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I-Stainless Steel - iBanga le-347H (UNS S34709) ukwakheka kweekhemikhali

Intshayelelo

Iintsimbi ezingenastainless ziziintsimbi ezine-alloy ephezulu ezinokumelana ne-corrosion ephezulu kunezinye iintsimbi ngenxa yobukho bezixa ezikhulu zechromium kuluhlu lwe-4 ukuya kwi-30%.Iintsimbi ezingenasici zihlelwa zibe yi-martensitic, i-ferritic kunye ne-austenitic ngokusekelwe kwisakhiwo sabo se-crystalline.Kwi-addititon, benza elinye iqela elibizwa ngokuba yi-precipitation-hardened steels, edibeneyo ye-martensitic kunye ne-austenitic steels.

Le datha ilandelayo iya kunika iinkcukacha ezithe vetshe malunga nebakala 347H intsimbi engatyiwa, eqine kancinci kunebakala 304 lentsimbi.

Ukuqulunqwa kwemichiza

Le theyibhile ilandelayo ibonisa ukubunjwa kweekhemikhali zebakala le-347H yensimbi engenasici.

Isiqalelo Umxholo (%)
Intsimbi, Fe 62.83 - 73.64
Chromium, uCr 17 – 20
Nickel, Ni 9 – 13
IManganese, uMnu 2
Silicon, Si 1
Niobium, Nb (Columbium, Cb) 0.320 - 1
Carbon, C 0.04 - 0.10
Phosphorous, P 0.040
Isulfure, S 0.030

Iipropati Zomzimba

Iimpawu ezibonakalayo zebakala 347H zensimbi engenasici zinikwe kule theyibhile ilandelayo.

Iipropati Metric Impiriyali
Ukuxinana 7.7 - 8.03 g/cm3 0.278 – 0.290 lb/in³

Iipropati zoomatshini

Iimpawu zomatshini zebakala le-347H zensimbi engenasici ziboniswa kwitheyibhile elandelayo.

Iipropati Metric Impiriyali
Amandla okuqina, okugqibela 480 MPa 69600 psi
Amandla okuqina, isivuno 205 MPa 29700 psi
Amandla okukrazuka (@750 ° C/1380 ° F, ixesha 100,000 iiyure) 38 – 39 MPa, 5510 - 5660 psi
Imodyuli ye-elastic 190 – 210 GPA 27557 - 30458 ksi
Umlinganiselo wePoisson 0.27 - 0.30 0.27 - 0.30
Ukwandisa ngexesha lekhefu 29% 29%
Ubunzima, Brinell 187 187

Ixesha lokuposa: Mar-30-2023