440A, 440B, 440C

Awọn eroja ti o wọpọ kọja gbogbo awọn irin 440:

  • 16-18% chromium
  • 1% manganese
  • 1% ohun alumọni
  • 0,75% Molybdenum
  • 0,04% irawọ owurọ
  • 0,03% efin
  • Diẹ ninu ogorun Erogba

440A irin

  • 0,6-0,75% Erogba

440B irin

  • 0,75-0,95% Erogba

440C irin

  • 0,95-1,20% Erogba

Akoko ifiweranṣẹ: Oṣu kọkanla-25-2020