440C bakin karfe Flast BarBabban samfurin karfe ne wanda aka sani saboda kawo hadewar sa da juriya da juriya da lalata. Yana cikin mahimmin dangi bakin karfe kuma an yi amfani da shi sosai a cikin masana'antu daban-daban don mafi girman aikinta.
Standard of 440C bakin karfe da daidai karfe maki
| Ƙasa | Usa | BS & Din | Japan |
| Na misali | Astm A276 | En 10088 | Jis G4303 |
| Maki | S44004 / 440C | X105CMO17 / 1.4125 | Sus440C |
Astm A276 440C Karfe sunadarai da daidaitawa da daidai
| Na misali | Sa | C | Mn | P | S | Si | Cr | Mo |
| Astm A276 | S44004 / 440C | 0.95-1.2.20 | ≦ 1.00 | ≦ 0.04 | ≦ 0.03 | ≦ 1.00 | 16.0-18.0 | 0.75 |
| En10088 | X105CMO17 / 1.4125 | 0.95-1.2.20 | ≦ 1.00 | ≦ 0.04 | ≦ 0.03 | ≦ 1.00 | 16.0-18.0 | 0.40-0.80 |
| Jis G4303 | 214 440C | 0.95-1.2.20 | ≦ 1.00 | ≦ 0.04 | ≦ 0.03 | ≦ 1.00 | 16.0-18.0 | 0.75 |
440C bakin karfeNa injiKaddarorin
| Zafin jiki (zafin jiki c) | Tenerile ƙarfi (MPa) | Yawan amfanin ƙasa 0.2% tabbatacce (MPa) | Elongation (% a cikin 50mm) | Hardness Rockwell (HRC) | Tasiri charpy v (j) |
| Anane * | 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 abubuwan don gabatar da 440c bakin karfe bakin karfe:
1
2. Saka juriya: 440C bakin karfe Flay, ya dace da aikace-aikacen da ya shafi kayan saitun abubuwa.
3. Corrovation juriya: Duk da kasancewa babban karfe bakin karfe, 440C nune-nunin kyawawan halaye na lalata.
4. Hardness da ƙarfi: 440C bakin karfe lebur mashaya yana da m m yana da kyau m da ƙarfi, samar da ƙarfi, samar da tsararraki da tsawon rai.
Lokaci: Jul-05-2023