Built for cyclic oxidation and carburising atmospheres up to about 1,100 °C.
601 has enough chromium and aluminium to form a tenacious, self-healing oxide scale, which is what gives it resistance to cyclic heating and cooling in air, carburising and sulphur-bearing atmospheres. Its creep-rupture strength is higher than 600 above 500 °C, so it is preferred for hotter service.
Typical work is furnace hardware: trays, fixtures, radiant tubes, mesh belts, muffle retorts and burner components.
ASTM B564, B166, B167, B168
The default alloy for mixed acids, chlorides and wet chlorine — and the grade most often specified when no one is sure what the stream will do.
Alloy detailChromium-rich cousins of C-276: better in oxidising media and in wet chlorine, with C-4 for hot ductility.
Alloy detailNickel–molybdenum alloys for hydrochloric acid — any concentration, any temperature within the practical range.
Alloy detailQuotes within one business day. Send grade, size, pressure class, face type and quantity — a drawing works better than a description.
