ASTM4140 42CrMo Alloy Steel Yeeb Nkab Seamless Steel Yeeb Nkab
Lus piav qhia luv luv:
42CrMo alloy seamless yeeb nkab yog ultra-siab zog steel nrog lub zog siab thiab toughness, zoo hardenability, tsis pom tseeb tempering brittleness, thiab me me deformation thaum quenching.Tom qab quenching thiab tempering, 42CrMo alloy seamless yeeb nkab muaj siab qaug zog txwv thiab ntau yam cuam tshuam tsis kam, zoo cuam tshuam toughness ntawm qis kub, thiab siab creep zog thiab endurance lub zog ntawm kub.Nto quenching tom qab quenching thiab tempering feem ntau yog siv los ua cov txheej txheem kho cua sov rau 42CrMo alloy seamless kav.
Lub koom haum ua rau cov txheej txheem lub tswv yim "kev tswj hwm kev tshawb fawb, kev ua tau zoo tshaj plaws thiab kev ua tau zoo primacy, tus neeg yuav khoom zoo tshaj plaws rau lub Hoobkas ASTM4140 42CrMo Alloy Steel Yeeb Nkab Seamless Steel Yeeb Nkab, Nrhiav rau yav tom ntej, txoj kev txuas ntxiv mus, nquag siv zog los ua txhua tus neeg ua haujlwm nrog tag nrho. kev txaus siab, ib puas npaug ntawm kev ntseeg siab thiab muab tso rau peb lub tuam txhab tsim ib puag ncig zoo nkauj, cov khoom siv siab heev, zoo tshaj plaws thawj-chav kawm niaj hnub lub koom haum thiab ua haujlwm nyuaj!
Lub koom haum khaws cia rau cov txheej txheem lub tswv yim "kev tswj hwm kev tshawb fawb, kev ua tau zoo tshaj plaws thiab kev ua tau zoo primacy, tus neeg yuav khoom zoo tshaj plaws rauTuam Tshoj 42CrMo Alloy Seamless Steel Yeeb Nkab, Peb ib txwm tuav lub tuam txhab cov ntsiab lus "kev ncaj ncees, kev paub dhau los, ua tau zoo thiab kev tsim kho tshiab", thiab cov luag haujlwm ntawm: cia txhua tus neeg tsav tsheb txaus siab rau kev tsav tsheb thaum hmo ntuj, cia peb cov neeg ua haujlwm paub txog lawv lub neej muaj txiaj ntsig, thiab ua kom muaj zog thiab pab ntau tus neeg.Peb tau txiav txim siab los ua tus koom ua ke ntawm peb cov khoom lag luam thiab ib qho chaw muab kev pabcuam ntawm peb cov khoom lag luam.
Nws tsis muaj qhov pom tseeb temper brittleness, me me deformation thaum lub sij hawm quenching, siab qaug zog txwv thiab ntau yam cuam tshuam tsis kam tom qab quenching thiab tempering kho.42CrMo alloy seamless yeeb nkab muaj kev cuam tshuam zoo ntawm qhov kub thiab txias thiab siab creep zog thiab endurance lub zog ntawm qhov kub thiab txias.Nto quenching tom qab quenching thiab tempering feem ntau yog siv los ua cov txheej txheem kho cua sov rau 42CrMo alloy seamless kav.
Cov hlau tshwj xeeb: 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4
OD: 20-660mm WT: 2.3-100mm L: 5.8M, 6M, 11.8M, 12M lossis lwm yam ntev.
Daim ntawv thov: Machining, General engineering, crane caj npab, Bushes, thooj voos kheej kheej Ntau, Conveyor Rolls, Hollow Shafts, Hollow Parts thiab Cheebtsam, Ceev, Rings, thiab lwm yam
Daim ntawv thov ntawm 42CrMo alloy seamless yeeb nkab: cov hlau tshwj xeeb siv rau txuas hniav yog "42CrMo", cov hlau tshwj xeeb rau tsheb girders yog "42CrMo", thiab cov hlau tshwj xeeb rau cov hlab ntsha siab yog "42CrMo".Cov hlau zoo li no txhim kho cov khoom siv hluav taws xob ntawm cov hlau los ntawm kev kho cov pa roj carbon (c) cov ntsiab lus.Yog li, raws li cov ntsiab lus carbon, cov hlau no tuaj yeem muab faib ua: cov pa roj carbon tsawg - cov ntsiab lus carbon feem ntau tsawg dua 0.25%, xws li 10 thiab 20 steel;Cov pa roj carbon nruab nrab - cov ntsiab lus carbon feem ntau ntawm 0.25 thiab 0.60%, xws li 35 thiab 45 steel;High carbon steel - cov ntsiab lus carbon feem ntau ntau dua 0.60%.Hom hlau no feem ntau tsis siv los ua cov kav hlau.
Daim ntawv thov
Haum rau kev ua cov yas pwm loj thiab nruab nrab uas xav tau qee lub zog thiab toughness.
| Qib hlau | C | Si | Mn | P | S | Cr | Mo | Ni | ||||||
| Steel npe | Hlau tooj | min. | max. | max. | min. | max. | max. | max. | min. | max. | min. | max. | min. | max. |
| 41cr 4 | 1.7035 ib | 0,38 ib | 0,45 ib | 0,40 ib | 0,60 ib | 0,90 ua | 0,035 ib | 0,035 ib | 0,90 ua | 1,20 | - | - | - | - |
| 25 CrMo4 | 1.7218 ib | 0,22 ib | 0,29 ib | 0,40 ib | 0,60 ib | 0,90 ua | 0,035 ib | 0,035 ib | 0,90 ua | 1,20 | 0,15 ib | 0,30 ib | - | - |
| 30 CrMo4 | 1.7216 ib | 0,27 ib | 0,34 ib | 0,35 ib | 0,35 ib | 0,60 ib | 0,035 ib | 0,035 ib | 0,80 ua | 1,15 | 0,15 ib | 0,30 ib | - | - |
| 34 CrMo4 | 1.7220 Nws | 0,30 ib | 0,37 ib | 0,40 ib | 0,60 ib | 0,90 ua | 0,035 ib | 0,035 ib | 0,90 ua | 1,20 | 0,15 ib | 0,30 ib | - | - |
| 42CrMo4 | 1.7225 ib | 0,38 ib | 0,45 ib | 0,40 ib | 0,60 ib | 0,90 ua | 0,035 ib | 0,035 ib | 0,90 ua | 1,20 | 0,15 ib | 0,30 ib | - | - |
| a Saib ntxiv 7.1. | ||||||||||||||
| b <0,25% Cu. | ||||||||||||||
| Qib hlau | Yam tsawg kawg nkaus tensile zog | ||||||||||||||||
| Steel npe | Hlau tooj | Yield zog (ReH) MPa | Tensile zog (Rm) MPa | Elongation A% | |||||||||||||
| Rau T hauv mm | Rau T hauv mm | Rau T hauv 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 | ||||||||||
| 41cr 4 | 1.7035 ib | 800 | 660 | 560 | - | 1000 | 900 | 800 | - | 11 | 9 | 12 | 10 | 14 | 12 | - | - |
| 25 CrMo4 | 1.7218 ib | 700 | 600 | 450 | 400 | 900 | 800 | 700 | 650 | 12 | 10 | 14 | 12 | 15 | 13 | 16 | 14 |
| 30 CrMo4 | 1.7216 ib | 750 | 630 | 520 | 480 | 950 ua | 850 | 750 | 700 | 12 | 10 | 13 | 11 | 14 | 12 | 15 | 13 |
| 34 CrMo4 | 1.7220 Nws | 800 | 650 | 550 | 500 | 1000 | 900 | 800 | 750 | 11 | 9 | 12 | 10 | 14 | 12 | 15 | 13 |
| 42CrMo4 | 1.7225 ib | 900 | 750 | 650 | 550 | 1100 | 1000 | 900 | 800 | 10 | 8 | 11 | 9 | 12 | 10 | 13 | 11 |
| CEEB TOOM l = longitudinal, t = transverse. | |||||||||||||||||
Tolerances ntawm Length:
Thaum Length sib npaug 6000mm, Tolerances 0/+10
Thaum 6 000 < L = 12 000, Tolerances 0/+15
Thaum> 12 000, Tolerances 0/+ los ntawm kev pom zoo
Cov txheej txheem specification thiab lub cev muaj zog ntawm 42CrMo steel yeeb nkab
42CrMo steel yeeb nkab, carbon cov ntsiab lus: 0.38 ~ 0.45%, silicon: 0.17 ~ 0.37%, manganese: 0.50 ~ 0.80%.
42CrMo steel yeeb nkab belongs rau ultra-siab zog steel, nrog lub zog siab thiab toughness, zoo hardenability, tsis pom tseeb tempering brittleness, siab qaug zog txwv thiab ntau yam cuam tshuam tsis kam tom qab quenching thiab tempering kev kho mob, thiab zoo low-temperature cuam tshuam toughness.
Cov hlau yog tsim rau kev tsim cov yas pwm loj thiab nruab nrab uas xav tau qee lub zog thiab toughness.Nws cov koom haum thoob ntiaj teb tus qauv hom: 42CrMo4 sib haum rau Japanese hom: scm440 sib haum rau German hom: 42CrMo4 kwv yees sib haum rau American hom: 4140 tus yam ntxwv thiab Scope ntawm daim ntawv thov: siab zog, hardenability, zoo toughness, me me deformation thaum quenching, siab creep zog thiab endurance lub zog ntawm qhov kub thiab txias.Nws yog siv los tsim cov forgings nrog lub zog siab dua thiab loj dua quenching thiab tempering hla ntu tshaj 35CrMo steel, xws li cov iav loj rau kev sib tsoo, kev sib kis ntawm supercharger, rear qag, txuas pas nrig thiab lub caij nplooj ntoos hlav clamp nrog kev thauj khoom zoo, laum yeeb nkab sib koom thiab nuv ntses cuab tam rau cov roj tob tob hauv qab 2000m, thiab pwm rau dabtsi yog khoov tshuab.
Sulfur s: tso cai cov ntsiab lus seem ≤ 0.035%
Phosphorus P: tso cai cov ntsiab lus seem ≤ 0.035%
Chromium (CR): 0.90 ~ 1.20%
Nickel Ni: tso cai cov ntsiab lus seem ≤ 0.030%
Copper Cu: tso cai cov ntsiab lus seem ≤ 0.030%
Molybdenum (MO): 0.15 ~ 0.25%
Tso cai kev ntxhov siab ntawm 42CrMo
42CrMo tso cai rau kev ntxhov siab 186 ~ 310 / MPa, yield point 930 σ S / MPa, 42CrMo muaj lub zog siab, hardenability, zoo toughness, me me deformation thaum quenching, thiab siab creep zog thiab endurance lub zog ntawm qhov kub thiab txias.42CrMo steel yeeb nkab yog siv los tsim cov forgings uas muaj zog dua thiab loj dua quenched thiab tempered seem tshaj 35CrMo steel.
1) Qhov ntsuas kub tseem ceeb (kwv yees): AC1 = 730 ° C, AC3 = 800 ° C, Ms = 310 ° C.
2) Linear expansion coefficient: kub 20 ~ 100 ° C / 20 ~ 200 ° C / 20 ~ 300 ° C / 20 ~ 400 ° C / 20 ~ 500 ° C / 20 ~ 600 ° C, linear expansion coefficient: 11.1 × 10K 12.1 × 10K / 12.9 × 10K / 13.5 × 10K / 13.9 × 10K14.1 × 10K.
3) Elastic modulus: kub 20 ° C / 300 ° C / 400 ° C / 500 ° C / 600 ° C, elastic modulus 210000mpa / 185000mpa / 175000mpa / 165000mpa / 15500mpa
Kub ua hauj lwm specification
Cov cua kub kub yog 1150 ~ 1200 ° C, qhov pib kub yog 1130 ~ 1180 ° C, thiab qhov kawg kub yog> 850 ° C, φ> 50mm, txias txias.
Normalizing specification
Lub normalizing kub yog 850 ~ 900 ° C, thiab lub cub tawg yog txias los ntawm huab cua.
Kub kub tempering specification
Lub tempering kub yog 680 ~ 700 ° C, thiab lub cub tawg yog txias los ntawm huab cua.
Quenching thiab tempering specifications
Preheating kub 680 ~ 700 ° C, quenching kub 840 ~ 880 ° C, roj txias, tempering kub 580 ° C, dej txias los yog roj txias, hardness ≤ 217hbw.
Specification rau subcritical strengthening thiab toughening
quenching kub 900 ° C, tempering kub 560 ° C, hardness (37 ± 1) HRC
Specification rau induction quenching thiab tempering
quenching kub 900 ° C, tempering kub 150 ~ 180 ° C, hardness 54 ~ 60HRC.
Kub ua hauj lwm specification
Cov cua kub kub yog 1150 ~ 1200 ° C, qhov pib kub yog 1130 ~ 1180 ° C, thiab qhov kawg kub yog> 850 ° C, φ> 50mm, txias txias.
Normalizing specification
Lub normalizing kub yog 850 ~ 900 ° C, thiab lub cub tawg yog txias los ntawm huab cua.
Kub kub tempering specification
Lub tempering kub yog 680 ~ 700 ° C, thiab lub cub tawg yog txias los ntawm huab cua.
Quenching thiab tempering specifications
Preheating kub 680 ~ 700 ° C, quenching kub 840 ~ 880 ° C, roj txias, tempering kub 580 ° C, dej txias los yog roj txias, hardness ≤ 217hbw.
Specification rau subcritical strengthening thiab toughening
quenching kub 900 ° C, tempering kub 560 ° C, hardness (37 ± 1) HRC
Specification rau induction quenching thiab tempering
quenching kub 900 ° C, tempering kub 150 ~ 180 ° C, hardness 54 ~ 60HRC.
Lub koom haum khaws cia rau cov txheej txheem lub tswv yim "kev tswj hwm kev tshawb fawb, kev ua tau zoo thiab kev ua tau zoo primacy, cov neeg yuav khoom siab tshaj.
ASTM4140 42CrMo Alloy Steel Yeeb Nkab Seamless Steel Yeeb Nkab
Nrhiav rau yav tom ntej, txoj hauv kev txuas ntxiv mus, nquag siv zog los ua txhua tus neeg ua haujlwm nrog kev txaus siab, ib puas npaug ntawm kev ntseeg siab thiab muab peb lub tuam txhab tsim kom muaj ib puag ncig zoo nkauj, cov khoom siv siab tshaj, zoo tshaj plaws thawj-chav kawm niaj hnub lub koom haum thiab ua haujlwm nyuaj!
Tuam Tshoj 42CrMo Alloy Seamless Steel Yeeb Nkab
Peb ib txwm tuav lub tuam txhab cov ntsiab lus "kev ncaj ncees, kev paub dhau los, ua tau zoo thiab kev tsim kho tshiab", thiab cov haujlwm ntawm: cia txhua tus neeg tsav tsheb txaus siab rau kev tsav tsheb thaum hmo ntuj, cia peb cov neeg ua haujlwm paub txog lawv lub neej muaj txiaj ntsig, thiab ua kom muaj zog thiab pab ntau tus neeg.Peb tau txiav txim siab los ua tus koom ua ke ntawm peb cov khoom lag luam thiab ib qho chaw muab kev pabcuam ntawm peb cov khoom lag luam.
