T-PUT Thermanit 14 K SI description: Stainless; corrosion-resistant similar to matching 13 % Cr(Ni) steels/cast steel grades. For surfacing applications with matching or similar 13 % Cr steels/cast steel grades. For surfacing sealing faces of water, steam and gas valves and accessories made of unalloyed and low-alloy steels/cast steel grades for service temperatures up to 450 C (842 F).