What are the specifications of light steel keel commonly used in light steel villas and light steel houses? How much does the main light steel frame keel cost per square meter?

What are the specifications of light steel keel commonly used in light steel villas and light steel houses?

How much does the main light steel frame keel cost per square meter?

The commonly used specifications for light steel frame keel are

C89 light steel frame,

C120 light steel frame,

C140 light steel frame;

According to the conventional design theory of designers, the steel consumption * material unit price=steel consumption cost of light steel main body

1、 Theoretical steel consumption for C89 light steel keel:

（1） 0.8mm thick light steel keel 25kg/square meter

（2） 1.0mm thick light steel keel 35kg/square meter

2、 Theoretical steel consumption for C120 light steel keel:

1.0mm40kg/square

3、 Theoretical steel quantity for 140 light steel keel:

1.0mm45kg/square