Nickel-cromium-molybdenum alteyoy amagwiritsidwa ntchito popanga mafinya c276. Nickel, 14,5% chromium, 15% Molybdenum ndi kaboni, manganese, silicon, sulfur, chitsulo ndi phosphorous amapanga kapangidwe kake. Malo osungunuka a C276 Flange ndi 1370 digiri Celsius.