9SiCr yotentha yozungulira zitsulo zozungulira

9 sicr chitsulo ndi otsika aloyi kudula chitsulo, komanso nthawi zambiri kuzizira ntchito nkhungu mbali, zotsatira zake ndi zabwino kwambiri. Izo kuposa zitsulo za chrome (Cr2 kapena 9 Cr2) zimakhala ndi kuuma kwambiri komanso kuuma komanso kukhazikika kwamphamvu. Mawu achitsulo ochokera ku Soviet Union wakale kuyambira 9 xc, omwe kale ankadziwika kuti 9 crsi steel. Mapangidwe ndi magwiridwe antchito ndi 9 xc ndizofanana.
Kufotokozera kwamafuta ochepa
Zofunika mu ndale mlengalenga kapena zoteteza mlengalenga kutentha ng'anjo, preheating kutentha 700 ~ 80 ° C o kwa nthawi yoyamba, akugwira nthawi 1. 0 ~ 1.5 h, wachiwiri 850 ~ 900 ° C, 2 min/mm, nthawi. Kuteteza kutentha kwa kutentha kwa 100 ℃ kapena kuchepera pambuyo pa liwiro mpaka 1100 ~ 1150 ℃, kugwira nthawi 1.0 ~ 1.5 min/mn. Nthawi zambiri kutembenukira kwa billet m'kati Kutentha, yunifolomu kutentha, mokwanira anapsa. The forging kutentha 1050 ~ 1100 ° C, mobwerezabwereza mtanda iwiri mpaka kufooketsa forging, pambuyo anapeka aloyi carbide kalasi mlingo 2 kapena zochepa.

Kapangidwe ka mankhwala (wt.%)

C (％)	Ndi(％)	Mn(％)	P (％)	S(％)	Cr(％)	Ndi(％)	V(%)
0.85～0.95	1.20～1.60	0.30～0.60	≤0.030	≤0.030	0.95～1.25	≤0.20	≤0.20

Mechanical Properties

Rp0.2 (MPa)	Rm (MPa)	Zotsatira KV (J)	Elongation A (%)	A Z (%)	Kutumiza	Kulimba HB
543 (≥)	234 (≥)	31	21	41	Solution & Kukalamba, Ann, Ausaging, Q+T	123

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