Determining The Carbon Content Of Steel And More
In this video, you'll discover an easy way to determine the carbon content of your steel parts.
You can use this technique to find which of your parts would benefit from the case hardening method.
This is not the most accurate way of determining the composition of the steel, but many welders use this technique when welding unknown materials and is a good test for most non-critical jobs.
This technique is known as spark testing.
The Spark Chart On The Next Page Will Really Help