Nihonweld NT-2553 description: NT-2553 is highly suitable for welding ferritic-austenitic superduplex steels. By virtue of specific alloy composition the deposit has, in addition to high tensile strength and toughness, also excellent resistance to stress corrosion cracking and pitting corrosion. The operating temperature is -50C up to +250C. Well suited for the conditions in the offshore field.