Akọkọ Tiwqn
Erogba (C): ≤0.07%
Manganese (Mn): ≤1.00%
Fọsifọru (P):≤0.04%
Efin (S):≤0.03%
Silikoni (Si):≤1.00%
Chromium (Kr): 15.00-17.50%
Nickel (Ni): 3.00-5.00%
Ejò (Cu): 3.00-5.00%
Niobium (Nb) + Tantalum (Ta): 0.15-0.45%
Key Awọn ẹya ara ẹrọ
1. Agbara giga ati Lile: 17-4 PH le ṣe aṣeyọri agbara ti o ga pupọ ati lile nipasẹ itọju-lile ojoriro, ti o jẹ ki o dara fun awọn ohun elo ti o nilo agbara giga.
2. Resistance Ibaje Rere: Lakoko ti kii ṣe bi sooro ipata bi awọn irin alagbara austenitic bi 304 ati 316, o tun funni ni idena ipata to dara ni ọpọlọpọ awọn agbegbe.
3. Weldability to dara: O le wa ni welded lilo orisirisi alurinmorin lakọkọ. Itọju igbona lẹhin-weld ni a ṣe iṣeduro lati ṣaṣeyọri awọn ohun-ini to dara julọ.
4. Agbara ẹrọ to dara: O ni ẹrọ ti o dara ni ipo ti a ṣe itọju ojutu ati pe o le mu ilọsiwaju siwaju sii awọn ohun-ini ẹrọ lẹhin itọju ooru.
Lẹhin itọju otutu otutu-lile ojoriro ti o yẹ, irin alagbara 17-4 PH le ṣaṣeyọri awọn ohun-ini adaṣe aṣoju atẹle wọnyi:
Agbara fifẹ: 930-1310 MPa (135-190 ksi)
Agbara Ikore: 725-1100 MPa (105-160 ksi)
Ilọsiwaju: 10-20%
Idinku ti Area: 40-60%
Lile: HRC 28-38
Awọn onipò lati yatọ si awọn orilẹ-ede
| Orilẹ Amẹrika | Japan | Jẹmánì | apapọ ijọba gẹẹsi | France |
| UNS S17400 | JIS SUS630 | DIN 1.4542 | BS 560S17 | AFNOR Z6CNU 17-04
|
Awọn ohun elo
Nitori apapo awọn ohun-ini rẹ, irin alagbara 17-4 PH jẹ lilo pupọ ni awọn aaye wọnyi:
Aerospace Industry: Awọn paati gẹgẹbi awọn ẹya tobaini, awọn ẹya igbekalẹ, ati bẹbẹ lọ.
Kemikali ati Petrochemical Industry: Awọn nkan bii awọn ohun elo ifaseyin, awọn falifu, awọn ifasoke, ati bẹbẹ lọ.
Awọn ẹrọ iṣoogun: Awọn ohun elo bii awọn irinṣẹ iṣẹ abẹ, ohun elo ehín, ati bẹbẹ lọ.
Iran agbara: Awọn paati fun awọn reactors iparun, laarin awọn miiran.
Ounje Processing EquipmentAwọn ẹya ẹrọ fun awọn laini iṣelọpọ ounje.
