Wane irin Karfe ne 4140?

Karfe 4140 sanannen ƙarfe ne wanda aka sani da ƙarfi, ƙarfi, da juzu'i. Yana cikin dangin chromium-molybdenum karafa, yana ba da haɗin haɗin keɓaɓɓen kayan aikin injiniya wanda ya sanya shi zaɓin zaɓi don aikace-aikacen masana'antu. Injiniyoyi, masu ƙirƙira, da masana'antun suna amfani da wannan ƙarfe don komai daga sassa na mota zuwa abubuwan injina.

A cikin wannan SEO labarin, sakysteel gabatar da wani m bayyani na4140 karfe, ciki har da sinadaran sinadaransa, kayan aikin injiniya, hanyoyin magance zafi, da amfani na kowa.

Rarraba 4140 Karfe

4140 ƙaramin ƙarfe ne wanda ke faɗuwa ƙarƙashin tsarin rarrabawa SAE-AISI. An kuma san shi daAISI 4140, EN19 (a Turai), kumaSCM440 (a Japan). Sunan "4140" yana nufin takamaiman abun ciki na gami:

  • "41" yana nuna karfe chromium-molybdenum

  • "40" yana wakiltar kimanin abun ciki na carbon (0.40%)

4140 karfe ba bakin karfe bane, saboda baya dauke da isasshen chromium don bayar da juriya na lalata. Madadin haka, yana da daraja don ƙarfin injinsa da taurinsa bayan maganin zafi.

Chemical Haɗin gwiwar 4140 Karfe

Abubuwan sinadaran 4140 shine abin da ya ba shi ingantattun kayan aikin injiniya. Matsaloli na yau da kullun sun haɗa da:

  • 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%

Wadannan abubuwa suna aiki tare don haɓaka ƙarfin ƙarfi, juriya, da tsayin daka gabaɗaya, suna yin 4140 zuwa kayan aiki don buƙatar sassa na inji.

Kayayyakin Injini na 4140 Karfe

4140 yana ba da kewayon kayan aikin injiniya mai ban sha'awa, musamman bayan ingantaccen magani mai zafi. Waɗannan sun haɗa da:

  • Ƙarfin Ƙarfafawa:Har zuwa 1100 MPa (160 ksi)

  • Ƙarfin Haɓaka:Kusan 850 MPa (123 ksi)

  • Tsawaitawa a Break:Kusan 20%

  • Tauri:Yawanci 197 zuwa 235 HB a cikin yanayin rashin lafiya, har zuwa 50 HRC bayan quenching da zafin jiki.

Wadannan dabi'u na iya bambanta dangane da nau'in karfe (sanyi, faranti, jabu) da yanayin maganin zafi.

Zafin Jiyya na 4140 Karfe

Maganin zafi shine maɓalli mai mahimmanci wanda ke haɓaka aikin4140 karfe. Karfe na iya ɗaukar matakai masu zuwa:

  1. Annealing
    A hankali sanyaya daga kusan 850 ° C don inganta injina da rage damuwa na ciki. Wannan yana haifar da tsari mai laushi tare da ingantaccen ductility.

  2. Daidaitawa
    Mai zafi zuwa 870 ° C don tsaftace tsarin hatsi. Yana ba da ma'auni na ƙarfi da ƙarfi.

  3. Quenching da fushi
    An taurare ta hanyar dumama zuwa kusan 845°C da saurin sanyaya a cikin mai ko ruwa, sannan taushi zuwa matakan taurin da ake so. Wannan yana ƙara ƙarfin ƙarfi da juriya.

  4. Rage damuwa
    Anyi a kusa da 650°C don rage saura damuwa daga injina ko walda.

A sakysteel, mun bayar4140 karfea cikin yanayin zafi daban-daban dangane da bukatun abokin ciniki, yana tabbatar da iyakar aiki a cikin aikace-aikacen ku.

Amfanin 4140 Karfe

  • Babban Ƙarfi-zuwa-Nauyi Ratio:Mafi dacewa don aikace-aikace masu nauyi.

  • Kyakkyawan juriya ga gajiyawa:Yana tsayayya da lodin keken keke, wanda ya dace da gears da shafts.

  • Kyawawan Hardenability:Yana samun babban taurin bayan quenching.

  • Kayan aiki:Sauƙaƙe na'ura a cikin ɓarna ko daidaita yanayin.

  • Weldability:Za a iya yin walda tare da ingantaccen magani na preheating da bayan walda.

Waɗannan fa'idodin sun sa ƙarfe 4140 ya zama zaɓi na tattalin arziƙi don aikace-aikacen injiniya da yawa mai tsananin damuwa.

Aikace-aikace na 4140 Karfe

Saboda ƙarfin injinsa da ƙarfinsa, ana amfani da ƙarfe 4140 a cikin masana'antu da yawa:

Masana'antar Motoci

  • Axles

  • Crankshafts

  • Gears

  • Knuckles na tuƙi

Mai da Gas

  • Haɗa kwala

  • Kayan aikin haɗin gwiwa

  • Sanduna masu haɗawa

Jirgin sama

  • Abubuwan da aka gyara kayan saukarwa

  • Shafts

  • Sassan tsari mai girman damuwa

Injin Masana'antu

  • Haɗin kai

  • Abubuwan da aka ƙirƙira

  • Mutuwar masu riƙewa

  • Spindles

At sakysteel, mun kawota4140 karfesamfurori don abokan ciniki a duk waɗannan sassan, suna ba da ingantaccen inganci da daidaitaccen gyare-gyare.

Yadda 4140 Kwatanta da Sauran Karfe

4140 vs. 1045 Karfe Karfe:
4140 yana ba da mafi kyawun juriya da juriya mafi girma saboda abubuwan haɗin gwiwa. 1045 yana da arha amma ƙasa da dorewa.

4140 vs. 4340 Karfe:
4340 yana da mafi girman abun ciki nickel, yana ba da mafi kyawun ƙarfi da juriya ga gajiya. 4140 ya fi tasiri-tasiri don amfanin gaba ɗaya.

4140 vs. Bakin Karfe (misali, 304 ko 316):
Bakin karfe yana ba da juriya na lalata amma ƙananan ƙarfi. 4140 ya fi dacewa a aikace-aikace masu ɗaukar nauyi ba tare da fallasa ga mahalli masu lalata ba.

Akwai Forms a sakysteel

Sakysteel yana samar da karfe 4140 a cikin waɗannan samfuran samfur:

  • Sandunan Zagaye (Maɗaukakin Zafi, Zane Mai Sanyi, Bawon)

  • Flat Bars da Faranti

  • Karɓɓaka Tubalan da Zobba

  • Bars da Tubes (bisa buƙata)

  • Yanke-zuwa-girma madaidaicin sarari

Duk samfuran suna samuwa tare daEN10204 3.1 Takaddun shaida, kuma muna kuma bayar da mashin ɗin CNC da sabis na kula da zafi.

Kammalawa

4140 ne m, high-yi gami karfe cewa saduwa da bukatun daban-daban m aikace-aikace. Haɗin ƙarfinsa, ƙaƙƙarfan ƙarfi, da ƙimar farashi ya sa ya zama abin da aka fi so don injiniyoyi da masana'antun a duk duniya.

Ko kuna buƙatar samar da albarkatun ƙasa ko abubuwan da aka gama,sakysteelshine amintaccen abokin tarayya don 4140 gami karfe. Tuntuɓi ƙungiyar fasahar mu a yau don tattauna buƙatun ku da karɓar ƙima mai ƙima.

Lokacin aikawa: Yuli-29-2025