40CrMo 42CrMo 42CrMo4 Alloy Karfe Bututu/Tubes

40CrMo 42CrMo 42CrMo4 Alloy Karfe Bututu/Babban Filayen Hoto

Takaitaccen Bayani:

42CrMo alloy bututu maras kyau shine ƙarfe mai ƙarfi mai ƙarfi tare da ƙarfi mai ƙarfi da tauri, mai ƙarfi mai ƙarfi, babu ƙarancin zafin jiki, da ƙaramin nakasawa yayin kashewa.Bayan quenching da tempering, 42CrMo gami da bututu maras kyau yana da iyakar gajiya da juriya mai yawa, tasirin tasiri mai kyau a ƙananan zafin jiki, da ƙarfi mai ƙarfi da ƙarfin juriya a babban zafin jiki.Ana amfani da quenching surface bayan quenching da tempering a matsayin tsarin maganin zafi don 42CrMo gami da bututu marasa ƙarfi.

Aika mana imel

Cikakken Bayani

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Gabatarwar Samfur

Ba shi da wani bayyanannen tashin hankali, ƙananan nakasawa a lokacin quenching, iyakar gajiya mai yawa da juriya masu yawa bayan quenching da jin zafi.42CrMo gami da bututu maras kyau yana da tasirin tasiri mai kyau a ƙananan zafin jiki da ƙarfi mai ƙarfi da ƙarfin juriya a babban zafin jiki.Ana amfani da quenching surface bayan quenching da tempering a matsayin tsarin maganin zafi don 42CrMo gami da bututu marasa ƙarfi.

Alloy na musamman karfe:41Cr4,25CrMo4,30CrMo4,34CrMo4,42CrMo4

OD: 20-660mm WT: 2.3-100mm L: 5.8M, 6M, 11.8M, 12M ko kowane tsayi da aka ƙayyade.

Aikace-aikace: Machining, Janar injiniya, crane hannu, Bushes, Silinda Daban-daban, Conveyor Rolls, m Shafts, m sassa da aka gyara, Kwaya, Zobba, da dai sauransu

Aikace-aikacen samfur

Aikace-aikace na 42CrMo gami da bututu maras kyau: ƙarfe na musamman da ake amfani da shi don gadoji shine "42CrMo", ƙarfe na musamman don ginshiƙan mota shine "42CrMo", kuma ƙarfe na musamman don tasoshin matsa lamba shine "42CrMo".Irin wannan ƙarfe yana inganta kayan aikin ƙarfe ta hanyar daidaita abun ciki na carbon (c).Saboda haka, bisa ga abubuwan da ke cikin carbon, ana iya raba irin wannan nau'in karfe zuwa: ƙananan ƙarfe na carbon - abun ciki na carbon gaba ɗaya bai wuce 0.25% ba, kamar karfe 10 da 20;Matsakaicin karfen carbon -- abun cikin carbon gabaɗaya yana tsakanin 0.25 da 0.60%, kamar ƙarfe 35 da 45;Babban karfen carbon -- abun cikin carbon gabaɗaya ya fi 0.60%.Gabaɗaya ba a amfani da irin wannan ƙarfe don yin bututun ƙarfe.

Aikace-aikace na yau da kullun
Ya dace da yin manyan gyare-gyaren filastik masu girma da matsakaici masu buƙatar takamaiman ƙarfi da tauri.

Nuni samfurin

Haɗin Sinadari (Binciken Cast) Don Tubes Anyi Daga Ƙarfe Na Musamman A % Ta Mass^a

Karfe daraja		C		Si	Mn		P	S	Cr		Mo		Ni
Sunan karfe	Lambar karfe	min.	max.	max.	min.	max.	max.	max.	min.	max.	min.	max.	min.	max.
41Cr4	1.7035	0,38	0,45	0,40	0,60	0,90	0,035	0,035	0,90	1,20	-	-	-	-
25CrMo4	1.7218	0,22	0,29	0,40	0,60	0,90	0,035	0,035	0,90	1,20	0,15	0,30	-	-
30CrMo4	1.7216	0,27	0,34	0,35	0,35	0,60	0,035	0,035	0,80	1,15	0,15	0,30	-	-
34CrMo4	1.7220	0,30	0,37	0,40	0,60	0,90	0,035	0,035	0,90	1,20	0,15	0,30	-	-
42CrMo4	1.7225	0,38	0,45	0,40	0,60	0,90	0,035	0,035	0,90	1,20	0,15	0,30	-	-
a Duba kuma 7.1.
b<0.25% Ku.

Kayayyakin Injini don Tubes Anyi da Karfe daidai da Tebu 6 a Yanayin Bayarwa +QT

Karfe daraja		Ƙananan kaddarorin juzu'i
Sunan karfe	Lambar karfe	Ƙarfin Haɓaka (ReH) MPa				Ƙarfin ƙarfi (RM) MPa				Tsawaita A%
		Don T a mm				Don T a mm				Don T a mm
		T≤8	8 t≤20	20 \| T≤50	50 \| T≤80	T≤8	8 t≤20	20 \| T≤50	50 \| T≤80	T≤8		8 t≤20		20 \| T≤50		50 \| T≤80
		T≤8	8 t≤20	20 \| T≤50	50 \| T≤80	T≤8	8 t≤20	20 \| T≤50	50 \| T≤80	l	t	l	t	l	t	l	t
41Cr4	1.7035	800	660	560	-	1000	900	800	-	11	9	12	10	14	12	-	-
25CrMo4	1.7218	700	600	450	400	900	800	700	650	12	10	14	12	15	13	16	14
30CrMo4	1.7216	750	630	520	480	950	850	750	700	12	10	13	11	14	12	15	13
34CrMo4	1.7220	800	650	550	500	1000	900	800	750	11	9	12	10	14	12	15	13
42CrMo4	1.7225	900	750	650	550	1100	1000	900	800	10	8	11	9	12	10	13	11
NOTE l = mai tsayi, t = juye.

Hakuri Akan Diamita Na Waje Da Akan Kauri

Haƙuri na Tsawon Tsawon Su:
Lokacin da Tsawon yayi daidai 6000mm, Haƙuri 0/+10
Lokacin 6 000 <L = 12 000, Haƙuri 0/+15
Lokacin> 12 000, Haƙuri 0/+ ta yarjejeniya
Ƙayyadaddun tsari da kaddarorin jiki na 42CrMo karfe bututu
42CrMo karfe bututu, carbon abun ciki: 0.38 ~ 0.45%, silicon: 0.17 ~ 0.37%, manganese: 0.50 ~ 0.80%.

42CrMo karfe bututu nasa ne na matsananci-high ƙarfi karfe, tare da babban ƙarfi da taurin, mai kyau hardenability, babu wani fili tempering brittleness, high gajiya iyaka da mahara tasiri juriya bayan quenching da tempering jiyya, da kuma mai kyau low-zazzabi tasiri tauri.

Karfe ya dace da kera manyan gyare-gyaren filastik masu girma da matsakaici waɗanda ke buƙatar takamaiman ƙarfi da ƙarfi.Madaidaicin ma'auni na ƙungiyar ƙasa da ƙasa: 42CrMo4 yayi daidai da alamar Jafananci: scm440 yayi daidai da alamar Jamusanci: 42CrMo4 kusan daidai da alamar Amurka: halaye 4140 da iyakokin aikace-aikacen: babban ƙarfi, ƙarfin ƙarfi, tauri mai kyau, ƙaramin nakasawa yayin kashewa, ƙarfi mai ƙarfi da ƙarfi. ƙarfin juriya a babban zafin jiki.Ana amfani dashi don kera ƙirƙira tare da ƙarfi mafi girma kuma mafi girma quenching da tempering giciye-sashe fiye da 35CrMo karfe, kamar manyan kaya don locomotive gogayya, watsa kaya na supercharger, raya axle, haɗa sanda da kuma bazara matsa tare da babban kaya, rawar soja hadin gwiwa da kuma kayan aikin kamun kifi na mai mai zurfin rijiyar ƙasa da 2000m, da mold don injin lanƙwasa.

Haɗin Sinadari

Sulfur s: abun ciki da aka yarda da shi ≤ 0.035%

Phosphorus P: abun ciki da aka halatta ≤ 0.035%

Chromium (CR): 0.90 ~ 1.20%

Nickel Ni: abun ciki da aka halatta ≤ 0.030%

Copper Cu: abun ciki da aka halatta ≤ 0.030%

Molybdenum (MO): 0.15 ~ 0.25%

Danniya mai izini na 42CrMo

42CrMo halatta danniya 186 ～ 310 / MPa, yawan amfanin ƙasa 930 σ S / MPa, 42CrMo yana da babban ƙarfi, hardenability, mai kyau tauri, kananan nakasawa a lokacin quenching, da kuma high creep ƙarfi da jimiri ƙarfi a high zazzabi.Ana amfani da bututun ƙarfe na 42CrMo don kera ƙirƙira tare da ƙarfi mafi girma da yanki mafi girma da zafin jiki fiye da karfe 35CrMo.

Dukiya ta Jiki

1) Matsayi mai mahimmanci (kimanin): AC1 = 730 ° C, AC3 = 800 ° C, Ms = 310 ° C.

2) Matsakaicin fadada layin layi: zafin jiki 20 ~ 100 ° C / 20 ~ 200 ° C / 20 ~ 300 ° C / 20 ~ 400 ° C / 20 ~ 500 ° C / 20 ~ 600 ° C, madaidaicin haɓakar haɓakawa: 11.1 × 10K /12.1 × 10K/12.9 × 10K/13.5 × 10K/13.9 × 10K14.1 × 10K.

3) Na roba modulus: zafin jiki 20 ° C / 300 ° C / 400 ° C / 500 ° C / 600 ° C, na roba modulus 210000mpa / 185000mpa / 175000mpa / 165000mpa / 15500mpa

Ƙayyadaddun tsari

Bayanin aiki mai zafi
The dumama zafin jiki ne 1150 ~ 1200 ° C, da farawa zafin jiki ne 1130 ~ 1180 ° C, da kuma karshen zafin jiki ne> 850 ° C, φ> 50mm, jinkirin sanyaya.

Daidaita ƙayyadaddun ƙayyadaddun bayanai
Matsakaicin zafin jiki na yau da kullun shine 850 ~ 900 ° C, kuma tanderun yana sanyaya iska.

Ƙayyadaddun yanayin zafi mai girma
Yanayin zafin jiki shine 680 ~ 700 ° C, kuma tanderun yana sanyaya iska.

Quenching da tempering ƙayyadaddun bayanai
Preheating zazzabi 680 ~ 700 ° C, quenching zafin jiki 840 ~ 880 ° C, mai sanyaya, tempering zazzabi 580 ° C, ruwa sanyaya ko man sanyaya, taurin ≤ 217hbw.

Ƙididdiga don ƙarfafa subcritical da ƙarfafawa
Quenching zafin jiki 900 ° C, zafin jiki na 560 ° C, taurin (37 ± 1) HRC

Ƙayyadewa don quenching induction da tempering
Quenching zafin jiki 900 ° C, tempering zazzabi 150 ~ 180 ° C, taurin 54 ~ 60HRC.

Ƙayyadaddun tsari

Bayanin aiki mai zafi
The dumama zafin jiki ne 1150 ~ 1200 ° C, da farawa zafin jiki ne 1130 ~ 1180 ° C, da kuma karshen zafin jiki ne> 850 ° C, φ> 50mm, jinkirin sanyaya.

Daidaita ƙayyadaddun ƙayyadaddun bayanai
Matsakaicin zafin jiki na yau da kullun shine 850 ~ 900 ° C, kuma tanderun yana sanyaya iska.

Ƙayyadaddun yanayin zafi mai girma
Yanayin zafin jiki shine 680 ~ 700 ° C, kuma tanderun yana sanyaya iska.

Ƙididdiga don ƙarfafa subcritical da ƙarfafawa
Quenching zafin jiki 900 ° C, zafin jiki na 560 ° C, taurin (37 ± 1) HRC

Ƙayyadewa don quenching induction da tempering
Quenching zafin jiki 900 ° C, tempering zazzabi 150 ~ 180 ° C, taurin 54 ~ 60HRC.

Na baya: SAE52100 GCr15 Bearing Karfe Tube

Na gaba:Hot Rolled Gas Silinda Karfe Plate

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