Difference

Color Aluminum Coil

Prepainted Steel Coil

Durability

25-40years

15years around

Weight

       Density: 2.71g/mm3 Lighter,

around one-third of Steel

Density: 7.85g/mm3

Strength & Rigidity

In Middle Level, good enough for house construction

Better

Appearance

Much more smooth than steel

smooth

Anti-thunder property

Anti-thunder

No anti-thunder property

Tile forming

It has good welding property and keep physical property in low temperature

It has cold shortness. In low temperature, it is easy to break.

Cost performance

High cost performance. Light weight,water-proof, easy bending, good stereoscopic vision;

Weight is three times of aluminum; middle level water-proof property;

Recovery Value

High recovery Value, 70% of original value

No recovery Value

Feature

The meters per ton is three times longer than Steel;

Comparative cheaper price