Babban Abunda
Carbon (C): ≤0.07%
Manganese (Mn): ≤1.00%
Phosphorus (P):≤0.04%
Sulfur (S):≤0.03%
Silicon (Si):≤1.00%
Chromium (Cr): 15.00-17.50%
Nickel (Ni): 3.00-5.00%
Copper (Cu): 3.00-5.00%
Niobium (Nb) + Tantalum (Ta): 0.15-0.45%
Mabuɗin Siffofin
1. Babban Qarfi da Tauri: 17-4 PH na iya samun babban ƙarfi da taurin ta hanyar hazo-hardening jiyya, sa shi dace da aikace-aikace bukatar high ƙarfi.
2. Kyakkyawan juriya na lalata: Duk da yake ba a matsayin juriya na lalata ba kamar austenitic bakin karfe kamar 304 da 316, har yanzu yana ba da juriya mai kyau a yawancin mahalli.
3. Kyakkyawar Weldability: Ana iya walda shi ta amfani da hanyoyin walda iri-iri. Ana ba da shawarar maganin zafi bayan walda don cimma kyawawan kaddarorin.
4. Kyakkyawar Na'ura: Yana da machinability mai kyau a cikin yanayin da aka magance maganin kuma zai iya ƙara inganta kayan aikin injiniya bayan maganin zafi.
Bayan dacewa da hazo-hardening zafi magani, 17-4 PH bakin karfe iya cimma wadannan na hali inji Properties:
Ƙarfin Ƙarfin Ƙarfi: 930-1310 MPa (135-190 ksi)
Ƙarfin Haɓaka: 725-1100 MPa (105-160 ksi)
Tsawaitawa: 10-20%
Rage Yanki: 40-60%
TauriSaukewa: HRC 28-38
Maki daga kasashe daban-daban
| Amurka | Japan | Jamus | Ƙasar Ingila | Faransa |
| Saukewa: UNS17400 | JIS SUS630 | DIN 1.4542 | Saukewa: BS560S17 | AFNOR Z6CNU 17-04
|
Aikace-aikace
Saboda haɗuwa da kaddarorinsa, 17-4 PH bakin karfe ana amfani dashi sosai a cikin filayen masu zuwa:
Masana'antar Aerospace: Abubuwan da suka dace kamar sassan injin turbine, sassan tsarin, da sauransu.
Masana'antar Chemical da Petrochemical: Abubuwa kamar tasoshin dauki, bawuloli, famfo, da sauransu.
Na'urorin likitanci: Kayan aiki kamar kayan aikin tiyata, kayan aikin hakori, da sauransu.
Samar da Wutar Lantarki: Abubuwan da ake amfani da su don samar da makamashin nukiliya, da sauransu.
Kayan Kayan Abinci: sassan injina don layin samar da abinci.
