Good Quality AISI 4130 4140 25crmo4 Nbk 30CrMo 35CrMo 42CrMo Seamless Karfe Bututu
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 kula da zafi don 42CrMo gami da bututu marasa ƙarfi.
Kamfanin yana goyon bayan falsafar "Kasancewa No.1 mai kyau, kafe akan ƙimar bashi da rikon amana don haɓaka", za ta ci gaba da samar da tsofaffi da sababbin masu siye daga gida da waje gabaɗayan zafi don Kyakkyawan Quality AISI 4130 4140 25crmo4 Nbk 30CrMo 35CrMo 42CrMo Seamless Steel Pipe, Mu, tare da buɗe hannu, muna gayyatar duk masu son siye masu sha'awar ziyartar shafin yanar gizon mu ko tuntuɓar mu musamman don ƙarin bayani.
Kamfanin yana goyan bayan falsafar "Kasancewa No.1 mai kyau, kafe akan kimar bashi da rikon amana don ci gaba", zai ci gaba da samar da tsofaffi da sababbin masu siye daga gida da waje gabaɗayan zafi donChina 4130 Bututun Karfe mara sumul da bututu mara nauyi na 30CrMo, Shekaru masu yawa na ƙwarewar aiki, mun fahimci mahimmancin samar da samfurori masu kyau da mafita da kuma mafi kyawun tallace-tallace da sabis na tallace-tallace.Yawancin matsalolin da ke tsakanin masu kaya da abokan ciniki suna faruwa ne saboda rashin kyawun sadarwa.A al'adance, masu samar da kayayyaki na iya yin shakkar tambayar abubuwan da ba su fahimta ba.Mun rushe duk waɗannan shingen don tabbatar da samun abin da kuke so zuwa matakin da kuke tsammani, lokacin da kuke so.lokacin bayarwa da sauri kuma samfurin da kuke so shine Ma'aunin mu.
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 zafin jiki 150 ~ 180 ° C, taurin 54 ~ 60HRC. Kamfanin yana goyon bayan falsafar "Be No.1 a cikin kyau kwarai, a kafe a kan kiredit rating da kuma amintacce ga girma", zai ci gaba da samar da tsofaffi da kuma sabbin masu siye daga gida da waje gabaɗayan zafi don 2019 Kyakkyawan Quality AISI 4130 4140 25crmo4 Nbk 30CrMo 35CrMo 42CrMo Seamless Steel Pipe, Mu, tare da buɗe hannu, muna gayyatar duk masu son siye masu sha'awar ziyartar shafin yanar gizon mu ko kuma tuntuɓar mu musamman ƙarin bayani.
2019 Kyakkyawan inganciChina 4130 Bututun Karfe mara sumul da bututu mara nauyi na 30CrMo, Shekaru masu yawa na ƙwarewar aiki, mun fahimci mahimmancin samar da samfurori masu kyau da mafita da kuma mafi kyawun tallace-tallace da sabis na tallace-tallace.Yawancin matsalolin da ke tsakanin masu kaya da abokan ciniki suna faruwa ne saboda rashin kyawun sadarwa.A al'adance, masu samar da kayayyaki na iya yin shakkar tambayar abubuwan da ba su fahimta ba.Mun rushe duk waɗannan shingen don tabbatar da samun abin da kuke so zuwa matakin da kuke tsammani, lokacin da kuke so.lokacin bayarwa da sauri kuma samfurin da kuke so shine Ma'aunin mu.