Fast delivery Precision Bright Tube 42CrMo Seamless Steel Yeeb Nkab Nyias Phab Ntsa Seamless Yeeb Nkab Txiav Seamless Hlau Yeeb

Cov lus hais nrawm thiab zoo dua, cov kws tshaj lij qhia los pab koj xaiv cov khoom lag luam kom haum rau txhua yam koj xav tau, lub sijhawm luv luv, lub luag haujlwm tswj kev ua haujlwm zoo thiab cov kev pabcuam sib txawv rau kev them nqi thiab kev xa khoom ceev ceev Precision Bright Tube 42CrMo Seamless Steel Yeeb Nkab Thick Phab Ntsa Seamless Yeeb Nkab Txiav Seamless Steel Yeeb Nkab, Base nyob rau hauv lub lag luam kev lag luam lub tswv yim ntawm Zoo los pib nrog, peb xav kom txaus siab ntau thiab ntau tus phooj ywg zoo nyob rau hauv lo lus thiab peb cia siab tias yuav xa cov khoom muaj txiaj ntsig zoo tshaj plaws thiab kev txhawb nqa rau koj.
Cov lus hais nrawm thiab zoo dua, cov kws tshaj lij pab tswv yim los pab koj xaiv cov khoom tsim nyog uas haum rau txhua yam koj xav tau, lub sijhawm luv luv, lub luag haujlwm tswj kev ua haujlwm zoo thiab cov kev pabcuam sib txawv rau kev them nqi thiab kev xa khoom rauChina Tube thiab Tube, Peb ib txwm ua raws li lub ntsiab lus ntawm "lub siab dawb paug, siab zoo, ua haujlwm siab, kev tsim kho tshiab".Nrog rau ntau xyoo ntawm kev siv zog, peb tau tsim kev phooj ywg thiab ruaj khov kev lag luam kev sib raug zoo nrog cov neeg siv khoom thoob ntiaj teb.Peb txais tos txhua yam ntawm koj cov lus nug thiab kev txhawj xeeb rau peb cov kev daws teeb meem, thiab peb paub tseeb tias peb yuav muab qhov koj xav tau, raws li peb ib txwm ntseeg tias koj txaus siab yog peb txoj kev vam meej.

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.

Cov lus hais nrawm thiab zoo dua, cov kws tshaj lij qhia los pab koj xaiv cov khoom lag luam kom haum rau txhua yam koj xav tau, lub sijhawm luv luv, lub luag haujlwm tswj kev ua haujlwm zoo thiab cov kev pabcuam sib txawv rau kev them nqi thiab kev xa khoom ceev ceev Precision Bright Tube 42CrMo Seamless Steel Yeeb Nkab Thick Phab Ntsa Seamless Yeeb Nkab Txiav Seamless Steel Yeeb Nkab, Base nyob rau hauv lub lag luam kev lag luam lub tswv yim ntawm Zoo los pib nrog, peb xav kom txaus siab ntau thiab ntau tus phooj ywg zoo nyob rau hauv lo lus thiab peb cia siab tias yuav xa cov khoom muaj txiaj ntsig zoo tshaj plaws thiab kev txhawb nqa rau koj.
Kev xa khoom saiChina Tube thiab Tube, Peb ib txwm ua raws li lub ntsiab lus ntawm "lub siab dawb paug, siab zoo, ua haujlwm siab, kev tsim kho tshiab".Nrog rau ntau xyoo ntawm kev siv zog, peb tau tsim kev phooj ywg thiab ruaj khov kev lag luam kev sib raug zoo nrog cov neeg siv khoom thoob ntiaj teb.Peb txais tos txhua yam ntawm koj cov lus nug thiab kev txhawj xeeb rau peb cov kev daws teeb meem, thiab peb paub tseeb tias peb yuav muab qhov koj xav tau, raws li peb ib txwm ntseeg tias koj txaus siab yog peb txoj kev vam meej.