440C alagbara, irin alapin barjẹ ọja irin alagbara ti o ni agbara giga ti a mọ fun apapo iyasọtọ ti yiya ati resistance ipata. O jẹ ti idile irin alagbara martensitic ati pe o lo pupọ ni ọpọlọpọ awọn ile-iṣẹ fun iṣẹ giga rẹ.
Boṣewa ti 440C Irin Alagbara ati Awọn onidiwọn Irin Ti o dọgba
| Orilẹ-ede | USA | BS & DIN | Japan |
| Standard | ASTM A276 | EN 10088 | JIS G4303 |
| Awọn ipele | S44004/440C | X105CrMo17 / 1.4125 | SUS440C |
ASTM A276 440C Irin Kemikali Tiwqn ati Equivalent's
| Standard | Ipele | C | Mn | P | S | Si | Cr | Mo |
| ASTM A276 | S44004/440C | 0.95-1.20 | ≦1.00 | ≦0.04 | ≦0.03 | ≦1.00 | 16.0-18.0 | ≦0.75 |
| EN10088 | X105CrMo17 / 1.4125 | 0.95-1.20 | ≦1.00 | ≦0.04 | ≦0.03 | ≦1.00 | 16.0-18.0 | 0.40-0.80 |
| JIS G4303 | SUS 440C | 0.95-1.20 | ≦1.00 | ≦0.04 | ≦0.03 | ≦1.00 | 16.0-18.0 | ≦0.75 |
440C Irin alagbaraẸ̀rọAwọn ohun-ini
| Iwọn otutu (°C) | Agbara Fifẹ (MPa) | Agbara ikore 0.2% Ẹri (MPa) | Ilọsiwaju (% ni 50mm) | Lile Rockwell (HRC) | Ipa Charpy V (J) |
| Ti parẹ* | 758 | 448 | 14 | 269HB o pọju# | - |
| 204 | Ọdun 2030 | Ọdun 1900 | 4 | 59 | 9 |
| 260 | Ọdun 1960 | Ọdun 1830 | 4 | 57 | 9 |
| 306 | Ọdun 1860 | Ọdun 1740 | 4 | 56 | 9 |
| 371 | Ọdun 1790 | 1660 | 4 | 56 | 9 |
Eyi ni diẹ ninu awọn aaye pataki lati ṣafihan igi alapin irin alagbara 440C:
1. Tiwqn: 440C alagbara, irin alapin bar jẹ nipataki kq ti chromium (16-18%), erogba (0.95-1.20%), ati kekere oye akojo ti miiran eroja bi manganese, silikoni, ati molybdenum.
2. Wọ Resistance: 440C alagbara, irin alapin igi jẹ ogbontarigi fun awọn oniwe-yiya resistance resistance, ṣiṣe awọn ti o dara fun awọn ohun elo okiki abrasive ohun elo, gige irinṣẹ, bearings, ati wọ-sooro irinše.
3. Ipata Ipata: Bi o ti jẹ pe o jẹ irin alagbara ti o ga-erogba, 440C ṣe afihan iṣeduro ibajẹ ti o dara.
4. Lile ati Agbara: 440C irin alagbara, irin alapin ọpa ti o dara julọ ati agbara giga, pese agbara ati igba pipẹ ni awọn ohun elo ti o nbeere.
Akoko ifiweranṣẹ: Jul-05-2023