Steel Welding Always a Secure Connection

Interesting Facts About Steel

Steel is primarily composed of iron and a maximum of 2.06% carbon. Alloys with a higher proportion of carbon are known as cast iron. If the proportion of sulfur and phosphorus accompanying iron is less than 0.025%, it is called stainless steel. 

Not every steel can also be welded: only pure steels, i.e. alloys with a carbon content of less than 0.22%, are suitable for this process. As a rule, the more impure the alloy, the harder it is to weld the steel.

This Is How to Prepare Steel for Welding

/ Clean
Before welding, remove coarse contamination from the steel in order to achieve good results.

/ Remove rust
Remove rusty areas in the parent material before welding so that no bonding flaws occur in the weld metal.

/ Remove oil or grease
Oily parent material makes the welding process more difficult and may, among other things, cause poor results. You should therefore remove the oil from the steel before welding.

/ Preheat
In the case of higher material thicknesses, you should preheat the component before welding in order to slow down the cooling time. This protects the material and prevents cracking.