9SiCr na-ekpo ọkụ akpọrepu ígwè gburugburu ogwe

9 sicr ígwè bụ obere alloy ịkpụ ígwè, ma na-emekarị ka oyi na-arụ ọrụ ebu akụkụ, mmetụta dị nnọọ mma. Ọ karịa chrome ígwè (Cr2 ma ọ bụ 9 Cr2) nwere elu hardenability na hardenability na nwere elu tempering kwụsie ike. Ngosipụta nchara sitere na otu Soviet mbụ dị ka 9 xc, nke a na-akpọbu 9 crsi steel. Ngwakọta na arụmọrụ na 9 xc bụ otu ihe ahụ.
Nkọwapụta okpomọkụ dị ala
Mkpa na-anọpụ iche ikuku ma ọ bụ na-echebe ikuku ọkụ ọkụ, preheating okpomọkụ nke 700 ~ 80 ° C o maka oge mbụ, na-ejide oge 1. 0 ~ 1.5 h, nke abụọ 850 ~ 900 ° C, 2 min / mm, oge. nke okpomọkụ na-echebe okpomọkụ mkpuchi na 100 ℃ ma ọ bụ obere mgbe ọsọ ruo 1100 ~ 1150 ℃, na-ejide oge 1.0 ~ 1.5 min / mn. Kwesịrị ịgbanye billet ugboro ugboro na usoro ikpo ọkụ, otu okpomọkụ, na-agba ọkụ. The forging okpomọkụ 1050 ~ 1100 Celsius C, ugboro abụọ cross ka iwe iwe, mgbe ekpuwo alloy carbide ọkwa ọkwa 2 ma ọ bụ obere.

Ngwakọta kemịkalụ (wt.%)

C (m)	Si (％)	Mn (％)	P (M)	S (％)	Cr (％)	Nna (na)	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

Ihe eji arụ ọrụ

Rp0.2 (MPa)	Rm (MPa)	Mmetụta KV (J)	Ogologo oge A (%)	A Z (%)	Nnyefe	Isi ike HB
543 (≥)	234 (≥)	31	21	41	Ngwọta & ịka nká, Ann, Ausage, Q+T	123

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