Bambanta tsakanin 420 420J1 da 420J2 bakin karfe Bakin Karfe:
Babban bambanci tsakanin bakin karfe 420J1 da 420J2
420J1 yana da takamaiman matakin juriya da juriya da juriya, babban ƙarfi, da farashinsa shine ƙananan na bakin karfe kwallaye. Ya dace da yanayin aiki wanda ke buƙatar torlelly bakin karfe.
420J2 Bakin Karfe bel shine alama ce ta bakin karfe da aka samar ta hanyar ka'idodin Asiya; Standard Susel20J2, Sabuwar Standard 30cr13, tsohuwar ƙimar ƙasa 3CR13, Code na Dijital S42030, Asalin Turai 1.4028, Turai Standardawa 1.42030, Asalin Turai 1.4028, Turai Standardawa 1.42030, Asalin Turai 1.4028, Turai Standardawa 1.42030, Turai Standard 1.42030, Asalin Turai 1.4028.
420J1 Bakin Karfe: Bayan ya ƙone, harbinta yana da girma, juriya, yana da kyau (magnetic). Bayan Quenching, 420J2 bakin karfe yana da wahala fiye da 420J1 (Magnetic).
Gabaɗaya, zazzabi mai quenching na 420J1 shine 980 ~ 1050 ℃. A wuya daga 980 ℃ dumama Quenching mai yana da matukar raguwa fiye da 1050 ℃ dumama ya shaƙen mai. Hakuri bayan 980 ℃ Oil Quenching shine HRC45-50, da kuma taurin kai bayan 10herc na quenching shine 2hrc mafi girma. Koyaya, microstructure da aka samu bayan saukar da a 1050 ℃ yana da m da labur. An ba da shawarar yin amfani da 1000 ℃ dumama da kuma shayar da samun ingantaccen tsari da ƙarfi.
Bakin karfe 420/420J1 / 420J2 zanen gado & plestes daidai maki:
| Na misali | JIS | Werkstoff nr. | BS | Gama gari | Sis | M | Aisi |
| SS 420 | 2120 | 1.4021 | 420s29 | - | 2303 | S42000 | 420 |
| SS 420J1 | 2120j1 | 1.4021 | 420s29 | Z20c13 | 2303 | S42010 | 420l |
| SS 420J2 | 2120j2 | 1.4028 | 420s37 | Z20c13 | 2304 | S42010 | 420m |
SS420 / 420J1Shirye-shiryen / 420J2 zanen gado, plesin sunadarai (Saky Karfe):
| Sa | C | Mn | Si | P | S | Cr | Ni | Mo |
| 2120 | 0.15 Max | 1.0 Max | 1.0 Max | 0.040 Max | 0.030 Max | 12.0-14.0 | - | - |
| 2120j1 | 0.16-0.225 | 1.0 Max | 1.0 Max | 0.040 Max | 0.030 Max | 12.0-14.0 | - | - |
| 2120j2 | 0.26-0.40 | 1.0 Max | 1.0 Max | 0.040 Max | 0.030 Max | 12.0-14.0 | - | - |
SS 420J1 420J1 zanen gado, plateing kayan aikin kayan kwalliya (saky karfe):
| Sa | Erarfin tenerile max | Yawan amfanin ƙasa (0.2% kashe) max | Elongation (a cikin 2 a.) |
| 420 | MPA - 650 | MPA - 450 | 10% |
| 420J1 | MPA - 640 | MPA - 440 | 20% |
| 420j2 | MPA - 740 | MPA - 540 | 12% |
A wuya daga 420 sel bayan zafi yana da kyau hrc52 ~ 55, da kuma aikin daban-daban fannoni kamar lalacewa ne mai lalacewa ba sosai. Saboda yana da sauƙin yanke da goge goge, ya dace da samar da wukake. 420 Bakin Karfe ana kiranta "yankan sa" Martensitic Karfe. Jerin 420 Belde yana da kyawawan juriya saboda abubuwan da ke cikin carbon (carbons ɗin carbon :, Don haka ƙwayoyin cuta ne don samar da kayan aikin ruwa.
Lokaci: Jul-07-2020