Incoloy 925 bụ alloy siri ike na-agbado agbado dabere na Fe-Ni-Cr alloy yana mgbakwunye molybdenum, ọla kọpa, titanium na aluminom.The alloy nwere nnukwu ike na magburu onwe corrosion eguzogide na ngwa.Ọdịnaya nickel zuru oke iji chebe alloy site na corrosion na mgbawa site na ion chloride.Ngwakọta nke nickel, molybdenum na ọla kọpa na-enyekwa alloy ezigbo nguzogide ibelata kemịkalụ.Molybdenum na-enyere aka melite nguzogide pitting na crevice corrosion.Akụkụ chromium nke alloy na-enye nguzogide oxidation megide mbelata gburugburu ebe obibi.Mgbakwunye nke titanium na aluminom nwere ike ime ka alloy sie ike n'oge ọgwụgwọ okpomọkụ
Alloy | % | Ni | Cr | Fe | Mo | P | C | Mn | Si | S | Cu | Al | Ti |
925 | Min. | 42.0 | 19.5 | itule | 2.5 | - | 1.5 | 0.15 | 1.9 | ||||
Oke. | 46.0 | 23.5 | 3.5 | 0.03 | 0.03 | 0.1 | 0.5 | 0.01 | 3.0 | 0.5 | 2.4 |
Njupụta (g/cm3) | Ebe mgbaze (℃) |
8.14 | 1343 |
Ọnọdụ | Ike ọdụdọ (MPa) | Ike mpụta (MPa) | Ogologo oge % |
Ngwọta siri ike | 650 | 300 | 30 |
anabatara Alloy Carpenter 925 na NACE MR0175.
NACE MR0175
Ezi n'ibu ike na nnukwu corrosion eguzogide.
Ọ nwere ezigbo nguzogide corrosion na chloride ion stress corrosion, corrosion mpaghara yana mgbasa ozi kemịkalụ dị iche iche na-ebelata oxidizing.
Commonl eji na mmanụ na gas drillinga equioment akụkụ na components.dị ka ọkpọkọ, valvụ, ioint bositioning, ngwá ọrụ ioint packer, nke a na-ejikwa n'ichepụta ụfọdụ fasteners.