440C bakin karfe lebur mashayasamfurin bakin karfe ne mai inganci wanda aka sani don keɓancewar haɗin sa na juriya da juriya na lalata. Yana cikin dangin martensitic bakin karfe kuma ana amfani dashi ko'ina a masana'antu daban-daban don kyakkyawan aikin sa.
Matsayin Bakin Karfe 440C da Makin Karfe Daidai
| Ƙasa | Amurka | BS & DIN | Japan |
| Daidaitawa | ASTM A276 | EN 10088 | Saukewa: G4303 |
| Maki | S44004/440C | X105CrMo17/1.4125 | SUS440C |
ASTM A276 440C Karfe Chemical Haɗin Kai da Daidai
| Daidaitawa | Daraja | 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 |
| Saukewa: EN10088 | X105CrMo17/1.4125 | 0.95-1.20 | ≦1.00 | ≦0.04 | ≦0.03 | ≦1.00 | 16.0-18.0 | 0.40-0.80 |
| Saukewa: G4303 | SUS 440C | 0.95-1.20 | ≦1.00 | ≦0.04 | ≦0.03 | ≦1.00 | 16.0-18.0 | ≦0.75 |
440C Bakin KarfeMakanikaiKayayyaki
| Zazzabi (°C) | Ƙarfin Tensile (MPa) | Ƙarfin Haɓaka 0.2% Hujja (MPa) | Tsawaitawa (% cikin 50mm) | Hardness Rockwell (HRC) | Tasirin Charpy V (J) |
| An rufe* | 758 | 448 | 14 | 269HB max# | - |
| 204 | 2030 | 1900 | 4 | 59 | 9 |
| 260 | 1960 | 1830 | 4 | 57 | 9 |
| 306 | 1860 | 1740 | 4 | 56 | 9 |
| 371 | 1790 | 1660 | 4 | 56 | 9 |
Anan akwai wasu mahimman mahimman bayanai don gabatar da 440C bakin karfe lebur mashaya:
1. Abun da ke ciki: 440C bakin karfe lebur mashaya ne da farko hada da chromium (16-18%), carbon (0.95-1.20%), da kuma kananan yawa na sauran abubuwa kamar manganese, silicon, da molybdenum.
2. Wear Resistance: 440C bakin karfe lebur mashaya ne sananne ga ta fice lalacewa juriya, sa shi dace da aikace-aikace shafe abrasive kayan, yankan kayan aikin, bearings, da lalacewa-resistant aka gyara.
3. Lalacewa Resistance: Duk da kasancewarsa babban-carbon bakin karfe, 440C yana nuna kyakkyawan juriya na lalata.
4. Tauri da Ƙarfi: 440C bakin karfe lebur mashaya yana da kyau kwarai taurin da babban ƙarfi, samar da karko da kuma tsawon rai a bukatar aikace-aikace.
Lokacin aikawa: Jul-05-2023