ASTM 4140 42CrMo4 42CrMo Alloy Seamless Steel Yeeb Nkab

Peb muaj ib pab neeg ua haujlwm tau zoo los daws cov lus nug los ntawm cov neeg siv khoom.Peb lub hom phiaj yog "100% cov neeg siv khoom txaus siab los ntawm peb cov khoom zoo, tus nqi & peb pab neeg pabcuam" thiab txaus siab rau lub koob npe zoo ntawm cov neeg siv khoom.Nrog rau ntau lub Hoobkas, peb tuaj yeem muab ntau yam ntawm Cov Khoom Siv Hluav Taws Xob rau ASTM 4140 42CrMo4 42CrMo Alloy Seamless Steel Yeeb Nkab, Ua raws li txoj cai kev lag luam ntawm kev sib nrig sib pab, peb tau yeej lub koob npe nrov ntawm peb cov neeg siv khoom vim peb cov kev pabcuam zoo meej, cov khoom zoo thiab kev sib tw. tus nqi.Peb sov siab txais tos cov neeg siv khoom hauv tsev thiab txawv teb chaws los koom tes nrog peb kom muaj kev vam meej.
Peb muaj ib pab neeg ua haujlwm tau zoo los daws cov lus nug los ntawm cov neeg siv khoom.Peb lub hom phiaj yog "100% cov neeg siv khoom txaus siab los ntawm peb cov khoom zoo, tus nqi & peb pab neeg pabcuam" thiab txaus siab rau lub koob npe zoo ntawm cov neeg siv khoom.Nrog ntau lub Hoobkas, peb tuaj yeem muab ntau yam ntawmTuam Tshoj 42CrMo4 Alloy Seamless Steel Yeeb Nkab, Tam sim no peb muaj ntau tshaj 200 tus neeg ua haujlwm nrog rau cov thawj tswj kev paub, cov neeg tsim qauv tsim, cov kws tshaj lij engineers thiab cov neeg ua haujlwm txawj.Los ntawm kev ua haujlwm hnyav ntawm txhua tus neeg ua haujlwm rau 20 xyoo dhau los tus kheej lub tuam txhab tau loj hlob thiab muaj zog.Peb ib txwm siv txoj cai "tus neeg siv khoom ua ntej".Peb kuj ib txwm ua tiav tag nrho cov ntawv cog lus rau lub ntsiab lus thiab yog li txaus siab rau lub koob npe nrov thiab kev ntseeg siab ntawm peb cov neeg siv khoom.Koj zoo siab tos txais koj tuaj xyuas peb lub tuam txhab.Peb cia siab tias yuav pib ua lag luam kev sib koom tes raws li kev sib nrig sib pab thiab kev vam meej.Yog xav paub ntxiv koj yuav tsum tsis txhob yig tiv tauj peb ..

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.

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.

Peb muaj ib pab neeg ua haujlwm tau zoo los daws cov lus nug los ntawm cov neeg siv khoom.Peb lub hom phiaj yog "100% cov neeg siv khoom txaus siab los ntawm peb cov khoom zoo, tus nqi & peb pab neeg pabcuam" thiab txaus siab rau lub koob npe zoo ntawm cov neeg siv khoom.Nrog ntau lub Hoobkas, peb tuaj yeem muab ntau yam.
ASTM 4140 42CrMo4 42CrMo Alloy Seamless Steel Yeeb Nkab
Ua raws li txoj cai kev lag luam ntawm kev sib nrig sib pab, peb tau yeej lub koob npe nrov ntawm peb cov neeg siv khoom vim peb cov kev pabcuam zoo meej, cov khoom zoo thiab cov nqi sib tw.Peb sov siab txais tos cov neeg siv khoom hauv tsev thiab txawv teb chaws los koom tes nrog peb kom muaj kev vam meej.
Tuam Tshoj 42CrMo4 Alloy Seamless Steel Yeeb Nkab
Tam sim no peb muaj ntau tshaj 200 tus neeg ua haujlwm nrog rau cov thawj tswj kev paub, cov neeg tsim qauv tsim, cov kws tshaj lij engineers thiab cov neeg ua haujlwm txawj.Los ntawm kev ua haujlwm hnyav ntawm txhua tus neeg ua haujlwm rau 20 xyoo dhau los tus kheej lub tuam txhab tau loj hlob thiab muaj zog.Peb ib txwm siv txoj cai "tus neeg siv khoom ua ntej".Peb kuj ib txwm ua tiav tag nrho cov ntawv cog lus rau lub ntsiab lus thiab yog li txaus siab rau lub koob npe nrov thiab kev ntseeg siab ntawm peb cov neeg siv khoom.Koj zoo siab tos txais koj tuaj xyuas peb lub tuam txhab.Peb cia siab tias yuav pib ua lag luam kev sib koom tes raws li kev sib nrig sib pab thiab kev vam meej.Yog xav paub ntxiv koj yuav tsum tsis txhob yig tiv tauj peb ..