Thermanit MTS 3德國蒂森P91焊絲，AWS ER90S-B9焊絲，High temperature resistant, resistant to scaling up to 600 °C (1112 °F). Suited for joining and surfacing applications with quenched and tempered 9 % Cr steels, particularly for matching high temperature resistant parent metal T91 / P91 according to ASTM.