A oʻo i le filifilia o le uʻamea uʻamea saʻo mo galuega faʻainisinia, vaalele, poʻo galuega tau alamanuia, e tolu igoa e masani ona oʻo mai i le pito i luma —4140, 4130, ma4340. O nei u'amea chromium-molybdenum e maualalo le u'amea e lauiloa i lo latou malosi, ma'a'a, ma le faigofie ona fa'aaogaina. Ae e fa'apefea ona e iloa po'o fea e fetaui lelei mo lau galuega?
I lenei taʻiala atoatoa, matou te faʻatusatusaina4140 vs 4130 vs 4340 u'ameai fua fa'atatau autū e pei o le tu'ufa'atasiga fa'akemikolo, meatotino fa'amekanika, ma'a'a, faigofie ona fa'avevela, togafitiga fa'avevela, ma le talafeagai o le fa'aoga — fesoasoani i inisinia, tagata gaosi oloa, ma tagata fa'atau e faia ni fa'ai'uga fa'avae i meafaitino.
1. Fa'atomuaga i U'amea 4140, 4130, ma le 4340
1.1 O a U'amea Fa'a'au'au Maualalo?
O u'amea low-alloy o u'amea kaponi ia e aofia ai ni nai elemene fa'afefiloi e pei o le chromium (Cr), molybdenum (Mo), ma le nickel (Ni) e fa'aleleia atili ai ni meatotino fa'apitoa.
1.2 Aotelega o Vasega Taʻitasi
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4140 UameaO se u'amea e tele ona aoga e ofoina atu le malosi ma le ma'a'a lelei, e fa'aaogaina lautele i le gaosiga o meafaigaluega, vaega o ta'avale, ma inisinia lautele.
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4130 Uamea: Ua lauiloa i lona malosi tele ma le faigofie ona fa'apipi'i, e masani ona fa'aaogaina i va'alele ma ta'aloga afi.
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4340 UameaO se u'amea fa'a'ofu'ofu nickel-chromium-molybdenum e malosi tele ma tete'e atu i le vaivai, e sili ona lelei mo galuega tau va'alele ma galuega mamafa.
2. Fa'atusatusaga o le Fa'atulagaga Fa'akemikolo
| Elemene | 4130 (%) | 4140 (%) | 4340 (%) |
|---|---|---|---|
| Kaponi (C) | 0.28 – 0.33 | 0.38 – 0.43 | 0.38 – 0.43 |
| Manganese (Mn) | 0.40 – 0.60 | 0.75 – 1.00 | 0.60 – 0.80 |
| Kromium (Cr) | 0.80 – 1.10 | 0.80 – 1.10 | 0.70 – 0.90 |
| Molibdenum (Mo) | 0.15 – 0.25 | 0.15 – 0.25 | 0.20 – 0.30 |
| Nickel (Ni) | – | – | 1.65 – 2.00 |
| Silikoni (Si) | 0.15 – 0.35 | 0.15 – 0.30 | 0.15 – 0.30 |
Fa'amatalaga Autū:
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4340ua fa'aopoopoinanikela, ma maua ai le malosi sili atu ma le tete'e atu i le vaivai.
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4130e maualalo le aofa'i o le kaponi, e fa'aleleia atili aimafai ona fa'apipi'i.
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4140e maualuga atu le carbon ma le manganese, e fa'ateleina ai lema'a'a ma le malosi.
3. Fa'atusatusaga o Meatotino Fa'amekanika
| Meatotino | 4130 Uamea | 4140 Uamea | 4340 Uamea |
|---|---|---|---|
| Malosiaga o le Fetuuna'i (MPa) | 670 – 850 | 850 – 1000 | 930 – 1080 |
| Malosiaga o le Gafatia (MPa) | 460 – 560 | 655 – 785 | 745 – 860 |
| Fa'aloloa (%) | 20 – 25 | 20 – 25 | 16 – 20 |
| Ma'a'a (HRC) | 18 – 25 | 28 – 32 | 28 – 45 |
| Malosiaga o le A'afiaga (J) | Maualuga | Feololo | Maualuga Tele |
4. Togafitiga Fa'avevela ma le Fa'ama'a'aina
4130
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Fa'atulagaina: 870–900°C
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Fa'ama'a'aina: Fa'amālūlūina le suāuu mai le 870°C
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Fa'amālūlūina: 480–650°C
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Sili ona lelei mo: Talosaga e manaʻomiamafai ona fa'apipi'imamalosi
4140
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Fa'ama'a'aina: Fa'amālūlūina le suāuu mai le 840–875°C
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Fa'amālūlūina: 540–680°C
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Fa'ama'a'aina: Sili ona lelei — e mafai ona fa'ama'a'aina loloto le mataupu
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Sili ona lelei mo: Ogāumu malolosi, kia, ma crankshafts
4340
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Fa'ama'a'ainaFa'amālūlūina le suāuu po'o le polymer mai le 830–870°C
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Fa'amālūlūina: 400–600°C
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Iloga: E tumau pea le malosi tusa lava pe ua uma ona fa'ama'a'a loloto
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Sili ona lelei mo: Mea e tulaueleele ai vaalele, vaega e fa'agaoioi ai le mamafa
5. Fa'apipi'i ma le Masini
| Meatotino | 4130 | 4140 | 4340 |
|---|---|---|---|
| Malosiaga e fa'apipi'i ai | Sili ona lelei | Talafeagai i le Lelei | Fetaui |
| Fa'afaigofieina o masini | Lelei | Lelei | Feololo |
| Fa'avevela muamua | Fautuaina mo vaega mafiafia (>12mm) | ||
| Togafitiga Fa'avevela pe a uma ona fa'apipi'i | Fautuaina mo le 4140 ma le 4340 e faʻaitiitia ai le atuatuvale ma le māvaevae |
4130E tulaga ese ona faigofie ona fa'apipi'i pe a fa'aaoga le TIG/MIG e aunoa ma le tele o le māvaevae, e fetaui lelei mo fausaga o paipa e pei o pusa ta'avale po'o fa'avaa o va'alele.
6. Talosaga e ala i Alamanuia
6.1 4130 Fa'aoga Uamea
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Paipa vaalele
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Fa'avaa ta'avale ma pa'u ta'avale
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Fa'avaa o uila afi
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Mea e talia ai fana
6.2 4140 Fa'aoga Uamea
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Mea e uu ai meafaigaluega
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Ogāumu Fa'alava
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Kia
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Au ma au
6.3 4340 Fa'aoga Uamea
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Mea e tulaueleele ai vaalele
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Polo ma fa'amau malolosi
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Vaega o masini mamafa
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Ogaumu o le alamanuia o le suau'u ma le kesi
7. Mafaufauga i Tau
| Vasega | Tau Fa'atatau | Avanoa |
|---|---|---|
| 4130 | Maualalo | Maualuga |
| 4140 | Feololo | Maualuga |
| 4340 | Maualuga | Feololo |
Ona o lonaanotusi o le nikel, 4340 e sili ona taugataPeita'i, o lona fa'atinoga i fa'aoga faigata e masani ona fa'amaonia ai le tau.
8. Tulaga Fa'atonuina ma Fa'ailoga Fa'avaomalo
| Vasega U'amea | ASTM | SAE | EN/DIN | JIS |
|---|---|---|---|---|
| 4130 | A29/A519 | 4130 | 25CrMo4 | SCM430 |
| 4140 | A29/A322 | 4140 | 42CrMo4 | SCM440 |
| 4340 | A29/A322 | 4340 | 34CrNiMo6 | SNCM439 |
Ia mautinoa o loʻo tuʻuina atu e lau kamupani uʻamea ni tusi faʻamaonia o suʻega o le fale gaosi uʻamea e tausisia tulaga faʻatonuina talafeagai e pei oASTM A29, EN 10250, peJIS G4053.
9. Auala e Filifili ai le U'amea Sa'o
| Manaoga | Vasega Fautuaina |
|---|---|
| Lelei sili ona lelei le fa'apipi'iina | 4130 |
| Paleni sili ona lelei o le malosi ma le tau | 4140 |
| Malosiaga sili ona malosi ma le vaivai | 4340 |
| Tete'e maualuga i le ofuina | 4340 pe fa'ama'a'aina 4140 |
| Vaalele po'o ta'avale | 4340 |
| Inisinia lautele | 4140 |
10. Faaiuga
I le tauvaga aU'amea Pa 4140 vs 4130 vs 4340, e leai se tasi e manumalo mo tagata uma — o le filifiliga sa'o e fa'alagolago i laufa'atinoga, malosi, tau, ma mana'oga o le uelo.
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Filifili4130afai e te manaʻomia le faigofie ona faʻapipiʻi ma le malosi feololo.
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Alu fa'atasi ma4140mo se filifiliga malosi ma taugofie e talafeagai mo au ma kia.
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Filifili4340pe a taua tele le malosi tele, le malosi i le vaivai, ma le tete'e atu i te'i.
Taimi na lafoina ai: Iulai-24-2025