Tus nqi sib tw rau tus nqi zoo tshaj plaws Txias Rolled 30CrMo 42CrMo 4140 4130 Dub Hlau 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.
Nws yog ib txoj hauv kev zoo los txhim kho peb cov khoom thiab kev pabcuam.Peb lub hom phiaj yog los tsim cov khoom muaj tswv yim rau cov neeg siv khoom nrog kev paub zoo rau Kev Sib Tw Tus Nqi Zoo Tshaj Plaws Txias Rolled30CrMo 42CrMo 4140 4130 Dub Hlau Seamless Steel Yeeb Nkab, Peb xav kom tsuas yog siv lub sijhawm no los tshawb xyuas kev lag luam mus sij hawm ntev nrog cov neeg siv khoom thoob plaws ntiaj teb.
Nws yog ib txoj hauv kev zoo los txhim kho peb cov khoom thiab kev pabcuam.Peb lub hom phiaj yog los tsim cov khoom muaj tswv yim rau cov neeg siv khoom nrog kev paub zoo rau30CrMo 42CrMo 4140 4130 Dub Hlau Seamless Steel Yeeb Nkab, Peb mob siab rau txhua kauj ruam ntawm peb cov kev pabcuam, los ntawm kev xaiv lub Hoobkas, kev tsim khoom & tsim, kev sib tham tus nqi, kev tshuaj xyuas, kev xa khoom mus rau tom qab muag.Tam sim no peb tau siv qhov kev tswj hwm nruj thiab ua tiav, uas ua kom ntseeg tau tias txhua yam khoom tuaj yeem ua tau raws li qhov xav tau ntawm cov neeg siv khoom.Tsis tas li ntawd, tag nrho peb cov khoom tau raug tshuaj xyuas nruj me ntsis ua ntej xa zaub mov.Koj txoj kev vam meej, Peb lub yeeb koob: Peb lub hom phiaj yog los pab cov neeg siv khoom paub lawv lub hom phiaj.Peb tab tom ua haujlwm zoo los ua kom tiav qhov xwm txheej yeej-yeej thiab zoo siab tos txais koj los koom nrog 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.
| 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.
Nws yog ib txoj hauv kev zoo los txhim kho peb cov khoom thiab kev pabcuam.Peb lub hom phiaj yog los tsim cov khoom lag luam muaj tswv yim rau cov neeg siv khoom nrog kev paub zoo rau Kev Sib Tw Nqe rau Tus Nqi Zoo Tshaj Plaws Txias Rolled 30CrMo 42CrMo 4140 4130 Dub Hlau Seamless Steel Yeeb Nkab, Peb xav kom siv lub sijhawm no los ua kom muaj kev sib raug zoo nrog cov neeg siv khoom los ntawm thoob plaws lub ntiaj teb. lub ntiaj teb.
Tus nqi sib tw rau Tuam Tshoj Carbon Steel Seamless Yeeb Nkab thiab Carbon Steel Yeeb Nkab, Peb mob siab rau txhua kauj ruam ntawm peb cov kev pabcuam, los ntawm kev xaiv lub Hoobkas, kev tsim khoom & tsim qauv, nqe sib tham, tshuaj xyuas, xa mus rau tom khw.Tam sim no peb tau siv qhov kev tswj hwm nruj thiab ua tiav, uas ua kom ntseeg tau tias txhua yam khoom tuaj yeem ua tau raws li qhov xav tau ntawm cov neeg siv khoom.Tsis tas li ntawd, tag nrho peb cov khoom tau raug tshuaj xyuas nruj me ntsis ua ntej xa zaub mov.Koj txoj kev vam meej, Peb lub yeeb koob: Peb lub hom phiaj yog los pab cov neeg siv khoom paub lawv lub hom phiaj.Peb tab tom ua haujlwm zoo los ua kom tiav qhov xwm txheej yeej-yeej thiab zoo siab tos txais koj los koom nrog peb.
