Jennifer Bourn. This post is part of the Color Meaning Blog Series, detailing the meanings associated with colors such as red, orange, yellow, green, blue, purple, grey, black, white, brown, pink, turquoise, gold, silver, and beige.
The effect of replacing argon by nitrogen was investigated for the purÂ­pose of reducing welding costs. The study reveals that nitrogen can very well be used to replace argon for purging in pipe welding without any adverse effects on the properties of the unstabilized austenitic stainless steels.
Numerous sources of nitrogen exist during the melting, ladle processing and casting operations of steel. Sources of nitrogen in oxygen steelmaking include hot metal, the scrap, impurity nitrogen in oxygen and the nitrogen used as a stirring gas. Nitrogen pickup from the atmosphere can occur during