440A, 440B, 440C

Zinthu wamba pazitsulo zonse 440:

• 16-18% chromium
• 1% manganese
• 1% silicon
• 0.75% Molybdenum
• Phosphorous ndi 0.04%.
• 0.03% sulfure
• Maperesenti ena a Carbon

440A chitsulo

• 0.6-0.75% Mpweya

440B chitsulo

• 0.75-0.95% Mpweya

440C chitsulo

• 0.95-1.20% Mpweya