40CrMo 42CrMo 42CrMo4 Imibhobho yentsimbi yengxubevange/imibhobho

Inkcazelo emfutshane:

Umbhobho we-alloy we-42CrMo ongenamthungo yintsimbi eyomelela kakhulu ephezulu kunye nokuqina okuphezulu, ukuqina okuhle, akukho brittleness ecacileyo, kunye nokuguqulwa okuncinci ngexesha lokucima.Emva kokucima kunye nokufudumeza, umbhobho we-alloy we-42CrMo ongenamthungo unomda wokudinwa okuphezulu kunye nokumelana neempembelelo ezininzi, ukuqina kwempembelelo elungileyo kwiqondo lobushushu eliphantsi, kunye namandla aphezulu okurhubuluza kunye namandla okunyamezela kwiqondo lobushushu eliphezulu.Ukucima umphezulu emva kokucinywa kunye nokufudumeza ngokuqhelekileyo kusetyenziswa njengeskimu sonyango lobushushu kwimibhobho yealloy engenamthungo ye-42CrMo.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Intshayelelo yeMveliso

Ayinayo i-brittleness ecacileyo yomsindo, i-deformation encinci ngexesha lokucima, umda wokudinwa okuphezulu kunye nokuchasana kweempembelelo ezininzi emva kokucima kunye nonyango olushushu.Umbhobho we-alloy we-42CrMo ongenamthungo unefuthe elihle lokuqina kwiqondo lobushushu eliphantsi kunye namandla anyukayo aphezulu kunye namandla okunyamezela kwiqondo lobushushu eliphezulu.Ukucima umphezulu emva kokucinywa kunye nokufudumeza ngokuqhelekileyo kusetyenziswa njengeskimu sonyango lobushushu kwimibhobho yealloy engenamthungo ye-42CrMo.

Ingxubevange yentsimbi ekhethekileyo:41Cr4,25CrMo4,30CrMo4,34CrMo4,42CrMo4

OD: 20-660mm WT: 2.3-100mm L: 5.8M, 6M, 11.8M, 12M okanye nabuphi na ubude obuchaziweyo.

Isicelo: Umatshini, ubunjineli ngokubanzi, ingalo yecrane, amahlathi, ii-Cylinders ezahlukeneyo, ii-Conveyor Rolls, i-Hollow Shafts, i-Hollow Parts kunye nezixhobo, iiNti, iiringi, njl.

Isicelo seMveliso

Ukusetyenziswa kombhobho we-alloy we-42CrMo ongenamthungo: intsimbi ekhethekileyo esetyenziselwa iibhulorho yi "42CrMo", intsimbi ekhethekileyo yeebhanti zemoto yi "42CrMo", kunye nentsimbi ekhethekileyo kwiinqanawa zoxinzelelo "42CrMo".Olu hlobo lwensimbi luphucula iimpawu zemishini yensimbi ngokulungelelanisa umxholo wekhabhoni (c).Ngoko ke, ngokomxholo wekhabhoni, olu hlobo lwensimbi lunokwahlulwa lube: intsimbi ephantsi yekhabhoni - umxholo wekhabhoni ngokuqhelekileyo ungaphantsi kwe-0.25%, njenge-10 kunye ne-20 yensimbi;Intsimbi yekhabhoni ephakathi -- umxholo wekhabhoni uphakathi kwe-0.25 kunye ne-0.60%, njenge-35 kunye ne-45 yensimbi;Intsimbi yekhabhoni ephezulu -- umxholo wekhabhoni ungaphezulu kwe-0.60%.Olu hlobo lwentsimbi alusetyenziswanga ukwenza imibhobho yentsimbi.

Usetyenziso oluqhelekileyo
Ifanelekile ukwenza iimbumba zeplastiki ezinkulu kunye neziphakathi ezifuna amandla athile kunye nokuqina.

Umboniso weMveliso

40crmo 42CrMo 42CrMo4 Alloy9
40crmo 42CrMo 42CrMo4 Ingxubevange8
40crmo 42CrMo 42CrMo4 Alloy7
40crmo 42CrMo 42CrMo4 Alloy10
40crmo 42CrMo 42CrMo4 Ingxubevange1
40crmo 42CrMo 42CrMo4 Alloy11

Ukubunjwa kweMichiza (uHlahlelo lweCast) yeeMibhobho ezenziwe Kwingxubevange yeentsimbi eziKhethekileyo nge-% ngoMisa a

Ibakala Steel

C

Si

Mn

P

S

Cr

Mo

Ni

Igama lentsimbi

Inombolo yentsimbi

imiz.

max.

max.

imiz.

max.

max.

max.

imiz.

max.

imiz.

max.

imiz.

max.

41Cr4

1.7035

0,38

0,45

0,40

0,60

0,90

0,035

0,035

0,90

1,20

-

-

-

-

25CrMo4

1.7218

0,22

0,29

0,40

0,60

0,90

0,035

0,035

0,90

1,20

0,15

0,30

-

-

30CrMo4

1.7216

0,27

0,34

0,35

0,35

0,60

0,035

0,035

0,80

1,15

0,15

0,30

-

-

34CrMo4

1.7220

0,30

0,37

0,40

0,60

0,90

0,035

0,035

0,90

1,20

0,15

0,30

-

-

42CrMo4

1.7225

0,38

0,45

0,40

0,60

0,90

0,035

0,035

0,90

1,20

0,15

0,30

-

-

a Jonga kwakhona 7.1.
b<0,25% Cu.

IiPropati zoomatshini kwiiTubhu ezenziwe ngeeNtsimbi ngokuhambelana neTheyibhile 6 kwiMeko yoThutho +QT

Ibakala Steel

Ubuncinci beempawu zokuxinana

Igama lentsimbi

Inombolo yentsimbi

Amandla esivuno (ReH) MPa

Amandla okuqina (Rm) MPa

Elongation A%

Ku-T kwi-mm

Ku-T kwi-mm

Ku-T kwi-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

41Cr4

1.7035

800

660

560

-

1000

900

800

-

11

9

12

10

14

12

-

-

25CrMo4

1.7218

700

600

450

400

900

800

700

650

12

10

14

12

15

13

16

14

30CrMo4

1.7216

750

630

520

480

950

850

750

700

12

10

13

11

14

12

15

13

34CrMo4

1.7220

800

650

550

500

1000

900

800

750

11

9

12

10

14

12

15

13

42CrMo4

1.7225

900

750

650

550

1100

1000

900

800

10

8

11

9

12

10

13

11

QAPHELA l = i-longitudinal, t = transverse.

Ukunyamezela kuMdaya oNgaphandle kunye nokutyeba

Ukunyamezela Ubude:
Xa Ubude bulingana ne-6000mm, Ukunyamezela 0/+10
Xa 6 000 < L = 12 000, Ukunyamezela 0/+15
Xa > 12 000,Ukunyamezela 0/+ ngesivumelwano
Ukucaciswa kwenkqubo kunye neempawu ezibonakalayo ze-42CrMo zentsimbi yombhobho
I-42CrMo ipayipi yensimbi, umxholo wekhabhoni: 0.38 ~ 0.45%, i-silicon: 0.17 ~ 0.37%, i-manganese: 0.50 ~ 0.80%.

I-42CrMo yentsimbi yombhobho yentsimbi eyomelele kakhulu, inamandla aphezulu kunye nokuqina, ukuqina okuhle, akukho brittleness ecacileyo yokudinwa, umda wokudinwa okuphezulu kunye nokumelana neempembelelo ezininzi emva kokucima kunye nonyango olushushu, kunye nokuqina okuhle kobushushu obuphantsi.

Intsimbi ifanelekile ukuvelisa iimbumba zeplastiki ezinkulu kunye neziphakathi ezifuna amandla athile kunye nokuqina.I-brand yayo ehambelana nemigangatho yezizwe ngezizwe: i-42CrMo4 ihambelana ne-brand yaseJapan: i-scm440 ihambelana ne-brand yaseJamani: i-42CrMo4 ihambelana malunga ne-brand yaseMelika: iimpawu ze-4140 kunye nobubanzi besicelo: amandla aphezulu, ukuqina, ukuqina okulungileyo, ukuguqulwa okuncinci ngexesha lokucima, amandla aphezulu kunye amandla okunyamezela kwiqondo lokushisa eliphezulu.Isetyenziselwa ukwenza iifogi ezinamandla aphezulu kunye nokucinywa okukhulu kunye nokutshisa okunqamlezayo kune-35CrMo yentsimbi, efana negiya enkulu ye-locomotive traction, igiya yokuhambisa ye-supercharger, i-axle yangasemva, intonga yokudibanisa kunye ne-spring clamp enomthwalo omkhulu, i-drill pipe edibeneyo kunye isixhobo sokuloba i-oyile nzulu kakuhle ngaphantsi kwe-2000m, kunye nokungunda kumatshini ukugoba.

Ukuqulunqwa kwemichiza

I-Sulfur s: umxholo oshiyekileyo ovumelekileyo ≤ 0.035%

I-Phosphorus P: umxholo ovumelekileyo wentsalela ≤ 0.035%

I-Chromium (CR): 0.90 ~ 1.20%

I-Nickel Ni: umxholo ovumelekileyo oshiyekileyo ≤ 0.030%

I-Copper Cu: umxholo oshiyekileyo ovumelekileyo ≤ 0.030%

I-Molybdenum (MO): 0.15 ~ 0.25%

Uxinzelelo oluvumelekileyo lwe-42CrMo

I-42CrMo uxinzelelo oluvumelekileyo 186 ~ 310 / MPa, inqaku lesivuno 930 σ S / MPa, 42CrMo inamandla amakhulu, ukuqina, ukuqina okulungileyo, ukuguqulwa okuncinci ngexesha lokucima, kunye namandla aphezulu okukhasa kunye namandla okunyamezela kwiqondo lokushisa eliphezulu.Umbhobho wensimbi we-42CrMo usetyenziselwa ukuvelisa i-forgings enamandla aphezulu kunye necandelo elikhulu elicinyiweyo kunye nelobushushu kune-35CrMo yentsimbi.

Impahla Ephathekayo

I-1) Iqondo lokushisa elibalulekileyo (malunga): AC1 = 730 ° C, AC3 = 800 ° C, Ms = 310 ° C.

2) I-coefficient yokwandiswa komgca: iqondo lobushushu 20 ~ 100 ° C / 20 ~ 200 ° C / 20 ~ 300 ° C / 20 ~ 400 ° C / 20 ~ 500 ° C / 20 ~ 600 ° C, i-coefficient yokwandiswa komgca: 11.1 × 1 × 1 /12.1 × 10K/12.9 × 10K/13.5 × 10K/13.9 × 10K14.1 × 10K.

3) Imodyuli ye-elastic: ubushushu 20 ° C / 300 ° C / 400 ° C / 500 ° C / 600 ° C, imodyuli elastiki 210000mpa / 185000mpa / 175000mpa / 165000mpa / 15500mpa

Ukucaciswa kweNkqubo

Inkcazo yokusebenza eshushu
Ubushushu bokufudumala yi-1150 ~ 1200 ° C, iqondo lokushisa lokuqala yi-1130 ~ 1180 ° C, kwaye iqondo lokushisa eliphela ngu> 850 ° C, φ> 50mm, ukupholisa okucothayo.

Ukucaciswa kwesiqhelo
Ubushushu obuqhelekileyo bungama-850 ~ 900 ° C, kwaye isithando somlilo sipholile ngomoya.

Inkcazo yobushushu obuphezulu bobushushu
Ubushushu bobushushu bungama-680 ~ 700 ° C, kwaye iziko lipholiswa ngumoya.

Iimpawu zokunciphisa kunye nokunciphisa umzimba
Preheating lobushushu 680 ~ 700 ° C, ukucima ubushushu 840 ~ 880 ° C, ukupholisa ioli, iqondo lobushushu 580 ° C, ukupholisa amanzi okanye ukupholisa ioli, ubulukhuni ≤ 217hbw.

Inkcazo yokomelezwa kwe-subcritical kunye nokuqina
Ukucima iqondo lobushushu 900 ° C, iqondo lobushushu 560 ° C, ukuqina (37 ± 1) HRC

Inkcazo yokucinywa kwe-induction kunye nokuthoba
Ukucima ubushushu 900 ° C, iqondo lokushisa 150 ~ 180 ° C, ubulukhuni 54 ~ 60HRC.

Ukucaciswa kweNkqubo

Inkcazo yokusebenza eshushu
Ubushushu bokufudumala yi-1150 ~ 1200 ° C, iqondo lokushisa lokuqala yi-1130 ~ 1180 ° C, kwaye iqondo lokushisa eliphela ngu> 850 ° C, φ> 50mm, ukupholisa okucothayo.

Ukucaciswa kwesiqhelo
Ubushushu obuqhelekileyo bungama-850 ~ 900 ° C, kwaye isithando somlilo sipholile ngomoya.

Inkcazo yobushushu obuphezulu bobushushu
Ubushushu bobushushu bungama-680 ~ 700 ° C, kwaye iziko lipholiswa ngumoya.

Iimpawu zokunciphisa kunye nokunciphisa umzimba
Preheating lobushushu 680 ~ 700 ° C, ukucima ubushushu 840 ~ 880 ° C, ukupholisa ioli, iqondo lobushushu 580 ° C, ukupholisa amanzi okanye ukupholisa ioli, ubulukhuni ≤ 217hbw.

Inkcazo yokomelezwa kwe-subcritical kunye nokuqina
Ukucima iqondo lobushushu 900 ° C, iqondo lobushushu 560 ° C, ukuqina (37 ± 1) HRC

Inkcazo yokucinywa kwe-induction kunye nokuthoba
Ukucima ubushushu 900 ° C, iqondo lokushisa 150 ~ 180 ° C, ubulukhuni 54 ~ 60HRC.


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