4140 Alloy Steel Tensile: Yakasimba Zvakadini?

Muinjiniya nekugadzira, simba chinhu chinogadzirisa. Ingave crankshaft muinjini yemotokari kana pini yakakwira-mushonga mumidziyo yekuvaka, kusimba kwesimba kunotaridza kuti wakawanda sei mutoro unotakurwa nechinhu chisati chapwanyika. Pakati pemasimbi akawanda alloy aripo,4140 alloy simbiyakawana mukurumbira nekuda kwekuenzanisa kwayo kunoshamisa kwesimba rekusimba, kusimba, uye machinability.

Asi yakasimba sei 4140 alloy simbi-chaizvo? Muchinyorwa chino,sakysteelinonyura mukati mezvivakwa zvekusimba zve4140, ichiongorora izvo zvinoita kuti ive chinhu chakavimbika mukuda kwemaitiro uye mekiniki mashandisirwo.

Chii chinonzi 4140 Alloy Steel?

4140 alow-alloy chromium-molybdenum simbiinozivikanwa nokuda kwesimba rayo rakakwirira uye simba rakanaka rekudzivirira kuneta. Inoshandiswa zvakanyanya mukugadzira, machining, zvishandiso, uye zvinorema-basa zvinhu.

Yakakosha kemikari ye4140 inosanganisira:

  • Carbon:0.38% - 0.43%

  • Chromium:0.80% - 1.10%

  • Molybdenum:0.15% - 0.25%

  • Manganese:0.75% - 1.00%

  • Silicon:0.15% - 0.35%

Izvi zvinosanganisa zvinhu zvinowedzera kuomarara uye kusimba, zvichiita kuti 4140 ive imwe yesimbi inovimbika pakushandiswa kwemaitiro.

Kunzwisisa Tensile Simba

Kusimba simbainoreva kuwanda kwehuwandu hwekusimba (kudhonza kana kutambanudza) kushushikana chinhu chinogona kutsungirira chisati chatadza. Kazhinji inopimwa mukatimegapascals (MPa) or pounds per square inch (psi). Simba repamusoro-soro rinoreva kuti zvinhu zvinogona kumira nemasimba makuru zvisati zvakanganisa kana kutyora.

Tensile Simba re4140 Alloy Steel

Kusimba kwekusimba kwe4140 simbi kunoenderana zvakanyanya nemamiriro ayo ekupisa kupisa:

1. Annealed Condition

Mumamiriro ayo akapfava (annealed), 4140 simbi inowanzopa:

  • Tensile Simba:655 - 850 MPa

  • Goho Simba:415 - 620 MPa

  • Kuoma:~197 HB

2. Normalized Condition

Mushure mekugadzirisa, chimiro chesimbi chinova yunifomu, inosimudzira michina zvinhu:

  • Tensile Simba:850 - 1000 MPa

  • Goho Simba:650 - 800 MPa

  • Kuoma:~220 HB

3. Kudzima uye kushatirwa (Q&T)

Ichi ndicho chinonyanyo zivikanwa mamiriro epamusoro-kuita maapplication:

  • Tensile Simba:1050 - 1250 MPa

  • Goho Simba:850 - 1100 MPa

  • Kuoma:28 - 36 HRC

At sakysteel, tinopa4140 alloy simbimumamiriro ezvinhu akasiyana-siyana ekupisa, akagadziridzwa kuti aenderane nezvinodiwa zvesimba kune akasiyana maindasitiri.

Nei 4140's Tensile Simba Yakakwira Zvakadaro?

Zvinhu zvakakosha kumashure kwe4140's high tensile simba zvinosanganisira:

  • Chromium Content:Inowedzera kuoma uye kupfeka kusagadzikana

  • Molybdenum:Inovandudza simba pakupisa kwepamusoro uye inowedzera kuoma

  • Heat Treatment Flexibility:Tailor microstructure kuti ienderane nesimba raunoda uye kuoma

  • Yakaenzana Carbon Level:Inopa musanganiswa wakanaka wesimba uye ductility

Aya maitiro anobvumira 4140 kukunda akawanda kabhoni simbi uye kunyangwe mamwe masimbi emidziyo kana zvasvika pakusimba kwesimba pasi pemutoro.

4140 Inofananidzwa Sei Nemamwe Simbi?

4140 vs 1045 Carbon Steel

  • 1045 ndeyepakati kabhoni simbi ine tensile simba kutenderera 570 - 800 MPa.

  • 4140 inopa 30% kusvika 50% mamwe simba, kunyanya kana kupisa-kurapwa.

4140 vs 4340 Simbi

  • 4340 inosanganisira nickel, iyo inowedzera kuoma uye kuramba kuneta.

  • Nepo 4340 ichigona kupa kuomarara zvishoma, 4140 inodhura zvakanyanya nekuita kwakafanana kusimba.

4140 vs Stainless Simbi (semuenzaniso, 304, 316)

  • Austenitic Stainless steels inopa kusimba kwekuora asi kuderera kusimba simba (kazhinji ~ 500 - 750 MPa).

  • 4140 ine simba rakapetwa kaviri asi inofanirwa kuchengetedzwa kubva mukuora munzvimbo dzine hutsinye.

Zvishandiso Zvinoenderana ne4140's Tensile Simba

Nekuda kwekusimba kwayo kukuru, 4140 inoshandiswa zvakanyanya muzvikamu zvinotsungirira mitoro inorema kana masimba ane simba. Yakajairika application inosanganisira:

Automotive

  • Dhiraivha shafts

  • Crankshafts

  • Suspension components

  • Gear blanks

Mafuta & Gasi

  • Dhora makora

  • Tool joints

  • Miviri yevhavha

  • Hydraulic fittings

Aerospace

  • Kudzika giya zvikamu

  • Injini yekutsigira mabhureki

  • Precision linkages

Tool & Die

  • Zvibhakera zvofa

  • Tool holders

  • Kugadzira zvishandiso

Iko kugona kumira zvese static uye cyclic mitoro inoita4140iyo musana wezvinhu zvisingaverengeki zvakakosha mumaindasitiri epasi rose.

Zvinhu Zvinokonzera Kusimba Kwesimba Mukuita

Iyo theoretical tensile simba re4140 inogona kusiyanisa mune chaiyo-yepasi maapplication zvichienderana ne:

  • Saizi yechikamu:Zvikamu zvakakura zvinogona kutonhora zvishoma panguva yekupisa, kuderedza kuoma.

  • Surface finish:Rougher finisher inogona kuita sekusimudzira stress.

  • Machining mashandiro:Kugadzira kusina kunaka kunogona kukonzera kushushikana mupfungwa.

  • Heat treatment control:Kunyatsodzima uye kupisa tembiricha zvinokanganisa simba rekupedzisira.

At sakysteel, tinoshandisa kusimba kwehutongi hwehutongi panguva yekupisa kupisa uye machining kuti tive nechokwadi chepamusoro uye chinopindirana tensile zvivakwa mune zvese zvedu 4140 alloy simbi zvigadzirwa.

Testing uye Certification

Kusimba kwesimba kunowanzoyerwa uchishandisa auniversal test machine (UTM)kutevera ASTM kana ISO zviyero. Sampu yesimbi inotambanudzwa kusvika yaputsika, uye mhedzisiro inonyorwa.

Zvosesakysteel4140 simbi zvinhu zvinogona kupihwa ne:

  • EN 10204 3.1 zvitupa

  • Mechanical test report

  • Chemical composition data

Izvi zvinoita kuti pave nekujeka kuzere uye kutevedzera zviga zveindasitiri.

Pfungwa dzekupedzisira

4140 alloy simbizvechokwadi imwe yeanonyanya kushandiswa uye yakasimba simbi inowanikwa mumusika wepasi rose. Nekusimba kwesimba rinopfuura 1000 MPa mumamiriro ekurapwa, inosangana nezvinodiwa zvinodikanwa zvezvimiro, zvemichina, uye zvekushandisa.

Kana simba, kusimba, uye kuita zvinonyanya kukosha,4140 inopa-uyesakysteelinoita kuti iwe ugamuchire chete emhando yepamusoro zvinhu, zvakaedzwa uye zvakasimbiswa kune yako rugare rwepfungwa.

Nguva yekutumira: Jul-29-2025