17-4PH/UNS S17400 Alagbara Irin olupese
Awọn ọja to wa
tube Ailokun, Awo, Rod, Forgings, fasteners, Pipe Fittings.
Awọn ajohunše iṣelọpọ
| Ọja | ASTM |
| Ifi, awọn ila ati awọn profaili | A 564, A 484 |
| Awo, Dì ati rinhoho | A 693, A 480 |
| Forgings | A 705, A 484 |
Kemikali Tiwqn
| % | Fe | Cr | Ni | P | S | Cu | Nb+Ta | Si | C |
| Min | iwontunwonsi | 15.5 | 3.0 |
|
| 3.0 | 0.15 |
|
|
| O pọju | 175 | 5.0 | 0.04 | 0.03 | 5.0 | 0.45 | 1.00 | 0.07 |
Ti ara Properties
| iwuwo | 7,75 g / cm3 |
| Yiyọ | 1404-1440℃ |
17-4PH Ohun elo Properties
17-4PH jẹ chromium-nickel-Ejò ojoriro lile martensitic alagbara, irin.Iwọn irin alagbara irin yii ni awọn ohun-ini bii agbara giga, lile ati resistance ipata.Lẹhin itọju ooru, awọn ohun-ini ẹrọ ti ọja naa jẹ pipe diẹ sii, ati pe agbara fifẹ le de giga bi 1100-1300MPa (160-190ksi).Ipele yii ko le ṣee lo ni awọn iwọn otutu ti o ga ju 300°C (572°F) tabi kekere pupọ.O ni aabo ipata to dara si oju aye ati awọn acids dilute tabi iyọ.Awọn oniwe-ipata resistance jẹ afiwera si 304. Oofa.
17-4PH Mechanical Properties
1.Tensile agbara σb (MPa): ogbo ni 480 ℃, ≥1310;ti ogbo ni 550 ℃, ≥1060;ti ogbo ni 580 ℃, ≥1000;ti ogbo ni 620 ℃, ≥930
2.Conditional ikore agbara σ0.2 (MPa): ti ogbo ni 480 ℃, ≥1180;ti ogbo ni 550 ℃, ≥1000;ti ogbo ni 580 ℃, ≥865;ti ogbo ni 620 ℃, ≥725
3.Elongation δ5 (%): ti ogbo ni 480 ℃, ≥10;ti ogbo ni 550 ℃, ≥12;ti ogbo ni 580 ℃, ≥13;ti ogbo ni 620 ℃, ≥16
4.Area shrinkage ψ (%): ti ogbo ni 480 ℃, ≥40;ti ogbo ni 550 ℃, ≥45;ti ogbo ni 580 ℃, ≥45;ti ogbo ni 620 ℃, ≥50
5.Hardness: ojutu ti o lagbara, ≤363HB ati ≤38HRC;480 ℃ ti ogbo, ≥375HB ati ≥40HRC;550 ℃ ti ogbo, ≥331HB ati ≥35HRC;580 ℃ ti ogbo, ≥302HB ati ≥31HRC;620℃ ti ogbo, ≥277HB ati ≥28HRC
17-4PH Awọn agbegbe Ohun elo Ohun elo
1.Offshore awọn iru ẹrọ, helidecks, awọn iru ẹrọ miiran
2. ounje ile ise
3.Pulp ati ile-iṣẹ iwe
4.Aerospace (tobaini abe)
5.darí apa
6.Nuclear egbin awọn agba
