Stranded Bare Aluminium Conductor Steel Reinforced (ACSR)
Conductor Type
Stranded Aluminium
Core Type
Solid or Stranded Steel
Steel Content Range
6% to 40% (by weight)
Outer Layer
Hard-drawn Aluminium
Core Coating
Zinc Galvanized or Class A/B/C Coated Steel
Standard
IS 398 Part 2 / ASTM B232 / IEC 61089
03 / 02
ACSR conductors are high-capacity, steel-reinforced aluminium cables designed for overhead transmission and distribution lines. These conductors consist of a solid or stranded high-strength steel core surrounded by aluminium strands, combining excellent electrical conductivity with superior tensile strength. Available in multiple steel content grades ranging from 6% to 40%, ACSR cables are ideal for long-span installations, river crossings, and regions with heavy mechanical stress.
Construction
Multi-layer concentric stranding | Aluminium strands for conductivity | Steel core for tensile strength | Optional grease layer for corrosion protection | Available in varied configurations (ACSR, ACSR/AW, ACSR/TW)
Applications
Overhead high-voltage transmission lines
River and valley crossings
Long-span line installations
Rural and remote grid extension
Structural reinforcements in difficult terrains
Key Performance Features
High tensile strength for extended spans
Excellent conductivity with minimal loss
Steel core enhances mechanical support
Lightweight and easy to string
Low sag under thermal stress
Weather and corrosion-resistant
Long service life with minimal maintenance
Certification
IS:398 (Part II) Compliant
ASTM B232 / BS 215 Standards
ISO 9001:2015 Certified Manufacturing
Galvanization as per IEC 61089
Type Tested at NABL-accredited Labs
Mill Certifications
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