Karfe Bar 4140 vs 4130 vs 4340: Duk Kuna Bukatar Sanin?

Idan ya zo ga zabar madaidaicin sandar ƙarfe na ƙarfe don injina, sararin samaniya, ko aikace-aikacen masana'antu, sunaye uku galibi suna zuwa kan gaba -4140, 4130, kuma4340. Waɗannan ƙananan ƙarfe na chromium-molybdenum sun shahara saboda ƙarfinsu, ƙarfi, da injina. Amma ta yaya za ku san wanda ya dace da aikin ku?

A cikin wannan cikakken jagorar, muna kwatanta4140 vs 4130 vs 4340 sanduna karfea kan ma'auni masu mahimmanci kamar su sinadaran sinadaran, kaddarorin inji, taurin, weldability, zafi magani, da kuma aikace-aikace dace - taimaka injiniyoyi, masana'anta, da kuma masu sayayya yin sanar da abu yanke shawara.

1. Gabatarwa zuwa 4140, 4130, da 4340 Karfe Bars

1.1 Menene Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙasa?

Ƙarfe-ƙasasshen ƙarfe sune ƙarfe na carbon wanda ya haɗa da ƙananan abubuwa masu haɗawa kamar chromium (Cr), molybdenum (Mo), da nickel (Ni) don inganta ƙayyadaddun kaddarorin.

1.2 Bayanin Kowane Darajoji

• 4140 Karfe: Ƙarfe mai mahimmanci wanda ke ba da kyakkyawan ƙarfi da taurin, ana amfani da shi sosai wajen yin kayan aiki, sassa na motoci, da injiniya na gaba ɗaya.

• 4130 Karfe: An san shi don girman tauri da walƙiya, galibi ana amfani da shi a cikin jirgin sama da motsa jiki.

• 4340 Karfe: Nickel-chromium-molybdenum alloy tare da matsananciyar ƙarfi da juriya ga gajiya, wanda aka fi so don sararin samaniya da aikace-aikace masu nauyi.

2. Kwatancen Haɗin Sinanci

Mabuɗin Bayani:

• 4340ya kara da cewanickel, yana ba shi ƙarfin ƙarfi da juriya ga gajiya.

• 4130yana da ƙananan abun ciki na carbon, ingantawaweldability.

• 4140yana da mafi girma carbon da manganese, boostingtaurin da ƙarfi.

3. Kwatancen Kayayyakin Injini

4. Maganin zafi da taurin kai

4130

• Daidaitawa: 870-900 ° C

• Taurare: Kashe mai daga 870 ° C

• Haushi: 480-650 ° C

• Mafi kyau ga: Aikace-aikacen da ake buƙataweldabilitykumatauri

4140

• Taurare: Kashe mai daga 840-875 ° C

• Haushi: 540-680 ° C

• Tauri: Excellent - zurfin harka hardening achievable

• Mafi kyau ga: Ƙarfin ƙarfi mai ƙarfi, gears, crankshafts

4340

• Taurare: Man fetur ko polymer quench daga 830-870 ° C

• Haushi: 400-600 ° C

• Sanannen: Yana riƙe ƙarfi ko da bayan zurfin hardening

• Mafi kyau ga: Kayan saukar jirgin sama, kayan aikin tuƙi masu nauyi

5. Weldability da Machinability

4130ya fito don kasancewa mai sauƙin waldawa ta amfani da TIG/MIG ba tare da tsagewa mai yawa ba, manufa don tsarin tubing kamar cages ko firam ɗin jirgin sama.

6. Aikace-aikace ta masana'antu

6.1 4130 Karfe Aikace-aikace

• Aerospace tubing

• Firam ɗin tsere da cages

• Firam ɗin babur

• Masu karɓar bindigogi

6.2 4140 Karfe Aikace-aikace

• Masu rike da kayan aiki

• Crankshafts

• Gears

• Axles da shafts

6.3 4340 Karfe Aikace-aikace

• Kayan saukar jirgin sama

• Ƙarfin ƙarfi mai ƙarfi da ƙugiya

• Abubuwan injina masu nauyi

• Shafts masana'antar mai da iskar gas

7. La'akarin Farashi

Saboda taabun ciki na nickel, 4340 shine mafi tsada. Koyaya, aikin sa a cikin buƙatar aikace-aikacen sau da yawa yana tabbatar da farashin.

8. Matsayin Duniya da Zayyana

Tabbatar cewa mai siyar da ƙarfe ɗin ku yana ba da takaddun gwajin niƙa waɗanda suka dace da ƙa'idodi masu dacewa kamarASTM A29, EN 10250, koSaukewa: G4053.

9. Yadda Ake Zaban Karfe Mai Kyau

10. Kammalawa

A gasar taKarfe Bar 4140 vs 4130 vs 4340, babu mai-girma-daidai-duk mai nasara - zabin da ya dace ya dogara da kuaiki, ƙarfi, farashi, da buƙatun walda.

• Zabi4130idan kana buƙatar kyakkyawan walƙiya da ƙarfin matsakaici.

• Ku tafi tare4140don babban ƙarfin ƙarfi, zaɓi mai tsada mai tsada wanda ya dace da shafts da gears.

• Zaɓi4340lokacin da matsananciyar tauri, ƙarfin gajiya, da juriya na girgiza suna da mahimmanci.