Hom hlau twg yog 4140?

4140 hlau yog ib hom hlau sib xyaw uas nrov npe rau nws lub zog, kev tawv, thiab kev hloov pauv tau yooj yim. Nws yog ib feem ntawm tsev neeg ntawm chromium-molybdenum hlau, muab kev sib xyaw ua ke ntawm cov khoom siv kho tshuab uas ua rau nws yog qhov kev xaiv zoo rau kev siv hauv kev lag luam. Cov kws ua vaj tse, cov neeg tsim khoom, thiab cov chaw tsim khoom siv cov hlau no rau txhua yam los ntawm cov khoom siv hauv tsheb mus rau cov khoom siv tshuab.

Hauv tsab xov xwm SEO no, sakysteel nthuav qhia txog kev piav qhia dav dav ntawm4140 hlau, suav nrog nws cov tshuaj lom neeg sib xyaw, cov khoom siv kho tshuab, cov txheej txheem kho cua sov, thiab kev siv ntau.

Kev faib tawm ntawm 4140 Hlau

4140 yog cov hlau tsis tshua muaj hlau uas poob rau hauv qab SAE-AISI kev faib tawm. Nws tseem hu uaAISI 4140, EN19 (hauv Tebchaws Europe), thiabSCM440 (hauv Nyiv Pooj)Lub npe "4140" yog hais txog cov ntsiab lus tshwj xeeb ntawm cov hlau sib xyaw:

• "41" qhia txog cov hlau chromium-molybdenum

• "40" sawv cev rau cov pa roj carbon kwv yees li (0.40%)

4140 hlau tsis yog hlau tsis xeb, vim nws tsis muaj chromium txaus los muab kev tiv thaiv corrosion. Hloov chaw, nws muaj nqis rau nws lub zog kho tshuab thiab qhov nyuaj tom qab kev kho cua sov.

Cov Tshuaj Lom Zem ntawm 4140 Hlau

Cov tshuaj lom neeg ntawm 4140 yog qhov ua rau nws muaj cov khoom siv kho tshuab zoo dua. Cov ntau yam suav nrog:

• Cov pa roj carbon (C):0.38% – 0.43%

• Chromium (Cr):0.80% – 1.10%

• Manganese (Mn):0.75% – 1.00%

• Molybdenum (Mo):0.15% - 0.25%

• Silicon (Si):0.15% - 0.35%

• Phosphorus (P):≤ 0.035%

• Sulfur (S):≤ 0.040%

Cov ntsiab lus no ua haujlwm ua ke los txhim kho qhov tawv, kev tiv thaiv kev hnav, thiab kev ua kom ruaj khov, ua rau 4140 yog cov khoom siv rau cov khoom siv kho tshuab uas xav tau ntau.

Cov Khoom Siv Kho Tshuab ntawm 4140 Hlau

4140 muaj ntau yam khoom siv kho tshuab zoo kawg nkaus, tshwj xeeb tshaj yog tom qab kho cua sov kom zoo. Cov no suav nrog:

• Lub zog tensile:Txog li 1100 MPa (160 ksi)

• Lub Zog Tawm:Kwv yees li 850 MPa (123 ksi)

• Kev ntev thaum tawg:Kwv yees li ntawm 20%

• Qhov nyuaj:Feem ntau 197 txog 235 HB hauv annealed mob, txog li 50 HRC tom qab quenching thiab tempering

Cov nqi no tuaj yeem sib txawv nyob ntawm seb cov hlau (bar, phaj, forged) thiab kev kho cua sov zoo li cas.

Kev Kho Mob Kub ntawm 4140 Hlau

Kev kho cua sov yog ib qho txheej txheem tseem ceeb uas ua rau kev ua haujlwm ntawm4140 hlauCov hlau tuaj yeem ua cov txheej txheem hauv qab no:

1. Kev ua kom sov
   Maj mam txias ntawm li ntawm 850°C kom txhim kho kev siv tshuab thiab txo kev ntxhov siab sab hauv. Qhov no ua rau cov qauv mos dua nrog kev ua haujlwm zoo dua.

2. Kev ua kom zoo li qub
   Kub txog li 870°C kom txhim kho cov qauv ntawm cov noob. Muab qhov sib npaug ntawm lub zog thiab kev tawv.

3. Kev Quenching thiab Tempering
   Ua kom tawv los ntawm kev cua sov txog li 845°C thiab txias sai sai hauv roj lossis dej, tom qab ntawd ua kom tawv mus txog qib tawv uas xav tau. Qhov no ua rau lub zog thiab kev tiv taus hnav ntau dua.

4. Kev Txo Kev Nyuaj Siab
   Ua tiav ntawm kwv yees li 650 ° C kom txo cov kev ntxhov siab seem los ntawm kev siv tshuab lossis vuam.

Ntawm sakysteel, peb muab4140 hlaunyob rau hauv ntau yam kev kho cua sov raws li cov neeg siv khoom xav tau, kom ntseeg tau tias muaj kev ua tau zoo tshaj plaws hauv koj daim ntawv thov.

Cov txiaj ntsig ntawm 4140 Hlau

• Qhov Sib Piv Zog Siab Rau Qhov Hnyav:Zoo tagnrho rau cov ntawv thov uas muaj qhov hnyav.

• Kev Tiv Thaiv Kev Qaug Zog Zoo:Tiv taus kev thauj khoom cyclic, tsim rau cov iav thiab cov shafts.

• Kev Ua Kom Ruaj Khov Zoo heev:Ua tiav qhov siab hardness tom qab quenching.

• Kev Siv Tau:Yooj yim siv tau rau hauv cov xwm txheej annealed lossis normalized.

• Kev vuam tau:Yuav tsum tau welded nrog kev kho ua ntej thiab tom qab vuam kom zoo.

Cov txiaj ntsig no ua rau 4140 hlau yog qhov kev xaiv pheej yig rau ntau daim ntawv thov kev tsim kho siab.

Cov ntawv thov ntawm 4140 Hlau

Vim nws lub zog kho tshuab thiab kev hloov pauv tau yooj yim, 4140 hlau siv rau hauv ntau yam lag luam:

Kev Lag Luam Tsheb

• Qag

• Cov crankshafts

• Cov iav

• Cov pob qij txha tsav tsheb

Roj thiab roj av

• Cov caj dab laum

• Cov cuab yeej sib txuas

• Cov pas nrig txuas

Kev tsav dav hlau

• Cov khoom siv tsaws av

• Cov ncej

• Cov khoom siv ua los ntawm kev ntxhov siab siab

Cov Tshuab Siv Hauv Kev Lag Luam

• Cov khoom sib txuas

• Cov khoom ua los ntawm cov hlau

• Cov neeg tuav tuag

• Cov ntxaiv

At sakysteel, peb tau muab khoom4140 hlaucov khoom lag luam rau cov neeg siv khoom thoob plaws cov kev lag luam no, muab cov khoom zoo txhim khu kev qha thiab kev hloov kho kom raug.

Yuav ua li cas 4140 piv rau lwm cov hlau

4140 vs. 1045 Cov Hlau Carbon:
4140 muaj kev tiv thaiv zoo dua thiab muaj zog tensile ntau dua vim yog cov khoom sib xyaw. 1045 pheej yig dua tab sis tsis ruaj khov.

4140 piv rau 4340 Hlau:
4340 muaj cov nickel ntau dua, muab kev tawv zoo dua thiab kev qaug zog. 4140 pheej yig dua rau kev siv dav dav.

4140 piv rau Stainless Steel (piv txwv li, 304 lossis 316):
Cov hlau tsis xeb muaj kev tiv thaiv xeb tab sis lub zog qis dua. 4140 zoo dua rau cov ntawv thov siab uas tsis muaj kev cuam tshuam rau cov chaw muaj xeb.

Cov ntawv muaj nyob ntawm sakysteel

sakysteel muab 4140 hlau hauv cov qauv khoom hauv qab no:

• Cov Tuav Puag Ncig (Kub Dov, Txias Kos, tev tawm)

• Cov Tuav thiab Cov Phaj Tiaj

• Cov Blocks thiab Rings Forged

• Cov Tuav thiab Cov Raj (thaum thov)

• Cov khoom siv precision txiav rau qhov loj me

Txhua yam khoom muaj nrogDaim ntawv pov thawj EN10204 3.1, thiab peb kuj muab CNC machining thiab cua sov kho cov kev pabcuam.

Xaus lus

4140 yog ib qho hlau sib xyaw ua ke uas muaj ntau yam kev ua tau zoo thiab ua tau raws li qhov xav tau ntawm ntau yam kev siv. Nws txoj kev sib xyaw ua ke ntawm lub zog, kev tawv, thiab kev siv nyiaj ua rau nws yog cov khoom siv nyiam rau cov kws kho tshuab thiab cov chaw tsim khoom thoob ntiaj teb.

Txawm koj xav tau cov khoom siv raw lossis cov khoom tiav lawm,sakysteelyog koj tus khub ntseeg siab rau 4140 hlau alloy. Hu rau peb pab neeg kev tshaj lij hnub no los tham txog koj cov kev xav tau thiab tau txais tus nqi tshwj xeeb.