GB 5310 20G Igwe mmiri ọkụ dị elu

GB 5310 20G Igwe ọkụ ọkụ dị elu egosipụtara onyonyo

Nkọwa dị mkpirikpi:

20G enweghị nkebi ígwè ọkpọkọ bụ a elu-edu carbon structural ígwè, ji esi mmiri ọkụ ihe, na carbon ọdịnaya nke 0.17-0.24%, tensile ike nke 410Mpa, mkpụrụ point 230-250Mpa.Bụ isi mmepụta anyị nke ígwè, anyị nwere ike ịnye 20G enweghị ọkpọkọ na ọnụahịa dị elu na asọmpi.Ebe a ka ewebata gị 20G enweghị nkebi ọkpọkọ bụ isi kemịkalụ na n'ibu Njirimara.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Ngwakọta kemịkalụ(%)

Ọkwa	C	Si	Mn	S	P	Cr	Mo	V	Ti	B	W	Ni	Al	Nb	N
20G	0.17-0.23	0.17-0.37	0.35-0.65	0.015	0.025
20 MnG	0.17-0.24	0.17-0.37	0.70-1.00	0.015	0.025
25 MnG	0.22-0.27	0.17-0.37	0.70-1.00	0.015	0.025
15 MoG	0.12-0.20	0.17-0.37	0.40-0.80	0.015	0.025		0.25-0.35
20 MoG	0.15-0.25	0.17-0.37	0.40-0.80	0.015	0.025		0.44-0.65
12CrMoG	0.08-0.15	0.17-0.37	0.40-0.70	0.015	0.025	0.40-0.70	0.40-0.55
15CrMoG	0.12-0.18	0.17-0.37	0.40-0.70	0.015	0.025	0.80-1.10	0.40-0.55
12Cr2MoG	0.08-0.15	≤0.60	0.40-0.60	0.015	0.025	2.00-2.50	0.90-1.13
12Cr1MoVG	0.08-0.15	0.17-0.37	0.40-0.70	0.01	0.025	0.90-1.20	0.25-0.35	0.15-0.30
12Cr2MoWVTiB	0.08-0.15	0.45-0.75	0.45-0.65	0.015	0.025	1.60-2.10	0.50-0.65	0.28-0.42	0.08-0.18	0.002-0.008	0.30-0.55
10Cr9Mo1VNbN	0.08-0.12	0.20-0.50	0.30-0.60	0.01	0.02	8.00-9.50	0.85-1.05	0.18-0.25				≤0.040	≤0.040	0.06-0.10	0.03-0.07

Ngosipụta ngwaahịa

Ihe eji arụ ọrụ

Ọkwa	Ike ọdụdọ	Ọnụ mkpụrụ (Mpa)	Mgbatị(%)	Mmetụta (J)
Ọkwa	(Mpa)	ọ bụghị ihe na-erughị	ọ bụghị ihe na-erughị	ọ bụghị ihe na-erughị
20G	410-550	245	24/22	40/27
25MnG	485-640	275	20/18	40/27
15MoG	450-600	270	22/20	40/27
20MoG	415-665	220	22/20	40/27
12CrMoG	410-560	205	21/19	40/27
12 cr2MoG	450-600	280	22/20	40/27
12 Cr1MoVG	470-640	255	21/19	40/27
12Cr2MoWVTiB	540-735	345	18	40/27
10Cr9Mo1VNb	≥585	415	20	40
1Cr18Ni9	≥520	206	35
1Cr19Ni11Nb	≥520	206	35