Nga huānga noa puta noa i nga tira 440 katoa:
- 16-18% chromium
- 1% konupora
- 1% hiona
- 0.75% Molybdenum
- 0.04% Phosphorus
- 0.03% whanariki
- Ko etahi ōrau o te waro
440A maitai
- 0.6-0.75% Waowao
440B maitai
- 0.75-0.95% Waowa
440C maitai
- 0.95-1.20% Waowa
Wā tuku: Noema-25-2020