GB/T 9948-2013 Matsayi na 1Cr2Mo Mai Fasa Bututun Mai Marasa Ciki Mai Fassara Hoto

GB.

Takaitaccen Bayani:

Bututun fasa man fetur bututun ƙarfe ne mara ƙarfi, dogo, zagaye maras sumul.Aikace-aikacen bututun mai: Ana amfani da shi don jigilar man fetur, kananzir, man dizal da sauran kayayyakin mai, waɗanda ke iya jure lalata da lalacewa.Bututun fasa man fetur (gb9948-83) bututun ƙarfe ne na farko wanda ya dace da haƙon ƙasa da haƙon masana'antu.

Aika mana imel

Cikakken Bayani

Tags samfurin

Gabatarwar samfur

Mai fasa bututu yankan dillali, sarrafa bututun mai, sarrafa bututun mai ana amfani da shi sosai don kera bututun bututun tururi mai inganci na carbon tsarin karfe, gami tsarin karfe da bakin karfe mai jure zafi high matsa lamba bututu, wadannan tukunyar jirgi bututu aiki a karkashin high zafin jiki da kuma matsa lamba, da tube a cikin rawar da high zafin jiki hayaki gas da kuma ruwa tururi kuma zai zama hadawan abu da iskar shaka bututu da kuma lalata, don haka da petroleum fatattaka bututu da ake bukata don samun high dindindin ƙarfi Saboda haka, da man fetur fatattaka tube ake bukata. suna da ƙarfin juriya mai ƙarfi, juriya mai ƙarfi na iskar shaka, da kwanciyar hankali mai kyau na ƙungiya.

Ƙarfafawar bututu mai fashewar man fetur yana da babban tasiri a kan kayan aikin injiniya, amma ba duk sassan injin dole ne a taurare gaba ɗaya ba.Misali, lankwasawa, torsion danniya shaft sassa, saman zafi jiyya sassa, da dai sauransu, kawai bukatar wani zurfin taurare Layer don saduwa da bukatun na amfani.Matsakaicin kashe bututun mai yana samuwa ne ta hanyar sanyaya mai mahimmanci, ƙarami mai mahimmancin yanayin sanyaya, mafi kyawun quenchability na fasa bututun mai, kuma akasin haka, raguwar ƙarancin bututun mai.Baya ga Co, yawancin abubuwan haɗin gwiwa na iya haɓaka ƙarfin ƙarfe sosai.

Gabatarwar Kasuwa

Kasuwar bututun man fetur sama da kasa, wasan dogo da gajere yana da tsanani, kasuwar ta yi cakuduwa, wanda kuma ya haifar da ci gaban yanayin jira da gani, an daina bukatar kasuwa.Kamar yadda ranar ciniki ta ƙarshe kafin farashin makomar hutu ya ragu, kuma babu ciniki na gaba a lokacin biki, sabili da haka, kasuwar da aka buɗe a kan makomar 10th har yanzu tana ci gaba da raguwa.Idan makomar ta yi kasa, idan babu labari mai dadi da zai bunkasa yuwuwar kasuwar tabo bututun mai da zai biyo bayan faduwar farashin mai, ana sa ran farashin man fetur zai yi kasa a gwiwa.

Kaurin bangon diamita na waje

Diamita na waje / mm	Kaurin bango/mm
	1	1.5	2	2.5	3	3.5	4	5	6
	Ingancin ka'idar/(kg/m)
10	0.222	0.314	0.395
14	O.321	0.462	O.592	O.709
18			0.789	0.956
19			0.838	1.02
25			1.13	1.39	1.63
32				1.82	2.15	2.46	2.76
38					2.59	2.98	3.35
45					3.11	3.58	4.04	4.93
57							5.23	6.41	7.55
60							5.52	6.78	7.99

Nuni samfurin

Kayan aikin injiniya

Daidaitawa	Alamar	Ƙarfin ƙarfi (MPa)	Ƙarfin Haɓaka (MPa)	Tsawaitawa (%)	Ikon Tasiri (J)	Brinell hardness (HB)	Matsayin Bayarwa
GB9948	10	330 zuwa 490	≥205	≥24	/	/	Wuta mai kyau
20	410 ~ 550	≥245	≥21	≥39	/	Wuta mai kyau
15CrMo	440 ~ 640	≥235	≥21	≥47	≤170	Normalizing da tempering
1Cr2Mo	≥390	≥175	≥22	≥92	≤179	Normalizing da tempering
1Cr5Mo	≥390	≥195	≥22	≥92	≤187	Annealing

Babban abun da ke ciki.

10#(st35),20#(st45),35#(st55),45#(st45),16Mn(st52),da sauransu.

DIN2391-81 daidaitaccen juzu'in diamita na waje shine 0.08-0.10, haƙurin diamita na ciki shine 0.10-0.15, haƙurin bangon bango shine 0.10-0.15.

Abubuwan sinadaran

Daidaitawa	Alamar	Abubuwan sinadaran (%)
C	Si	Mn	P	S	Cr	Mo	Ni
GB9948	10	0.07 zuwa 0.14	0.17 zuwa 0.37	0.35 zuwa 0.65	≤0.035	≤0.035	≤0.15	/	≤0.25
20	0.17 zuwa 0.24	0.17 zuwa 0.37	0.35 zuwa 0.65	≤0.035	≤0.035	≤0.25	/	≤0.25
15CrMo	0.12 zuwa 0.18	0.17 zuwa 0.37	0.40 zuwa 0.70	≤0.035	≤0.035	0.80 ~ 1.10	0.40 zuwa 0.55	≤0.30
1Cr2Mo	≤0.15	0.50 ~ 1.00	0.30 zuwa 0.60	≤0.035	≤0.030	2.15 zuwa 2.85	0.45 zuwa 0.65	/
1Cr5Mo	≤0.15	≤0.50	≤0.60	≤0.035	≤0.030	4.00 ~ 6.00	0.45 zuwa 0.60	≤0.60	Karfe