C(%) | 0.95~1.05 | Si (%) | 0.15~0.35 | Mn (%) | 0.25~0.45 | P(%) | ≤0.025 |
S (%) | ≤0.025 | Cr (%) | 1.40~1.65 |
Kayan aikin injiniya na GB GCr15 mai ɗauke da ƙarfe (na yau da kullun don ƙarfe) an zayyana su a cikin tebur da ke ƙasa:
Tashin hankali | yawa | Matukar girma | Modules mai ƙarfi | Rabon Poisson | Ƙarfafawar thermal |
MPa | Mpa | Gpa | Gpa | W/mK | |
520 | 415 Min | 140 | 80 | 0.27-0.30 | 46.6 |
Maganin zafi mai alaƙa
A hankali mai zafi zuwa 790-810 ℃ kuma ba da izinin isa lokaci, bari karfe ya zama mai zafi sosai, Sa'an nan kuma kwantar da hankali a cikin tanderun. Daban-daban annealing hanyoyin za su samu daban-daban taurin. The GCr15 bearing karfe zai samu Hardness MAX 248 HB (Brinell hardness).
Zazzabi sannu a hankali zuwa 860 ° C, Sa'an nan kuma quenching da mai samun 62 zuwa 66 HRC taurin. High zafin jiki tempering: 650-700 ℃, sanyi a cikin iska, samun taurin 22 zuwa 30HRC. Ƙunƙarar zafin jiki: 150-170 ℃, Cool in ari, sami taurin 61-66HRC.
GB GCr15 karfe na iya zafi aiki a 205 zuwa 538°C, GCr15 Ƙarfe mai ɗaukar ƙarfe na iya yin sanyi ta amfani da dabaru na al'ada a cikin yanayin da aka ɓoye ko aka daidaita.
GB GCr15 karfe ana amfani da ko'ina don aikace-aikace iri-iri a cikin abin da aka yi amfani da shi zuwa bearings a cikin injin juyawa. Aikace-aikace na yau da kullun kamar jikin bawul, famfo da kayan aiki, babban nauyin dabaran, kusoshi, kusoshi mai kai biyu, gears, injin konewa na ciki. Electric locomotives, inji kayan aikin, tarakta, karfe mirgina kayan aiki, m inji, Railway abin hawa, da kuma karafa inji watsa shaft a kan karfe ball, nadi da shaft hannun riga, da dai sauransu.