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AACSR Conductor – Aluminum Alloy Conductor Steel Reinforced

AACSR Conductor for Overhead Transmission Lines

  • AACSR conductors are widely used for overhead transmission and distribution lines, especially in environments requiring:

    • Long spans (river crossings, mountainous areas)

    • High mechanical loads

    • Lightweight conductor with strong tensile capability

    • Corrosion-resistant installations
  • These conductors are particularly suitable for long-span transmission networks and harsh outdoor conditions.

 Save at least 30% on average

AACSR Conductor_1
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    Product Description

    AACSR Conductor : Product Description and Specifications

The AACSR (Aluminum Alloy Conductor Steel Reinforced) is engineered for environments that demand more than what standard ACSR can provide. By stranding Al-Mg-Si (Aluminum-Magnesium-Silicon) alloy wires around a high-strength galvanized or aluminum-clad steel core, we’ve created a conductor with a massive strength-to-weight ratio. This specific alloy combination doesn’t just conduct; it adds a layer of mechanical toughness that allows the cable to withstand high-tension spans and severe weather without compromising electrical efficiency. Whether your project involves river crossings or heavy-snow regions, the AACSR provides the extra “backbone” needed for long-term grid stability.

AACSR Conductor
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    Advantages

    AACSR Conductor : Benefits and Features

  • Tension Mastery: Al-Mg-Si alloy paired with high-tensile steel supports river crossings and long-span tower grids.

  • Sag Stability: High-strength alloy layers minimize mechanical sag under heavy ice and high wind loads.

  • Core Customization: Available with Class A/B/C galvanization or Aluminum-Clad (AW) steel to match regional corrosion specs.

  • Tower Savings: High strength-to-weight ratio reduces tower loads and expands span distances.

  • Harsh Environment Guard: Optional grease filling blocks oxidation in volatile coastal or industrial zones.

  • Grid Efficiency: Precision-stranded alloy ensures low line losses for long-distance transmission.

Specification Of AACSR Conductor

CategoryItemDetails
ConstructionDefinitionAACSR is a concentrically stranded conductor composed of one or more layers of Aluminium -Magnesium -Silicon Alloy wire stranded around a high strength coated steel core.
ConstructionCore StructureThe core can be of either single wire or stranded multi wire.
ConstructionCore Material OptionsAACSR is available with steel core of Class A, B or C galvanizing or Aluminium clad (AW).
ConstructionCorrosion ProtectionAdditional corrosion protection is available through the application of grease to the core or infusion of the complete cable with grease.
ConstructionPackagingConductor are supplied on Non returnable wooden / steel reels or Returnable steel reels.
StandardsASTMASTM B711 CONDUCTOR SIZES
StandardsIEC Group 1IEC Sizes IEC 61089 Standard A2/S1A A2/S3A
StandardsIEC Group 2IEC Sizes IEC 61089 Standard A3/S1A A3/S3A
StandardsDINAACSR-DIN Standard
StandardsFrenchFRENCH CONDUCTOR SIZES: Equal steel and Aluminum wire diameter, Non-equal steel and aluminum wire diameter

Dimensions/Parameters

AACSR (Aluminum Alloy Conductor, Steel Reinforced) ASTM B711 CONDUCTOR SIZES
Conductor Area (mm2)Alloy Area (mm2)Steel Area (mm2)No. of Alloy WiresDia of Alloy Wire (mm)No. of Steel WiresDia of Steel Wire (mm)Dia of Conductor (mm)Linear Weight (Kg/km)Rated Strength (daN)Maximum DC Resistance at 20°C (Ohm/km)
16314023262.6272.0416.656075000.240
17314033302.4472.4417.165087400.240
18616026262.8072.1817.764585600.210
19816038302.6172.6118.3740106000.210
20918029262.9772.3118.872595100.187
22218042302.7672.7619.3825112000.187
23220032263.1372.4319.8800106000.168
24720047302.9172.9120.4920124000.168
26022436263.3172.5721.0900118000.150
27622452303.0873.0821.61025139000.150
29125041263.5072.7222.21010129000.135
30825058303.2673.2622.81145156000.135
32628046263.7072.8823.41140144000.120
34528065303.4573.4524.21280171000.120
36731552263.9373.0624.91276163000.107
38731572303.66192.2025.61433190000.107
41335558264.1773.2426.41433183000.0950
43635581303.88192.3327.21614211000.0950
46540065264.4373.4528.11612207000.0842
49140091304.12192.4728.81816237000.0842
50945059543.26191.9629.51703215000.0748
56350063543.43192.0630.91873229000.0673
63156071543.63192.1832.72101257000.0601
71063080543.85192.3134.62365286000.0534
80071090544.09192.4536.82665322000.0474
901800101544.34192.6039.03000363000.0420
97390073843.69192.2140.63062355000.0374
1081100081843.89192.3342.83395391000.0337
1211112091844.12192.4745.33803439000.0300
13521250102844.35192.6147.84250490000.0270
IEC 61089 Standard Sizes: AACSR (Types A2/S1A & A2/S3A)
Code WordStranding Aluminium (mm)Stranding Steel (mm)Diameter (mm)Area Aluminium (mm2)Area Steel (mm2)Total Area (mm2)Weight (kg/km)Load kN (A2/S1A / A2/S3A)D.A. Resistance (ohm/km)
166/1.981/1.985.9318.43.0721.574.49.02/9.881.7934
256/2.471/2.477.4128.84.8033.6116.213.96/15.251.1478
406/3.131/3.139.3846.07.6753.7185.922.02/24.170.7174
636/3.921/3.9211.8072.512.1084.6292.834.68/37.580.4555
10018/2.851/2.8514.30115.06.39121.0366.441.24/42.970.2880
12518/3.191/3.1916.00144.07.99152.0458.051.23/53.470.2304
12526/2.657/2.0616.80144.023.40167.0579.969.86/76.420.2310
16018/3.611/3.6118.00184.010.20294.0586.265.58/68.030.1800
16026/3.007/2.3419.00184.030.00214.0742.388.52/96.6111.805
20018/4.041/4.0420.20230.012.80243.0732.881.97/85.040.1440
20026/3.367/2.6121.30230.037.50268.0927.9110.64/120.770.1444
25022/4.087/2.2723.10288.028.30316.01013.5117.09/124.720.1154
25026/3.757/2.9223.80288.046.90335.01159.8138.31/150.960.1155
31545/3.207/2.1425.60363.025.10388.01196.5136.28/143.300.0917
31526/4.217/3.2826.70363.059.00422.01461.4171.90/188.440.0917
40045/3.617/2.4128.90460.031.80492.01519.4172.10/180.360.0722
40054/3.297/3.2929.70460.059.70520.01738.3201.46/218.170.0723
45045/3.837/2.5530.60518.035.80554.01709.3193.61/203.280.0642
45054/3.497/3.4931.50518.067.10585.01955.6226.64/245.440.0643
50045/4.047/2.6932.30575.039.80615.01899.3215.12/225.860.0578
50054/3.687/3.6833.20575.074.60650.02172.9251.82/269.730.0578
56045/4.277/2.8534.20645.044.60690.02127.2240.93/252.970.0516
56054/3.9019/2.3435.10645.081.60727.02420.9283.21/305.250.0516
63072/3.587/2.3935.80725.031.30756.02248.0249.62/258.080.0459
63054/4.1319/2.4847.20725.091.80817.02723.5318.61/343.400.0459
71072/3.807/2.5338.00817.035.30852.02533.4281.32/290.850.0407
71054/4.3919/2.6339.50817.0104.00921.03069.4359.06/387.010.0407
80072/4.047/2.6940.40921.039.80961.02854.6316.98/327.720.0361
80084/3.747/3.7441.10921.076.70998.03145.1356.03/374.440.0362
90072/4.287/2.8542.801036.044.801081.03211.4356.60/368.690.0321
90084/3.967/3.9643.601036.086.301122.03538.3400.53/421.250.0322
100084/4.2819/2.5145.901151.093.701245.03916.8446.37/471.670.0289
112084/4.4219/2.6548.601289.0105.001394.04386.8449.93/528.270.0258
Further IEC 61089 Configurations: AACSR (Types A3/S1A & A3/S3A)
Code WordStranding Aluminium (mm)Stranding Steel (mm)Diameter (mm)Area Aluminium (mm2)Area Steel (mm2)Total Area (mm2)Weight (kg/km)Load kN (A2/S1A / A2/S3A)D.A. Resistance (ohm/km)
166/1.981/1.985.9318.43.0721.574.49.02/9.881.7934
256/2.471/2.477.4128.84.8033.6116.213.96/15.251.1478
406/3.131/3.139.3846.07.6753.7185.922.02/24.170.7174
636/3.921/3.9211.8072.512.1084.6292.834.68/37.580.4555
10018/2.851/2.8514.30115.06.39121.0366.441.24/42.970.2880
12518/3.191/3.1916.00144.07.99152.0458.051.23/53.470.2304
12526/2.657/2.0616.80144.023.40167.0579.969.86/76.420.2310
16018/3.611/3.6118.00184.010.20294.0586.265.58/68.030.1800
16026/3.007/2.3419.00184.030.00214.0742.388.52/96.6111.805
20018/4.041/4.0420.20230.012.80243.0732.881.97/85.040.1440
20026/3.367/2.6121.30230.037.50268.0927.9110.64/120.770.1444
25022/4.087/2.2723.10288.028.30316.01013.5117.09/124.720.1154
25026/3.757/2.9223.80288.046.90335.01159.8138.31/150.960.1155
31545/3.207/2.1425.60363.025.10388.01196.5136.28/143.300.0917
31526/4.217/3.2826.70363.059.00422.01461.4171.90/188.440.0917
40045/3.617/2.4128.90460.031.80492.01519.4172.10/180.360.0722
40054/3.297/3.2929.70460.059.70520.01738.3201.46/218.170.0723
45045/3.837/2.5530.60518.035.80554.01709.3193.61/203.280.0642
45054/3.497/3.4931.50518.067.10585.01955.6226.64/245.440.0643
50045/4.047/2.6932.30575.039.80615.01899.3215.12/225.860.0578
50054/3.687/3.6833.20575.074.60650.02172.9251.82/269.730.0578
56045/4.277/2.8534.20645.044.60690.02127.2240.93/252.970.0516
56054/3.9019/2.3435.10645.081.60727.02420.9283.21/305.250.0516
63072/3.587/2.3935.80725.031.30756.02248.0249.62/258.080.0459
63054/4.1319/2.4847.20725.091.80817.02723.5318.61/343.400.0459
71072/3.807/2.5338.00817.035.30852.02533.4281.32/290.850.0407
71054/4.3919/2.6339.50817.0104.00921.03069.4359.06/387.010.0407
80072/4.047/2.6940.40921.039.80961.02854.6316.98/327.720.0361
80084/3.747/3.7441.10921.076.70998.03145.1356.03/374.440.0362
90072/4.287/2.8542.801036.044.801081.03211.4356.60/368.690.0321
90084/3.967/3.9643.601036.086.301122.03538.3400.53/421.250.0322
100084/4.2819/2.5145.901151.093.701245.03916.8446.37/471.670.0289
112084/4.4219/2.6548.601289.0105.001394.04386.8449.93/528.270.0258
AACSR-DIN Standard
Conductor Area TypeAlloy Area (mm2)Steel Area (mm2)No. of Alloy WiresDia of Alloy Wire (mm)Number of Steel WiresDiameter of Steel Wire (mm)Diameter of Conductor (mm)Linear Mass (kg/km)Nominal Breaking Load (daN)Maximum DC Resistance at 20°C (Ohm/km)
16/2.515.272.5461.811.85.4627482.18
25/423.863.9862.2512.286.89711711.3952
35/634.355.7362.712.78.114016850.9689
44/3243.9831.6714272.411.237350270.7625
Aug-5048.258.0463.213.29.619623660.6898
50/3051.1729.85122.3372.3311.737850240.6547
Dec-7069.8911.4261.8571.4411.728433990.4791
95/1594.3915.33262.1571.6713.638345820.3547
95/5596.5156.3123.273.21671494750.3471
105/75105.6775.55143.1192.2517.5899120140.3174
120/20121.5719.85262.4471.915.549459140.2754
120/70122.1571.25123.673.618904119120.2742
125/30127.9229.85302.3372.3316.359072800.2621
150/25148.8624.25262.772.117.160472360.2249
170/40171.7740.08302.772.718.979497750.1952
185/30183.7829.8526372.331974489220.1822
210/35209.134.09263.272.4920.3848101670.1601
210/50212.0649.483037321979120680.1581
230/30230.9129.85243.572.3321874103080.1449
240/40243.0539.49263.4572.6821.8985118020.1378
265/35263.6634.09243.7472.4922.4998117710.1269
300/50304.2649.48263.867324.51233147790.1101
305/40304.6239.49542.6872.6824.11155136120.1101
340/30339.2929.8548372.33251174134940.0988
380/50381.749.4854373271448170560.0879
385/35386.0434.09483.272.4926.71336153690.0868
435/55434.2956.3543.273.228.81647194060.0772
450/40448.7139.49483.4572.6828.71553178480.0747
490/65490.2863.55543.673.430.61860219070.0684
550/70549.6571.25543.473.632.42085245600.061
560/50561.749.48483.867332.21943223480.0597
680/85678.5885.95544192.4362564300840.0494
FRENCH CONDUCTOR SIZES Equal steel and Aluminum wire diameter
Code NameNominal Size/AreaAl Alloy Area (mm2)Steel Wire Area (mm2)No. Of Al Alloy WiresNo. Of St WiresDia of Wire (mm)Overall Dia of Conductor (mm)Tens Str of AL Alloy (hbar)Tens Str of Steel (hbar)Rated Str of Conductor (daN)Max DC Resist at 20°C (Ohm/km)Linear Weight (Kg/km)Elasticity Mod (hbar)Coefficient Of Linear Expansion (/°C)
PHLOX37.728.279.42932.008.332.4156.823601.17155930017.0 x 10^-6
PHLOX59.737.7021.991272.0010.032.4156.845600.8802761080015.3 x 10^-6
PHLOX75.547.7127.831272.2511.2532.4156.857700.6953481080015.3 x 10^-6
PHLOX116.256.5559.6918192.0014.032.4156.8108150.5806361240014.2 x 10^-6
PHLOX147.171.5775.5418192.2515.7532.4156.8136850.4668021240014.2 x 10^-6
PASTEL147.1119.2827.833072.2515.7532.4156.881850.279547840018.1 x 10^-6
PHLOX181.688.3693.2718192.5017.532.4156.8168950.3789901240014.2 x 10^-6
PASTEL181.6147.2634.363072.5017.532.4156.8101200.227675840018.1 x 10^-1
PHLOX228110.83116.9918192.8019.632.4156.8212000.30012441240014.2 x 10^-1
PASTEL228184.7243.103072.8019.632.4156.8126800.180848840018.1 x 101
PHLOX288140.28148.0718193.1522.0532.4156.8268000.23715701240014.2 x 101
PASTEL288233.8054.553073.1522.0532.4156.8160500.1421074840018.0 x 101
PASTEL299205.1793.2742192.5022.532.4156.8208750.1621320965016.3 x 10^-1
PHLOX376147.78227.8324372.8025.232.4156.8389600.22522111300013.5 x 10^-1
FRENCH CONDUCTOR SIZES Non-equal steel and aluminum wire diameter
Code NameNominal AreaAl Alloy Area (mm2)Steel Area (mm2)No. & Dia Of Al Alloy WiresNo. & Dia Of Steel WiresOverall Dia of Conductor (mm)Tens Str of Al Alloy (hbar)Tens Str of Steel (hbar)Rated Str of Conductor (daN)Max DC Resist at 20°C (Ohm/km)Linear Weight (Kg/km)Elast Mod (hbar)Coefficient Of Linear Expansion (/°C)
PHLOX94.151.9542.1215 x 2.1019 x 1.6812.832.4156.880350.6424811120014.7 x 10^1
PASTEL412325.7285.9532 x 3.6019 x 2.4026.432.4156.8238300.1031593820017.8 x 10^-1
PETUNIA612507.80104.7966 x 3.1319 x 2.6532.132.4156.8328300.06572241775018.6 x 101
PETUNIA865717.33148.0666 x 3.7219 x 3.1538.132.4156.8460000.04653174775018.5 x 101
POLYGONUM1185956.66227.8254 x 2.80 / 66 x 3.4737 x 2.8044.732.4156.8663850.03494475775018.1 x 101
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    Production Processes Of Overhead Bare Conductors

JOCA operates a digitalized production line specifically for manufacturing overhead bare conductors. The process flow starts with raw aluminum rod inspection, moving through high-speed wire drawing and precision stranding within a single, data-tracked environment. To prevent defects, we’ve integrated intelligent sensors that monitor the diameter and surface smoothness of every conductor layer in real-time. This automated setup utilizes laser measurement technology to enforce strict adherence to ASTM, IEC, and BS standards. By removing manual variability, the system ensures that every reel of AAC, AAAC, or ACSR maintains consistent tensile strength and stable electrical performance, even under extreme environmental exposure.

 

Production Processes Of Photovoltaic Wire

Packing For Shipment

To meet various transportation needs, there are many methods of packaging that can be used.

Packing For Shipment

Have more questions?

We’ve compiled the most common questions regarding specifications, safety standards, and applications below. If you don't see what you're looking for, or have a specific custom requirement, just contact our engineering team directly.

Q: What is the core technical difference between AACSR and ACSR?

A: Material composition is the key. While ACSR uses pure 1350 aluminum, AACSR utilizes Al-Mg-Si alloy. This substitution significantly enhances the conductor’s tensile strength and sag performance, making it a “heavy-duty” alternative to standard ACSR.

 

Q: When is AACSR preferred over AAAC or standard ACSR?

 A: AACSR is the ideal middle ground for extreme spans. It offers more mechanical “muscle” than all-alloy AAAC and better structural stability than ACSR, specifically in regions where long distances between towers are mandatory.

 

Q: What role does the steel core play in this alloy conductor?

 A: The galvanized or aluminum-clad steel acts as the primary tension member. It handles the raw mechanical load, allowing the Al-Mg-Si alloy layers to focus on electrical delivery without stretching or snapping under high tension.

 

Q: Is grease filling necessary for AACSR?

A: It depends on the installation site. While not mandatory, we recommend grease for coastal or high-pollution industrial zones. It provides a critical oxidation barrier for the steel core, extending the grid’s overall service life.

 

Q: How does AACSR perform under high thermal loads?

A: It excels in high-temperature scenarios. The Al-Mg-Si alloy offers superior creep resistance compared to pure aluminum, meaning the conductor maintains its ground clearance even during peak summer power demands.

 

Q: Can I specify an Aluminum-Clad Steel (AW) core for AACSR?

A: Absolutely. We provide AW steel cores for projects requiring maximum corrosion protection. The aluminum-to-aluminum interface between the core and the strands eliminates bi-metallic corrosion risks.

 

Q: What are the standard packaging options for large projects?

A: We offer a range of reinforced wooden reels and steel drums. Packaging is determined by the conductor’s total weight and the terrain of the job site to ensure safe handling during stringing operations.

 

 

Q: How do I request a technical datasheet or bulk quotation?

A: Please submit your project specifications through our “Inquiry” portal or contact our engineering department directly. We provide full sag-tension charts and customized pricing based on your required span distances.

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