Proses perawatan panas saka 9Cr2Mo forgings

9 bahan cr2mo kanggo baja gulung kadhemen Cr2 khas utamane ing industri sing digunakake ing pabrik gulungan kadhemen kanthi roller roller saka kadhemen mati lan pukulan etc forging nanging akeh sing ora ngerti babagan cara perawatan panas 9 cr2mo, mula ing kene utamane kanggo pirembagan bab 9 cr2mo cara perawatan panas, ngarep-arep dadi spheroidizing annealing: 1 790 ~ 810 dadi panas, isothermal, 650 ~ 670, 500 saka cooling online; 2 quenching: suhu panas = 880 ~ 900, cooling quenching: miturut forgings beda lan syarat beda, cooling medium kayata banyu PAG quenching lenga adi bisa digunakake.
Cathetan: Tempa kasebut minangka baja gulungan dingin Cr2.

https://www.shdhforging.com/flanges/

3 Suhu titik kritis (nilai kira-kira): Ac1 =740 C Ar1 =700 C Accm:850 C 4 Spesifikasi Umum Softening kanggo cold pressed blank:(820 10) C 3 ~ 4h, kanthi tingkat pendinginan .15 C / jam, kanthi tungku alon-alon adhem nganti 650 C, 5 kadhemen ditekan kosong saka pendinginan oven nganti spesifikasi pelunak spindle-spindled:(820 10) C 3 ~ 4h, (720 10) C 6 ~ 8h, banjur kanthi tungku alon-alon adhem nganti 600 C, Spesifikasi kanggo normalisasi: suhu normalisasi 900 ~ 920 C, kekerasan 302-388HBW 7 Batch isothermal spheroidizing ~ Annealing :790 810 C 2 ~ 3h, tungku cooling, 7O0-720 C 3 ~ 4h, atose 217HBW, jaringan Pearlitic kelas 2-5, Spesifikasi kanggo quenching lan tempering 8 forgings saka bolong carbide kelas 2 1. Quenching suhu 830-850 C, atose 62-65 HRC, tempering suhu 130-150 C, atose 62-65 HRC 2. Quenching suhu 840-860 C, atose 61-63 HRC, tempering suhu 150-170 C, atose 60-62HRC.


Wektu kirim: Aug-04-2020

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