The author discusses the 1st Interstitially Alloyed Steels (IAS) conference held in South Korea in 2008. He states that steel production remains the most well established and the most eco-friendly product. He notes that the IAS centers on the interstitially alloying elements such as boron, nitrogen, and hydrogen. He adds that the conference honours the High Nitrogen Steel (HNS) conference series and its founders. He also presents the advantages and disadvantages of interstitial alloying.