Babban Mai ƙera don ASTM 4140 42CrMo4 42CrMo Hot Rolled Alloy Mai Saurin Karfe Tube Bututu Samfur
Takaitaccen Bayani:
Dangane da ma'aunin tashin hankali, mun yi imanin cewa za ku yi ta nema daga nesa don duk wani abu da zai iya doke mu.Za mu iya sauƙi bayyana tare da cikakken yaƙĩni cewa ga irin wannan kyau quality a irin wannan cajin mu ne mafi ƙasƙanci a kusa da Jagoran Manufacturer for ASTM 4140 42CrMo4 42CrMo Hot Rolled Alloy Seamless Karfe Tube bututu Product, A mu m tare da saman ingancin fara tare da matsayin mu taken. muna ƙera samfuran da aka yi gaba ɗaya a Japan, daga siyan kayan zuwa sarrafawa.Wannan yana ba su damar yin amfani da su tare da kwanciyar hankali.
Dangane da ma'aunin tashin hankali, mun yi imanin cewa za ku yi ta nema daga nesa don duk wani abu da zai iya doke mu.Za mu iya bayyana cikin sauƙi tare da cikakken tabbacin cewa don irin wannan inganci a irin waɗannan cajin mu ne mafi ƙasƙanci a kusa daChina 42CrMo4 Alloy Bakin Karfe Bututu, A lokacin a cikin shekaru 11, Mun halarci fiye da 20 nune-nunen, samun mafi girma yabo daga kowane abokin ciniki.Kamfaninmu yana ba da wannan "abokin ciniki na farko" kuma ya himmatu don taimaka wa abokan ciniki fadada kasuwancin su, ta yadda za su zama Babban Boss!
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 kula da 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-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 abun ciki na carbon, irin wannan karfe za a iya raba zuwa: low carbon karfe - da carbon abun ciki ne kullum kasa da 0.25%, kamar 10 da 20 karfe;Matsakaicin carbon karfe - abun cikin carbon gabaɗaya tsakanin 0.25 da 0.60%, kamar 35 da 45 karfe;High carbon karfe - da carbon abun ciki ne kullum 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.
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. |
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 | ||||||
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. |
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.
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.
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
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.
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.
Dangane da ma'aunin tashin hankali, mun yi imanin cewa za ku yi ta nema daga nesa don duk wani abu da zai iya doke mu.Za mu iya bayyana cikin sauƙi tare da cikakken tabbacin cewa don irin wannan inganci a irin waɗannan cajin mu ne mafi ƙasƙanci a kusa.
Jagorar Maƙera don ASTM 4140 42CrMo4 42CrMo Hot Rolled Alloy Mai Saurin Karfe Tube Bututu Samfurin Samfurin
A kamfaninmu mai inganci don farawa tare da taken mu, muna kera samfuran da aka yi gaba ɗaya a cikin Sin, daga sayan kayan zuwa sarrafawa.Wannan yana ba su damar yin amfani da su tare da kwanciyar hankali.
China 42CrMo4 Alloy Bakin Karfe Bututu
A cikin shekaru 11, Mun halarci fiye da 20 nune-nunen, samun mafi girma yabo daga kowane abokin ciniki.Kamfaninmu yana ba da wannan "abokin ciniki na farko" kuma ya himmatu don taimaka wa abokan ciniki fadada kasuwancin su, ta yadda za su zama Babban Boss!