440A, 440B, 440C

Izinto ezijwayelekile kuzo zonke izinsimbi ezingama-440:

• 16-18% chromium
• 1% iManganese
• I-silicon engu-1%.
• 0.75% Molybdenum
• 0.04% Phosphorus
• 0.03% isulfure
• Amaphesenti athile eKhabhoni

440A insimbi

• 0.6-0.75% Ikhabhoni

440B insimbi

• 0.75-0.95% Ikhabhoni

440C insimbi

• 0.95-1.20% Ikhabhoni