Austenitic stainless steel (ASS) and High nickel steel (HNS) welding consumables are being used for welding Q&T steels. as they have higher solubility for hydrogen in austenitic phase. to avoid hydrogen induced cracking (HIC) but they are very expensive. In recent years. https://www.inmuebleslasmercedes.com/product-category/refrigerated-chef-bases/