Ndị a bụ igwe anaghị agba nchara nwere chromium dị oke elu (n'etiti 18 na 28%) yana obere nickel (n'etiti 4.5 na 8%). Ọdịnaya nickel ezughị oke iji wepụta usoro austenitic zuru oke yana nchikota nke ferritic na austenitic a na-akpọ duplex. Ọtụtụ nchara duplex nwere molybdenum na nso nke 2.5 - 4%.

Njirimara ndị bụ isi

• Nnukwu iguzogide nrụgide corrosion cracking
• Mmụba nguzogide ọgụ ion chloride
• Ike dị elu ma na-enye ike karịa austenitic ma ọ bụ nchara ferritic
• Ezi weldability na formability

Ejikarị

• Ngwa mmiri, ọkachasị na obere okpomọkụ dị elu
• Osisi ịsachapụ mmiri
• Ndị na-agbanwe ọkụ
• Petrochemical osisi