Isi ihe mejupụtara
Carbon (C): ≤0.07%
Manganese (Nn): ≤1.00%
Phosphorus (P):≤0.04%
Sulfur (S):≤0.03%
Silikon (Si):≤1.00%
Chromium (Cr): 15.00-17.50%
Nickel (Ni): 3.00-5.00%
Ọla kọpa (Cu): 3.00-5.00%
Niobium (Nb) + Tantalum (Ta): 0.15-0.45%
Atụmatụ igodo
1. Ike dị elu na isi ike: 17-4 PH nwere ike nweta ike na ike siri ike site na ọgwụgwọ mmiri ozuzo, na-eme ka ọ dị mma maka ngwa ndị chọrọ ike dị elu.
2. Ezigbo Nguzogide nrụrụ: Ọ bụ ezie na ọ bụghị dị ka corrosion na-eguzogide dị ka austenitic igwe anaghị agba nchara dị ka 304 na 316, ọ ka na-enye ezigbo nguzogide corrosion n'ọtụtụ gburugburu.
3. Ezi Weldability: Enwere ike ịgbado ya site na iji usoro ịgbado ọkụ dị iche iche. A na-atụ aro ọgwụgwọ okpomọkụ post-weld iji nweta ihe kacha mma.
4. Ezi Nrụpụta: Ọ nwere ezi machinability na ngwọta-emeso ọnọdụ na ike n'ihu melite n'ibu Njirimara mgbe okpomọkụ ọgwụgwọ.
Mgbe ọgwụgwọ ikpo ọkụ na-ekpo ọkụ kwesịrị ekwesị, 17-4 PH igwe anaghị agba nchara nwere ike nweta ihe ndị a na-ahụkarị:
Ike ọdụdọ: 930-1310 MPa (135-190 ksi)
Mpụta Ike: 725-1100 MPa (105-160 ksi)
Ogologo oge: 10-20%
Mbelata Mpaghara: 40-60%
Isi ike: HRC 28-38
Akara ule sitere na mba dị iche iche
| United States | Japan | Germany | United Kingdom | France |
| UNS S17400 | JIS SUS630 | DIN 1.4542 | BS 560S17 | AFNOR Z6CNU 17-04
|
Ngwa
N'ihi nchikota nke ihe onwunwe ya, a na-eji igwe anaghị agba nchara 17-4 PH mee ihe na mpaghara ndị a:
Ụlọ ọrụ Aerospace: Ngwa dị ka akụkụ turbine, akụkụ nhazi, wdg.
Ụlọ ọrụ Chemical na Petrochemical: Ihe dị ka arịa mmeghachi omume, valvụ, nfuli, wdg.
Ngwa ahụike: Ngwa dị ka ngwa ịwa ahụ, akụrụngwa eze, wdg.
Ọgbọ Ike: Akụrụngwa maka ndị nrụpụta nuklia, n'etiti ndị ọzọ.
Ngwa Nhazi nri: Akụkụ igwe maka ahịrị mmepụta nri.
