4 chain link fence cost

6. If the damage volume of the bird cage is large, it needs to be repaired patiently. If the project is large, it needs to be repaired immediately to prevent the damage from continuing to expand. Of course, you can go to the repair shop to maintain specially.

The main difference between the two is the carbon content. The carbon content of iron is 2.11 percent or greater, while the carbon content of steel is 2.11 percent or less. The iron carbon alloy with carbon content above 2.11% is cast iron (pig iron), which is basically not malleable and cannot be drawn into wire. Secondly, the content of impurities is different. The content of harmful impurities such as sulfur and phosphorus in steel is smaller. Steel wire general color focus, iron wire color light point, white point.