440A, 440B, 440C

Cov ntsiab lus dav dav thoob plaws 440 steels:

• 16-18% chromium
• 1% Manganese
• 1% silicon
• 0.75% Molybdenum
• 0.04% phosphorus
• 0.03% sulfur
• Qee feem pua ​​​​ntawm Carbon

440A steel hlau

• 0.6-0.75% Cov pa roj carbon

440B steel

• 0.75-0.95% Cov pa roj carbon

440C steel hlau

• 0.95-1.20% Cov pa roj carbon