Alloy 446 is a ferritic, heat resisting, stainless chromium steel. Alloy 446 has extremely good resistance to reducing sulphurous gases, as well as very good resistance to oxidation in air. Alloy 446 also has good resistance to oil-ash corrosion and resistance to molton copper, lead and tin.
Specifications
QQ-S-763
ASTM A276 / ASME SA276
ASTM 446-1
AISI 446
WS 1.4749
DIN X18CrN28
UNS S44600
SS 2322