Awọn ohun elo 9 cr2mo fun aṣoju Cr2 tutu eerun irin jẹ pataki ni ile-iṣẹ ti a lo ninu iṣelọpọ ti yiyi tutu pẹlu rola ti rola ti tutu ku ati punch ati bẹbẹ lọ forging ṣugbọn ọpọlọpọ sọ pe ko mọ nipa ọna itọju ooru 9 cr2mo, nitorinaa nibi ni akọkọ. lati sọrọ nipa ọna itọju ooru 9 cr2mo, nireti lati jẹ ti spheroidizing annealing: 1 790 ~ 810 alapapo, isothermal, 650 ~ 670, 500 lati itutu agbaiye; 2 quenching: alapapo otutu = 880 ~ 900, itutu agbaiye: ni ibamu si awọn oriṣiriṣi oriṣiriṣi ati awọn ibeere oriṣiriṣi, alabọde itutu gẹgẹbi omi PAG quenching omi epo le ṣee lo.
Akiyesi: Awọn ayederu jẹ aṣoju Cr2 tutu eerun irin.

3 Lominu iwọn otutu (iye isunmọ): Ac1 = 740 C Ar1 = 700 C Accm : 850 C 4 Awọn alaye rirọ ti o wọpọ fun òfo titẹ tutu820 10) C 3 ~ 4h, pẹlu awọn itutu oṣuwọn ti.15 C / h, pẹlu awọn ileru laiyara itutu si 650 C, 5 tutu e òfo lati adiro itutu si spindle-spindled rirọ ni pato.820 10) C 3 ~ 4h, (720 10) C 6 ~ 8h, lẹhinna pẹlu ileru laiyara itutu si 600 C, Ni pato fun normalizing: normalizing otutu 900 ~ 920 C, líle 302-388HBW 7 Batch isothermal ~ spheroidizing Annealing: 810 C 2 ~ 3h, ileru itutu agbaiye, 7O0-720 C 3 ~ 4h, líle 217HBW, Pearlitic tissue grade 2-5, Ni pato fun quenching ati tempering ti 8 forgings ti mesh carbide ite 2 1. Quenching otutu 830-850 C, líle 62-65 HRC, tempering otutu 130-150 C, lile 62-65 HRC 2. Quenching otutu 840-860 C, líle 61-63 HRC, tempering otutu 150-170 C, líle 60-62HRC.