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ASTM standard aluminium conductor steel reinforced ACSR

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ACsr conductor DESCRIPTION
ACSR is a composite concentric-lay stranded conductor consisting of a central steel core around which are stranded one or more layers of aluminum alloy 1350-H19 wires. The steel core may consist of a single wire, 7, 19, 37 or more concentrically stranded wires. They are normally protected against corrosion by a zinc coating. The standard Class A coating is usually adequate for ordinary environments. Heavier Class B or Class C coatings may be specified for greater protection. A special high-strength steel core with a Class A coating is also available.

Features and Benefits
ACSR conductors have a long service record due to their economy, dependability and favourable strength to weight ratio. Such conductors combine the light weight and high conductivity of the aluminum wires with the tensile strength and ruggedness of the steel core. For overhead line design, this enables higher tensions to be used with less conductor sag and longer spans than would be possible with most other types of conductors.

Applications:Aluminum conductors, steel reinforced (ACSR) are widely used for overhead transmission and distribution lines.

ALUMINUM CONDUCTOR STEEL REINFORCED (ACSR) PHYSICAL DATA

Codeword

 Size
(AWG or 
kcmil)

No. of 
Wires

Diameter (inch)

Weight (lb/kft)

Rated 
Strength 
(lbf)

Steel 
Wire

Al 
Wire

Steel 
Core

Complete 
Conductor

Al

Steel

Total

Turkey

6

6/1

0.0661

0.0661

0.066

0.198

24.4

11.6

36.0

1190

Swan

4

6/1

0.0834

0.0834

0.083

0.250

39.0

18.4

57.4

1860

Swanate

4

7/1

0.1029

0.0772

0.103

0.257

39.0

28.0

67.0

2360

Sparrow

2

6/1

0.1052

0.1052

0.105

0.316

61.9

29.3

91.2

2850

Sparate

2

7/1

0.1299

0.0974

0.130

0.325

62.3

44.7

107.0

3640

Robin

1

6/1

0.1181

0.1181

0.118

0.355

78.1

36.9

115.0

3550

Raven

1/0

6/1

0.1327

0.1327

0.133

0.398

98.4

46.6

145.0

4380

Quail

2/0

6/1

0.1489

0.1489

0.149

0.447

124.2

58.8

183.0

5310

Pigeon

3/0

6/1

0.1672

0.1672

0.167

0.502

155.9

74.1

230.0

6620

Penguin

4/0

6/1

0.1878

0.1878

0.188

0.563

197.6

93.4

291.0

8350

Waxwing

266.8

18/1

0.1217

0.1217

0.122

0.609

249.8

39.2

289.0

6880

Partridge

266.8

26/7

0.0788

0.1013

0.236

0.642

250.4

115.6

366.0

11300

Merlin

336.4

18/1

0.1367

0.1367

0.137

0.684

315.5

49.5

365.0

8680

Linnet

336.4

26/7

0.0884

0.1137

0.265

0.720

316.5

145.5

462.0

14100

Oriole

336.4

30/7

0.1059

0.1059

0.318

0.741

317.0

209.0

526.0

17300

Chickadee

397.5

18/1

0.1486

0.1486

0.149

0.743

372.5

58.5

431.0

9940

Ibis

397.5

26/7

0.0961

0.1236

0.288

0.783

374.1

171.9

546.0

16300

Pelican

477

18/1

0.1628

0.1628

0.163

0.814

446.8

70.2

517.0

11800

Flicker

477

24/7

0.0940

0.1410

0.282

0.846

449.5

164.5

614.0

17200

Hawk

477

26/7

0.1053

0.1354

0.316

0.858

448.6

206.4

655.0

19500

Hen

477

30/7

0.1261

0.1261

0.378

0.883

449.7

296.3

746.0

23800

Osprey

556.5

18/1

0.1758

0.1758

0.176

0.879

521.1

81.9

603.0

13700

Parakeet

556.5

24/7

0.1015

0.1523

0.305

0.914

524.2

191.8

716.0

19800

Dove

556.5

26/7

0.1138

0.1463

0.341

0.927

523.9

241.1

765.0

22600

Rook

636

24/7

0.1085

0.1628

0.326

0.977

598.8

219.2

818.0

22000

Grosbeak

636

26/7

0.1216

0.1564

0.365

0.990

598.7

275.3

873.0

25200

Drake

795

26/7

0.1360

0.1749

0.408

1.108

749.0

344.0

1093

31500

Tern

795

45/7

0.0886

0.1329

0.266

1.063

748.9

146.1

895

22100

Rail

954

45/7

0.0971

0.1456

0.291

1.165

899

176

1075

25900

Cardinal

954

54/7

0.1329

0.1329

0.399

1.960

899

329

1228

33800

Curlew

1033.5

54/7

0.1383

0.1383

0.415

1.245

973

356

1329

36600

Bluejay

1113

45/7

0.1049

0.1573

0.315

1.259

1049

205

1254

29800

Bittern

1272

45/7

0.1121

0.1680

0.336

1.345

1198

234

1432

34100

Lapwing

1590

45/7

0.1253

0.1880

0.376

1.504

1498

292

1790

42200

Bluebird

2156

84/19

0.0961

0.1602

0.481

1.762

2040

468

2508

60300

ALUMINUM CONDUCTOR STEEL REINFORCED (ACSR) ELECTRICAL DATA

Codeword

Size 
(AWG or 
kcmil)

Resistance (ohm/kft)

Reactance at 60 Hz**

Ampacity* 
(A)

DC at 
20°C

AC at 
25°C

AC at 
50°C

AC at 
75°C

Capacitve 
(megohm-kft)

Inductive 
at 25°C 
(ohm/kft)

Inductive 
at 50°C 
(ohm/kft)

Inductive 
at 75°C 
(ohm/kft)

Turkey

6

0.642

0.655

0.750

0.816

0.751

0.120

0.139

0.144

105

Swan

4

0.403

0.412

0.479

0.522

0.715

0.115

0.131

0.137

140

Swanate

4

0.399

0.407

0.463

0.516

0.710

0.113

0.124

0.130

140

Sparrow

2

0.253

0.259

0.308

0.336

0.678

0.110

0.123

0.128

185

Sparate

2

0.251

0.256

0.297

0.330

0.674

0.109

0.118

0.121

185

Robin

1

0.201

0.206

0.247

0.270

0.660

0.107

0.119

0.122

210

Raven

1/0

0.159

0.163

0.197

0.216

0.642

0.104

0.114

0.116

240

Quail

2/0

0.126

0.130

0.162

0.176

0.624

0.102

0.112

0.113

275

Pigeon

3/0

0.100

0.103

0.121

0.145

0.606

0.0992

0.108

0.109

315

Penguin

4/0

0.0795

0.0822

0.107

0.116

0.597

0.0964

0.105

0.105

365

Waxwing

266.8

0.0644

0.0657

0.0723

0.0788

0.576

0.0903

0.0903

0.0903

445

Partridge

266.8

0.0637

0.0652

0.0714

0.0778

0.565

0.0881

0.0881

0.0881

455

Merlin

336.4

0.0510

0.0523

0.0574

0.0625

0.560

0.0826

0.0826

0.0826

515

Linnet

336.4

0.0506

0.0517

0.0568

0.0619

0.549

0.0854

0.0854

0.0854

530

Oriole

336.4

0.0502

0.0513

0.0563

0.0614

0.544

0.0843

0.0843

0.0843

530

Chickadee

397.5

0.0432

0.0443

0.0487

0.0528

0.544

0.0856

0.0856

0.0856

575

Ibis

397.5

0.0428

0.0438

0.0481

0.0525

0.539

0.0835

0.0835

0.0835

590

Pelican

477

0.0360

0.0369

0.0405

0.0441

0.528

0.0835

0.0835

0.0835

640

Flicker

477

0.0358

0.0367

0.0403

0.0439

0.524

0.0818

0.0818

0.0818

670

Hawk

477

0.0357

0.0366

0.0402

0.0438

0.522

0.0814

0.0814

0.0814

660

Hen

477

0.0354

0.0362

0.0398

0.0434

0.517

0.0803

0.0803

0.0803

660

Osprey

556.5

0.0309

0.0318

0.0348

0.0379

0.518

0.0818

0.0818

0.0818

710

Parakeet

556.5

0.0307

0.0314

0.0347

0.0377

0.512

0.0801

0.0801

0.0801

720

Dove

556.5

0.0305

0.0314

0.0345

0.0375

0.510

0.0795

0.0795

0.0795

730

Rook

636

0.0268

0.0277

0.0303

0.0330

0.502

0.0786

0.0786

0.0786

780

Grosbeak

636

0.0267

0.0275

0.0301

0.0328

0.499

0.0780

0.0780

0.0780

790

Drake

795

0.0214

0.0222

0.0242

0.0263

0.482

0.0756

0.0756

0.0756

910

Tern

795

0.0216

0.0225

0.0246

0.0267

0.488

0.0769

0.0769

0.0769

890

Rail

954

0.0180

0.0188

0.0206

0.0223

0.474

0.0748

0.0748

0.0748

970

Cardinal

954

0.0179

0.0186

0.0205

0.0222

0.470

0.0737

0.0737

0.0737

990

Curlew

1033.5

0.0165

0.0172

0.0189

0.0205

0.464

0.0729

0.0729

0.0729

1040

Bluejay

1113

0.0155

0.0163

0.0178

0.0193

0.461

0.0731

0.0731

0.0731

1070

Bittern

1272

0.0135

0.0144

0.0157

0.0170

0.451

0.0716

0.0716

0.0716

1160

Lapwing

1590

0.0108

0.0117

0.0128

0.0138

0.434

0.0689

0.0689

0.0689

1340

Bluebird

2156

0.00801

0.00903

0.00977

0.0105

0.409

0.0652

0.0652

0.0652

1610

* Ampacity is with sun and wind at 2 ft/s

** Reactance at 1 foot equivalent spacing

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