Corrosion-resistant steel wire grade 20SA

Aluminum-clad steel wire is used as a strength element of uninsulated phase conductors as well as in other products requiring increased corrosion resistance: optical ground wires, spiral clamps, road fencing, crop wires, and other fencing in harsh environments.

Application

Component of complex products requiring increased corrosion resistance

Element of support structures in the agricultural sector

Fencing in harsh environments

Fastening element in power utility sector

Steel wire

Aluminum layer

Features

Increased corrosion resistance 90-95% (20% higher than galvanized wire)
Suitable for use in coastal or humid areas
Environmentally friendly recyclable material
Service life: 50 years

Design options

20SA – 8%
27SA – 14%
30SA – 15%
40SA – 25%

Parameters
Minimum relative elongation at break	not less than 1.5%
Permissible deviation from nominal diameter:	±1.5% of wire diameter
Temperature coefficient of linear expansion	13*10-6 (1/°C)
Temperature coefficient of electrical resistance	0.0036 (1/°C)
Maximum operating temperature in air conditions	+300 °C