead Bare Conductor, OPGW, Ground Wire,Overhead Ground wire, Messenger wire, Guy wire, Formed wire for protecting, Terminating and Splicing Transmission and Distribution lines,Shield wire Protecting Transmission lines against lightning damage fence, barber wire and hardware. Aluminum-Clad steel Wire and Strand is used by Power Utilities as well as Formed Wire and Optical Ground Wire Manufacturers.

Standards

ASTM B416-American Standard

DIN 48201-German Standards

IEC 61232-International Electrotechnical Commission International Standards

ASTM B502-93-American Standard of Aluminum Clad Steel Wires

AS 1222.2-92-Australia Standard of Aluminum Clad Wires

ASTM B 415-02 1, Tensile Requirement

Parameter

ASTM B416


Code Number

Area

No.of Wires
DiameterWeightRated StrengthMax.D.C. Resistance at 20℃
WireCond.

mm2
mmmmkg/kmkNΩ/km
3 x 5AWG50.3234.629.96334.154.421.6990
3 x 6AWG39.0034.118.87265.045.742.1420
3x7AWG31.6533.677.90210.138.362.7010
3 x 8AWG25.1033.267.03166.732.063.4060
3 x 9AWG19.9032.916.26132.225.434.2940
3x10AWG15.7832.595.58104.820.165.4150
7 x 5AWG117.4074.6213.90781.1120.270.7426
7 x 6AWG93.1074.1112.40619.5101.140.9198
7x7AWG73.8773.6711.00491.184.811.1600
7x8AWG58.5673.269.78389.670.881.4630
7 x 9AWG46.4472.918.71308.956.201.8440
7x10AWG36.8372.597.76245.144.582.3250
7x11AWG29.2172.306.91194.435.352.9320
7x12AWG23.1672.056.16154.228.033.6970
19x5AWG318.70194.6223.102129.0326.390.2698
19x6AWG252.70194.1120.601688.0274.550.3402
19x7AWG200.40193.6718.301339.0230.180.4290
19x8AWG158.90193.2616.301062.0192.410.5409
19x9AWG126.10192.9114.50842.0152.580.6821
19x10AWG99.96192.5912.90667.7121.000.8601
37 x 5AWG620.60374.6232.304170.0635.430.1394
37 x 6AWG492.20374.1128.803307.0534.850.1757
37 x 7AWG390.30373.6725.702623.0448.090.2216
37 x 8AWG309.50373.2622.902080.0374.670.2794
37 x 9AWG245.50372.9120.301649.0279.110.3523
37x10AWG194.70372.5917.901308.0235.610.4443

DIN 48201

Code NumberAreaNo. of wiresDiameters(mm)WeightRated StrengthDC Resistance
mm2mm2wireconductorkg/kmkNohm/km
2524.2572.16.316231.563.546
3534.3672.57.522944.722.499
5049.4873933064.41.736
7065.81192.110.544185.651.313
9593.27192.512.5626121.390.925
120116.99192.814785152.260.737
150147.11372.2515.7990191.460.587
185181.62372.517.51221236.380.476
240242.54612.2520.21635299.050.357
300299.43612.522.52017369.20.289
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IEC 61232 

Class

20SA

27SA

30SA

40SA

Type

A

B

Tolerance on diameter

Ø ≥ 2,67 mm

± 1,5%

± 1,5%

± 1,5%

± 1,5%

± 1,5%

Ø < 2,67 mm

± 0,04 mm

± 0,04 mm

± 0,04 mm

± 0,04 mm

± 0,04 mm

Minimum thickness of aluminium clad (% of radius)

8% if Ø < 1,80 mm

14%

15%

25%

10% if Ø ≥ 1,80 mm

Nominal density at 20°C (g/cm³)

6,59

6,53

5,91

5,61

4,64

Resistivity at 20°C max. (nΩ x m)

84,80

84,80

63,86

57,47

43,10

Conductivity (IACS)

20,3%

20,3%

27%

30%

40%

Final modulus of elasticity (GPa)

162

155

140

132

109

Coefficient of linear expansion (K-1)

13,0 x 10-6

12,6 x 10-6

13,4 x 10-6

13,8 x 10-6

15,5 x 10-6

Constant-mass temperature coefficient of resistance (K-1)

0,0036

0,0036

0,0036

0,0038

0,0040

MECHANICAL PROPERTIES

class

type

nominal diameter (mm)

min. tensile strength (N/mm²)

min. stress at 1% extension

elongation

torsion test (min. twists)

20SA

A

1,24

3,25

1340

1200

1,5%

20

3,26

3,45

1310

1180

3,46

3,65

1270

1140

3,66

3,95

1250

1100

3,96

4,10

1210

1100

4,11

4,40

1180

1070

4,41

4,60

1140

1030

4,61

4,75

1100

1000

4,76

5,50

1070

1000

B

1,24

5,50

1320

1100

27SA

2,50

5,00

1080

800

30SA

2,50

5,00

880

650

40SA

2,50

5,00

680

500

 

ASTM B502-93 

Diameter

  Cross Section(㎜²)

  Unit Length Weight(kg/km)

Min Breaking Load(kN)

Min Tensile Strength (Mpa)

Resistance at 20℃ ㎜ ²/m≤

  Nominal

  Max

  Min

2.75

2.791

2.709

5.94

39.1

7.96

1340

14.3

3

3.045

2.995

7.069

46.6

9.47

1340

12

3.25

3.299

3.201

8.296

54.7

11.1

1340

10.2

3.75

3.806

3.694

11.04

72.8

13.8

1250

7.7

4.25

4.313

4.186

14.19

93.5

16.7

1180

5.98

 

AS 1222.2-92 

Nominal Diameter

Calculated Cross Section Area(㎜²)

Min Tensile Strength (Mpa)

Calculated Breaking Load (KN)

Min Coating Thickness

DC Resistance at 20℃ ㎜² /m≤

Weight (kg/km)

mm

AWG

2.052

12

3.307

1340

4.45

0.103

25.64

21.8

2.304

11

4.169

1340

5.61

0.115

20.34

27.49

2.589

10

5.26

1340

7.07

0.13

16.12

34.66

2.904

9

6.633

1340

8.92

0.145

12.78

43.65

3.264

8

8.367

1340

11.2

0.163

10.14

55.14

3.477

7

9.495

1310

12.4

0.174

8.93

62.57

3.665

7

10.55

1280

13.5

0.183

8.04

69.48

3.934

6

12.16

1240

15.1

0.197

6.93

80.13

4.115

6

13.3

1210

16

0.206

6.38

87.62

4.392

5

15.15

1170

17.7

0.22

5.6

99.84

4.62

5

16.76

1140

19.1

0.231

5.06

110.5

4.775

4

17.91

1100

19.7

0.239

4.73

118

5.189

4

21.15

1070

22.6

0.259

4.01

139.34

 

ASTM B 415-02 1 

Nominal Diameter, in./mm

Size, AWG

20.3%

27%

30%

40%

psi

MPa

psi

MPa

psi

MPa

psi

MPa

0.2043

5.19

4

155 000

1070

125 000

862

102 000

703

80 000

552

0.1880

4.78


160 000

1100

129 000

889

106 000

731

84 000

579

0.1819

4.62

5

165 000

1140

133 000

917

110 000

758

88 000

607

0.1729

4.39


170 000

1170

137 000

945

114 000

786

92 000

634

0.1620

4.11

6

175 000

1210

141 000

972

114 000

786

96 000

662

0.1549

3.93


180 000

1240

145 000

1000

118 000

814

96 000

662

0.1443

3.67

7

185 000

1280

150 000

1034

122 000

841

98 000

676

0.1369

3.48


190 000

1310

154 000

1062

126 000

869

98 000

676

0.1285

3.26

8

195 000

1340

156 000

1076

128 000

883

99 500

686

0.1144

3.91

9

195 000

1340

156 000

1076

128 000

883

99 500

686

0.1019

2.59

10

195 000

1340

156 000

1076

128 000

883

99 500

686

0.0907

2.30

11

195 000

1340

156 000

1076

128 000

883

99 500

686

0.0808

2.05

12

195 000

1340

156 000

1076

128 000

883

99 500

686


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