I-15-5 insimbi engagqwali iyi-martensitic, impahla eqinisa imvula ene-chromium, i-nickel nethusi. Ngokuvamile kuyinketho yokuqala embonini ye-aerospace yezixhumi nezingxenye zesakhiwo. Isakhiwo sayo esiyingqayizivele sihlinzeka ngokuqina okukhulayo kanye nokumelana nokugqwala okungcono kunokwandulelayo, 17-4 PH. Kokubili ukulawulwa kokufakwa kanye nenani elincishisiwe le-delta ferrite uma kuqhathaniswa nensimbi engagqwali engu-17-4 kunomthelela ekuqina okukhulu kuka-15-5. Ingxubevange iphinde iqiniswe ukwelashwa kokushisa okuphansi okwehlisa ithusi eliqukethe isigaba ku-alloy. I-15-5 PH iyakwazi ukuhlangabezana nezakhiwo eziqinile zemishini ezidingekayo ku-aerospace kanye nezimboni zenuzi.

I-15-5 PH Ukwakheka Kwamakhemikhali

	Isici	Amaphesenti ngesisindo
C	Ikhabhoni	0.07 ubuningi
Cr	I-Chromium	14 – 15.5
Cu	Ithusi	2.5 – 4.5
Fe	Insimbi	Ibhalansi
Si	I-silicon	1.00 ubuningi
S	Isibabule	0.03 ubuningi
Ni	I-Nickel	3.5 – 5.5
Mn	IManganese	1.0 ubuningi
P	Phosphorus	0.04 ubuningi
Nb Ta	I-Niobium plus Tantalum	0.15 – 0.45