Feature:mild steel,vertical hot-dipped galvanizing Tech.Thick zinc-coating,smooth surface,Stable mechanical electrical property
Function: Protecting cables from mechanical damage, preventing fire, enhanced cable tensile strength and mechanical strength, improving anti-corrosion ability, anti-role of low-frequency interference, etc.
Application: Power cable,phone cable,telecommunication cable and other general engineering applications
Features: Use mild steel,vertical hot-dipped galvanizing Technology
Thick zinc-coating,smooth surface
Stable mechanical and electrical properties
Packing: Bundled tightly with 6 steel strips,plus 4 lifting hooks,put cardboard under each strip to prevent scratches,and covered 2-layer water-proof woven in outside, and also can packed according to customers' requirement.
The tensile strength,elongation rate and torsion test should comply to the following table:
Nominal dia. mm | Tensile strength Kgf/mm2 | Elongation rate | Torsion test | ||
% Not less than | Gauge mm | Times not less than | Gauge mm | ||
1.6 2.0 2.5 3.15 4.0 5.0 6.0 | 35-50 | 10 | 160 200 250 250 250 250 250 | 37 30 24 19 15 12 10 | 150 |
zinc coating weight of steel wire,uniformity(copper sulfate solution),fastness(winding test)should conform to:
Nominal Dia. ( mm) | 1 | 2 | ||||||||
Zinc coating weight g/m2 Not less than | The No. of immersed in copper sulfate solution not less than | Winding test | Zinc coating weight g/m2 Not less than | The No. of immersed in copper sulfate solution not less than | Winding test | |||||
Dia. of cylindrical mandrel divided by nominal dia. of wire | No. of turns not less than | Dia. of cylindrical mandrel divided by nominal dia. of wire | No. of turns not less than | |||||||
60s | 30s | 60s | 30s | |||||||
1.6 2.0 2.5 3.15 4.0 5.0 6.0 | 150 190 210 240 270 270 270 | 2 2 2 3 3 3 3 | - - - - - - - | 4 4 4 4 5 5 5 | 6 | 220 240 260 275 290 290 290 | 2 3 3 3 3 3 3 | 1 - - 1 1 1 1 | 4 4 4 4 5 5 5 | 6 |
armouring cable wire
