Cov Khoom Kub Tshiab 15CrMo / 42CrMo Kub Rolled Seamless Steel Yeeb Nkab Alloy Yeeb Nkab

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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.


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"Sincerity, Innovation, Rigorousness, and Efficiency" yuav yog qhov kev xav tsis tu ncua ntawm peb lub lag luam nrog lub sijhawm ntev los tsim ua ke nrog cov neeg siv khoom rau kev sib koom ua ke thiab kev sib koom ua ke rau Cov Khoom Kub Kub Tshiab 15CrMo / 42CrMo Kub Rolled Seamless Steel Yeeb Nkab Alloy Pipe, Koj kev nug yuav tau txais tos zoo heev ntxiv rau qhov yeej-yeej txoj kev vam meej yog qhov peb xav tau.
"Sincerity, Innovation, Rigorousness, and Efficiency" yuav yog qhov kev xav tsis tu ncua ntawm peb lub lag luam nrog lub sijhawm ntev los tsim ua ke nrog cov neeg siv khoom rau kev sib nrig sib pab thiab kev sib pab rauTuam Tshoj 42CrMo thiab Boiler Yeeb Nkab, Peb lub hom phiaj yog los pab cov neeg siv khoom paub lawv lub hom phiaj.Peb tau mob siab rau kom ua tiav qhov kev yeej-yeej qhov xwm txheej no thiab zoo siab tos txais koj los koom nrog peb.Hauv ib lo lus, thaum koj xaiv peb, koj xaiv lub neej zoo meej.Txais tos tuaj xyuas peb lub Hoobkas thiab txais tos koj xaj!Yog xav paub ntxiv, nco ntsoov tias koj tsis 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.

40crmo 42CrMo 42CrMo4 Alloy9
40crmo 42CrMo 42CrMo4 Alloy8
40CrMo 42CrMo 42CrMo4 Alloy7
40CrMo 42CrMo 42CrMo4 Alloy10
40crmo 42CrMo 42CrMo4 Alloy1
40CrMo 42CrMo 42CrMo4 Alloy11

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.

"Sincerity, Innovation, Rigorousness, and Efficiency" yuav yog qhov kev xav tsis tu ncua ntawm peb lub lag luam nrog lub sijhawm ntev los tsim ua ke nrog cov neeg siv khoom rau kev sib koom ua ke thiab kev sib koom ua ke rau Cov Khoom Kub Kub Tshiab 15CrMo / 42CrMo Kub Rolled Seamless Steel Yeeb Nkab Alloy Pipe, Koj kev nug yuav tau txais tos zoo heev ntxiv rau qhov yeej-yeej txoj kev vam meej yog qhov peb xav tau.
Cov Khoom Kub Kub TshiabTuam Tshoj 42CrMo thiab Boiler Yeeb Nkab, Peb lub hom phiaj yog los pab cov neeg siv khoom paub lawv lub hom phiaj.Peb tau mob siab rau kom ua tiav qhov kev yeej-yeej qhov xwm txheej no thiab zoo siab tos txais koj los koom nrog peb.Hauv ib lo lus, thaum koj xaiv peb, koj xaiv lub neej zoo meej.Txais tos tuaj xyuas peb lub Hoobkas thiab txais tos koj xaj!Yog xav paub ntxiv, nco ntsoov tias koj tsis yig tiv tauj peb.


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