Ifaara
Awọn irin alagbara jẹ awọn irin alloy giga ti o ni resistance ibajẹ giga ju awọn irin miiran lọ nitori wiwa awọn oye nla ti chromium ni iwọn 4 si 30%.Awọn irin alagbara ti pin si martensitic, ferritic ati austenitic ti o da lori eto kirisita wọn.Ni addititon, wọn ṣe ẹgbẹ miiran ti a mọ si awọn irin-lile ojoriro, eyiti o jẹ apapo ti martensitic ati awọn irin austenitic.
Iwe data ti o tẹle yoo pese awọn alaye diẹ sii nipa ite 347H irin alagbara irin, eyiti o le die diẹ sii ju ite 304, irin.
Kemikali Tiwqn
Tabili ti o tẹle n ṣe afihan akojọpọ kemikali ti ite 347H irin alagbara, irin.
| Eroja | Akoonu (%) |
|---|---|
| Irin, Fe | 62.83 – 73.64 |
| Chromium, Kr | 17 – 20 |
| Nickel, Ni | 9 – 13 |
| Manganese, Mn | 2 |
| Silikoni, Si | 1 |
| Niobium, Nb (Columbium, Cb) | 0.320 – 1 |
| Erogba, C | 0.04 – 0.10 |
| Phosphorous, P | 0.040 |
| Efin, S | 0.030 |
Ti ara Properties
Awọn ohun-ini ti ara ti ite 347H irin alagbara, irin ni a fun ni tabili atẹle.
| Awọn ohun-ini | Metiriki | Imperial |
|---|---|---|
| iwuwo | 7,7 - 8,03 g / cm3 | 0.278 – 0.290 lb/ni³ |
Darí Properties
Awọn ohun-ini ẹrọ ti ite 347H irin alagbara, irin ti han ni tabili atẹle.
| Awọn ohun-ini | Metiriki | Imperial |
|---|---|---|
| Agbara fifẹ, Gbẹhin | 480 MPa | 69600 psi |
| Agbara fifẹ, ikore | 205 MPa | 29700 psi |
| Agbara rú (@750°C/1380°F, aago 100,000 wakati) | 38 - 39 MPa, | 5510 – 5660 psi |
| Iwọn rirọ | 190 – 210 GPA | 27557 – 30458 ksi |
| Ipin Poisson | 0.27 – 0.30 | 0.27 – 0.30 |
| Elongation ni isinmi | 29% | 29% |
| Lile, Brinell | 187 | 187 |
Akoko ifiweranṣẹ: Oṣu Kẹta-30-2023