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ACAR Conductor ASTM B524 Standard - Aluminum Alloy Reinforced Cable
ACAR Conductor ASTM B524 Standard - Aluminum Alloy Reinforced Cable

ACAR Conductor ASTM B524 Standard - Aluminum Alloy Reinforced Cable

The ACAR Conductor ASTM B524 Standard is a high-performance Aluminum Conductor Alloy Reinforced designed for efficient overhead power transmission and distribution. It consists of concentrically stranded 1350-H19 aluminum wires surrounding a high-strength 6201-T81 aluminum-magnesium-silicon alloy core, providing an outstanding balance of electrical conductivity and mechanical strength. This construction delivers higher ampacity and better strength-to-weight ratio than equivalent ACSR conductors at the same weight, while offering superior corrosion resistance without steel core concerns. Compliant with ASTM B524, B230, and B398, the ACAR Conductor undergoes rigorous quality testing from raw materials to finished product. It features low DC resistance, reduced sag, and long service life, making it ideal for new lines or reconductoring projects where optimized performance and cost-effectiveness are essential.
Construction 1350-H19 aluminum + 6201-T81 alloy core
Standard ASTM B524 / B524M
Construction
Technical Specifications
Quality Control
Application

Construction

ACAR Conductor ASTM B524 Standard
ACAR Conductor ASTM B524 Standard Construction

Key Product Features

Excellent strength-to-weight ratio compared to ACSR or AAC
Superior corrosion resistance with all-aluminum alloy design
Higher ampacity for the same conductor weight
Low sag performance under high temperatures
Fully compliant with ASTM B524, B230, and B398 standards

Key Properties

High conductivity, optimized tensile strength, low DC resistance

Temperature Rating

Suitable for continuous high-load operation up to 90°C or higher

Technical Specifications

ACAR Conductor ASTM B524 Standard - Aluminum Alloy Reinforced Cable
ASTM B524/B524M
Size Nº of 1350
wires/mm
Nº of 6201
wires/mm
Overall cable diameter Mass Rated strength Nominal dc resistance at
20 °C
Ampacity
AWG mm² mm kg/km kgf Ω/km Sun. no wind Sun and wind No sun and wind
4 21.1 4/1.96 3/1.96 5.88 58.22 507.5 1.4757 81 135 141
2 33.63 4/2.47 3/2.47 7.42 92.55 793.8 0.9282 111 180 189
1/0 53.51 4/3.12 3/3.12 9.36 147.3 1221.9 0.5833 153 241 255
2/0 67.44 4/3.50 3/3.50 10.51 185.6 1502.5 0.4628 179 278 296
3/0 85.03 4/3.93 3/3.93 11.8 234 1861.4 0.3671 211 322 343
195.7 99.16 4/4.25 3/4.25 12.74 272.9 2170.9 0.3148 234 355 379
4/0 107.22 4/4.42 3/4.42 13.25 295.1 2347.3 0.2911 247 373 398
250 126.68 12/2.91 7/2.91 14.57 348.8 2813.8 0.2442 280 417 447
300 152.01 12/3.20 7/3.20 15.96 418.6 3344 0.2035 317 467 502
350 177.35 15/3.45 4/3.45 17.24 488.7 3390 0.1704 356 520 560
350 177.35 12/3.45 7/3.45 17.24 488.3 3816 0.1744 353 515 555
355 179.88 12/3.47 7/3.47 17.36 495.3 3871 0.1720 356 519 560
392.5 198.88 24/2.62 13/2.62 18.3 547.7 4277 0.1551 382 554 598
400 202.68 12/3.69 7/3.69 18.4 558.1 4318 0.1526 387 560 606
450 228.02 12/3.91 7/3.91 19.54 627.8 4810 0.1357 419 603 653
450 228.02 18/2.80 19/2.80 19.61 627.3 5401 0.1387 416 597 647
450 228.02 15/3.91 4/3.91 19.54 628.4 4240 0.1325 423 609 659
465.9 236.08 12/3.98 7/3.98 19.89 650 4980 0.1310 430 616 668
465.9 236.08 18/2.85 19/2.85 19.95 649.5 5592 0.1339 426 611 662
500 253.35 12/4.12 7/4.12 20.6 697.6 5344 0.1221 451 644 698
500 253.35 18/2.95 19/2.95 20.7 697 6001 0.1248 447 638 693
500 253.35 30/2.95 7/2.95 20.7 698.3 4901 0.1189 456 651 706
500 253.35 24/2.95 13/2.95 20.7 697.7 5395 0.1218 451 644 699
550 278.69 18/3.10 19/3.10 21.68 766.7 6556 0.1135 478 678 737
550 278.69 15/4.32 4/4.32 21.61 768 5183 0.1084 486 689 749
600 304.02 18/3.23 19/3.23 22.64 836.4 7152 0.1040 506 714 777
600 304.02 24/3.24 13/3.24 22.64 837.2 6409 0.1015 512 723 787
650 329.36 18/3.37 19/3.37 23.57 906.1 7534 0.0960 536 753 821
650 329.36 24/3.37 13/3.37 23.57 907 6798 0.0937 541 761 829
700 354.7 30/3.49 7/3.49 24.46 977.6 6680 0.0849 573 802 876
700 354.7 18/3.49 19/3.49 24.46 975.9 8114 0.0891 562 786 858
700 354.7 24/3.49 13/3.49 24.46 976.7 7240 0.0870 568 794 867
739.8 374.86 18/3.59 19/3.59 25.14 1031 8514 0.0844 584 815 890
750 380.03 33/3.62 4/3.62 25.31 1048 6525 0.0783 606 843 922
750 380.03 30/3.62 7/3.62 25.31 1047 7056 0.0793 603 839 918
750 380.03 18/3.62 19/3.62 25.31 1046 8631 0.0832 591 823 900
750 380.03 24/3.62 13/3.62 25.31 1046 7763 0.0812 597 831 909
800 405.37 18/3.74 19/3.74 26.14 1115 9207 0.0780 617 855 936
800 405.37 24/3.74 13/3.74 26.14 1116 8280 0.0761 623 864 946
850 430.7 18/3.85 19/3.85 26.95 1185 9711 0.0734 642 888 973
850 430.7 24/3.85 13/3.85 26.95 1186 8706 0.0716 649 897 983
853.7 432.58 24/3.86 13/3.86 27.01 1191 8744 0.0713 651 900 986
853.7 432.58 30/3.86 7/3.86 27.01 1192 7917 0.0696 658 909 996
900 456.04 18/3.96 19/3.96 27.7 1255 10283 0.0693 667 920 1009
900 456.04 24/3.96 13/3.96 27.73 1256 9219 0.0677 674 929 1019
900 456.04 30/3.96 7/3.96 27.7 1257 8347 0.0661 681 938 1029
918 465.16 18/4.00 19/4.00 28 1280 10488 0.0680 677 931 1022
927.2 469.82 18/4.02 19/4.02 28.1 1293 10593 0.0673 681 937 1028
950 481.37 18/4.07 19/4.07 28.49 1324 10854 0.0657 693 951 1044
950 481.37 30/4.07 7/4.07 28.5 1327 8810 0.0626 706 970 1065
950 481.37 24/4.07 13/4.07 28.49 1326 9731 0.0641 699 960 1055
1000 506.71 18/4.18 19/4.18 29.23 1394 11425 0.0624 717 981 1079
1000 506.71 54/3.25 7/3.25 29.27 1397 8890 0.0588 734 1005 1105
1000 506.71 30/4.18 7/4.18 29.23 1397 9274 0.0594 732 1002 1101
1000 506.71 42/3.25 19/3.25 29.27 1396 10211 0.0605 726 994 1092
1000 506.71 33/3.25 28/3.25 29.27 1394 10981 0.0619 720 985 1083
1024.5 519.12 30/4.23 7/4.23 29.59 1431 9501 0.0580 743 1016 1117
1024.5 519.12 18/4.23 19/4.23 29.59 1429 11707 0.0609 729 996 1096
1024.5 519.12 24/4.23 13/4.23 29.59 1430 10494 0.0594 736 1006 1106
1080.6 547.55 24/4.34 13/4.34 30.39 1508 11069 0.0563 762 1039 1144
1080.6 547.55 18/4.34 19/4.34 30.39 1506 12346 0.0578 755 1029 1133
1100 557.38 24/4.38 13/4.38 30.66 1535 11267 0.0554 772 1050 1157
1100 557.38 18/4.38 19/4.38 30.66 1533 12568 0.0567 764 1040 1146
1100 557.38 30/4.38 7/4.38 30.66 1536 10201 0.0540 779 1061 1168
1100 557.38 48/3.41 13/3.41 30.7 1536 10408 0.0542 778 1059 1167
1100 557.38 42/3.41 19/3.41 30.7 1535 11232 0.0550 774 1053 1160
1172 593.86 18/4.52 19/4.52 31.64 1634 13390 0.0532 797 1081 1192
1198 607.04 30/4.57 7/4.57 31.99 1673 11110 0.0496 824 1116 1232
1198 607.04 24/4.57 13/4.57 31.99 1672 12271 0.0508 817 1106 1220
1200 608.05 18/4.57 19/4.57 32.02 1673 13710 0.0520 810 1096 1210
1200 608.05 24/4.57 13/4.57 32.02 1674 12292 0.0507 817 1106 1220
1200 608.05 30/4.57 7/4.57 32.02 1676 11129 0.0495 825 1118 1233
1200 608.05 48/3.56 13/3.56 32.06 1676 11202 0.0497 825 1117 1232
1250 633.38 30/4.67 7/4.67 32.68 1746 11592 0.0476 848 1146 1265
1250 633.38 48/3.64 13/3.64 32.72 1746 11668 0.0477 847 1144 1264
1250 633.38 54/3.64 7/3.64 32.72 1746 10933 0.0470 852 1151 1271
1250 633.38 33/3.64 28/3.64 32.72 1743 13615 0.0495 835 1128 1246
1300 658.72 42/3.71 19/3.71 33.37 1814 13126 0.0466 864 1165 1288
1300 658.72 18/4.76 19/4.76 33.33 1812 14853 0.0480 854 1151 1272
1300 658.72 30/4.76 7/4.76 33.33 1816 12056 0.0457 870 1173 1296
1303 660.24 54/3.04 37/3.04 33.43 1818 14367 0.0471 861 1160 1283
1361.5 689.88 54/3.79 7/3.79 34.15 1902 11908 0.0432 900 1209 1338
1400 709.39 33/3.85 28/3.85 34.63 1952 15123 0.0442 900 1207 1336
1400 709.39 48/3.85 13/3.85 34.63 1955 12890 0.0426 913 1224 1355
1400 709.39 42/3.85 19/3.85 34.63 1954 13976 0.0432 907 1217 1348
1400 709.39 54/3.85 7/3.85 34.63 1956 12044 0.0420 918 1231 1363
1500 760.06 33/3.98 28/3.98 35.85 2092 16203 0.0413 941 1257 1394
1500 760.06 42/3.98 19/3.98 35.85 2093 14974 0.0404 949 1268 1406

Quality Control

ACAR Conductor ASTM B524 Standard - Aluminum Alloy Reinforced Cable
Raw Material Test

Raw Material Test

Raw Material Test is the foundational quality step for the ACAR Conductor ASTM B524 Standard. Incoming 1350 aluminum rods and 6201-T81 aluminum alloy rods undergo comprehensive chemical composition analysis to verify purity and exact alloy elements. Mechanical testing confirms tensile strength, elongation, and hardness meet ASTM B230 and B398 requirements for 1350-H19 and 6201-T81 materials. Electrical conductivity testing ensures 1350-H19 wires achieve minimum 61.2% IACS while maintaining required strength for the alloy core. Surface quality inspection and precise dimensional measurements detect any defects, inclusions, or diameter variations. Metallographic examination verifies uniform grain structure. Only raw materials that fully pass every stringent criterion are approved for wire drawing and stranding in the production of the ACAR Conductor ASTM B524. This thorough incoming inspection guarantees consistent high conductivity, mechanical performance, and long-term durability in overhead applications.

 

Process inspection

Process inspection

Process Inspection during manufacturing of the ACAR Conductor ASTM B524 Standard maintains tight control at every production stage. After drawing wires to precise diameters for both 1350 aluminum and 6201-T81 alloy, continuous monitoring verifies dimensional tolerances and surface quality. The concentric stranding operation employs real-time tension control and lay length verification to achieve uniform layers with the alloy core properly surrounded by aluminum wires. Online diameter measurement systems and frequent visual inspections prevent defects such as loose strands or uneven configuration. Key process parameters including speed and temperature are strictly logged and controlled. Mid-process sampling includes partial resistance and mechanical property tests. Any deviation triggers immediate corrective action. These rigorous in-process controls safeguard the structural integrity and electrical excellence of the ACAR Conductor ASTM B524, delivering a reliable bare conductor suitable for demanding overhead utility service

 

 

Finished Product

Finished Product

Finished Product testing ensures every reel of ACAR Conductor ASTM B524 Standard meets the highest quality criteria. Comprehensive dimensional verification confirms overall diameter, strand count, alignment, and lay consistency. DC resistance is measured at 20°C to validate compliance with ASTM B524 maximum limits. Mechanical tests determine rated breaking strength and elongation properties. Full visual and tactile inspections check for surface imperfections. All examinations strictly follow ASTM B524 requirements with detailed records maintained for full batch traceability. Packaging and marking accuracy are also verified. Only the ACAR Conductor ASTM B524 that successfully passes 100% of these final inspections receives approval for shipment. This rigorous final quality gate assures customers of outstanding conductivity, mechanical strength, corrosion resistance, and reliable performance in overhead transmission and distribution lines.

 

Application

ACAR Conductor ASTM B524 is widely applied in overhead transmission and distribution lines, especially in corrosive environments or where higher capacity and longer spans are required. It excels in reconductoring and new line constructions needing balanced performance.

Technical Advantages

● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions

Product Packaging

Wires and Cables packaging (1)
Wires and Cables packaging (1)
Wires and Cables packaging (2)
Wires and Cables packaging (2)
Wires and Cables packaging (3)
Wires and Cables packaging (3)
Wires and Cables packaging (4)
Wires and Cables packaging (4)
Wires and Cables packaging (5)
Wires and Cables packaging (5)
Wires and Cables packaging (6)
Wires and Cables packaging (6)
Wires and Cables packaging (7)
Wires and Cables packaging (7)
Wires and Cables packaging (8)
Wires and Cables packaging (8)

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FAQ From Customers

What are the advantages of power cables and overhead lines?
(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people;
(2) The maintenance workload is small and frequent inspections are not required;
(3) No need to erect towers;
(4) Help improve power factor.
Which aspects should be considered when choosing the cross section of a power cable?
(1) The long-term allowable working current of the cable;
(2) Thermal stability once short circuited;
(3) The voltage drop on the line cannot exceed the allowable working range.
What are the measures for cable fire prevention?
(1) Use flame-retardant cables;
(2) Use fireproof cable tray;
(3) Use fireproof paint;
(4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.;
(5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
What should be paid attention to during the transportation and handling of cables?
(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat.
(2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
What inspections should be carried out for the acceptance of cable lines?
(1) The cable specifications should meet the regulations, the arrangement should be neat, no damage, and the signs should be complete, correct and clear;
(2) The fixed bending radius of the cable, the related distance and the wiring of the metal sheath of the single-core power cable should meet the requirements;
(3) The cable terminal and the middle head should not leak oil, and the installation should be firm. The oil pressure of the oil-filled cable and the meter setting should meet the requirements;
(4) Good grounding;
(5) The color of the cable terminal is correct, and the metal parts such as the bracket are completely painted;
(6) There should be no debris in the cable trench, tunnel, and bridge, and the cover should be complete.

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