9 bahan cr2mo pikeun baja gulung tiis Cr2 khas utamina dina industri anu dianggo dina pembuatan gulungan tiis kalayan roller roller tina paeh tiis sareng punch jsb ngajalin tapi seueur anu nyarios henteu terang ngeunaan metode perlakuan panas 9 cr2mo, janten di dieu utamina mun ngobrol ngeunaan 9 cr2mo métode perlakuan panas, miharep janten spheroidizing annealing: 1 790 ~ 810 pemanasan, isothermal, 650 ~ 670, 500 tina cooling hawa; 2 quenching: suhu pemanasan = 880 ~ 900, cooling quenching: nurutkeun forgings béda jeung sarat béda, cooling sedeng kayaning cai PAG quenching minyak cairan bisa dipaké.
Catetan: Forgings mangrupikeun baja gulungan tiis Cr2.
3 Suhu titik kritis (nilai perkiraan): Ac1 = 740 C Ar1 = 700 C Accm: 850 C 4 Spésifikasi Softening umum pikeun kosong dipencet tiis820 10) C 3 ~ 4h, kalawan laju cooling of.15 C / h, kalawan tungku lalaunan cooling ka 650 C, 5 tiis dipencet kosong tina cooling oven mun spésifikasi softening spindle-spindled.820 10) C 3 ~ 4h, (720 10) C 6 ~ 8h, lajeng kalawan tungku lalaunan cooling ka 600 C, Spésifikasi pikeun normalizing: normalizing hawa 900 ~ 920 C, karasa 302-388HBW 7 Batch isothermal spheroidizing Annealing: 790 810 C 2 ~ 3h, cooling tungku, 7O0-720 C 3 ~ 4h, karasa 217HBW, jaringan Pearlitic kelas 2-5, Spésifikasi pikeun quenching na tempering of 8 forgings of bolong carbide kelas 2 1. Suhu quenching 830-850 C, karasa 62-65 HRC, tempering hawa 130- 150 C, karasa 62-65 HRC 2. hawa quenching 840-860 C, karasa 61-63 HRC, tempering hawa 150-170 C, karasa 60-62HRC.
waktos pos: Aug-04-2020