A oʻo mai i le filifilia o le paʻu uʻamea saʻo mo masini, aerospace, poʻo mea tau alamanuia, e tolu igoa e masani ona oʻo mai i luma -4140, 4130, ma4340. O nei u'amea chromium-molybdenum maualalo e ta'uta'ua mo lo latou malosi, faigata, ma le fa'aogaina. Ae fa'afefea ona e iloa po'o fea e fetaui lelei mo lau poloketi?
I totonu o lenei taʻiala lautele, matou te faʻatusatusa4140 vs 4130 vs 4340 pa uameai luga ole fua fa'atatau e pei ole vaila'au, mea fa'ainisinia, ma'a'a'a, fa'alelei, vevela, ma le fa'aoga talafeagai - fesoasoani i inisinia, fa'ameamea, ma tagata fa'atau e faia fa'ai'uga fa'apitoa.
1. Folasaga i le 4140, 4130, ma le 4340 Pa uamea
1.1 O a Uamea Maualalo?
O uamea maualalo o u'amea kaponi e aofia ai vaega laiti o mea fa'afefiloi e pei o le chromium (Cr), molybdenum (Mo), ma le nickel (Ni) e fa'aleleia ai mea fa'apitoa.
1.2 Vaaiga Aoao o Vasega Ta'itasi
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4140 Uamea: O se u'amea fa'apitoa e ofoina atu le malosi ma le ma'a'a'a lelei, fa'aaoga lautele i mea faigaluega, vaega ta'avale, ma fa'ainisinia lautele.
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4130 Uamea: E lauiloa ona o lona malosi maualuga ma le faʻamalosia, e masani ona faʻaaogaina i vaalele ma taʻavale afi.
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4340 Uamea: O se nickel-chromium-molybdenum alloy faʻatasi ai ma le malosi sili-maualuga ma le faʻavaivaia o le vaivai, e fiafia i ai mo le vaalele ma le mamafa-tiute talosaga.
2. Fa'atusatusaga Fa'atusa o mea tau vaila'au
| 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 |
| Chromium (Cr) | 0.80 – 1.10 | 0.80 – 1.10 | 0.70 – 0.90 |
| Molybdenum (Mo) | 0.15 – 0.25 | 0.15 – 0.25 | 0.20 – 0.30 |
| Nikeli (Ni) | – | – | 1.65 – 2.00 |
| Siliko (Si) | 0.15 – 0.35 | 0.15 – 0.30 | 0.15 – 0.30 |
Fa'amatalaga Autu:
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4340ua faaopooponikeli, e maua ai le malosi maualuga ma le vaivai.
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4130e maualalo le kaponi i totonu, faʻaleleiau'umea.
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4140e maualuga atu le carbon ma manganese, faʻamalosiamaaa ma le malosi.
3. Fa'atusatusaga Meatotino Fa'ainisinia
| Meatotino | 4130 Uamea | 4140 Uamea | 4340 Uamea |
|---|---|---|---|
| Malosi (MPa) | 670 – 850 | 850 – 1000 | 930 – 1080 |
| Malosi fua (MPa) | 460 – 560 | 655 – 785 | 745 – 860 |
| Fa'aumi (%) | 20 – 25 | 20 – 25 | 16 – 20 |
| Malosi (HRC) | 18 – 25 | 28 – 32 | 28 – 45 |
| Malosi o A'afiaga (J) | Maualuga | feololo | Maualuga Maualuga |
4. Togafitiga vevela ma le fa'amalo
4130
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Fa'asalaina: 870–900°C
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Fa'amaaa: Tinei suauu mai le 870°C
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Fa'aitaita: 480–650°C
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Sili mo: Talosaga e mana'omiau'umeamamaaa
4140
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Fa'amaaa: Tinei suauu mai le 840–875°C
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Fa'aitaita: 540–680°C
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Malosi: Lelei - e mafai ona ausia le fa'amaa'aina o mataupu loloto
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Sili mo: O'a maualuga-malosi, mea fa'aoga, fa'au
4340
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Fa'amaaa: Suauu po'o polymer tineia mai le 830–870°C
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Fa'aitaita: 400–600°C
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Mata'ina: E faatumauina le malosi e tusa lava pe a uma le maaa loloto
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Sili mo: Mea e tulaueleele ai vaalele, vaega ave taavale mamafa
5. Weldability ma masini
| Meatotino | 4130 | 4140 | 4340 |
|---|---|---|---|
| Uuleleia | Lelei | Talafeagai i le Lelei | Talafeagai |
| Masini | Lelei | Lelei | feololo |
| mua'i fa'avevela | Fautuaina mo vaega mafiafia (>12mm) | ||
| Togafitiga o le Vevela pe a uma | Fautuaina mo le 4140 ma le 4340 e faʻaitiitia ai le popole ma le taʻe |
4130tulaga ese mo le faigofie uelo fa'aaoga TIG/MIG e aunoa ma le ta'e tele, lelei mo fausaga tubing e pei o ta'avale fale po'o va'a va'alele.
6. Talosaga e ala i Alamanuia
6.1 4130 Talosaga uamea
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Aerospace paipa
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Fa'avaa tuuga ma fale ta'avale
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Fa'avaa uila afi
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E talia fana
6.2 4140 Talosaga uamea
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Mea faigaluega
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Crankshafts
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Uafi
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Axles ma au
6.3 4340 Talosaga uamea
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Mea e tulaueleele ai vaalele
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Fa'amau ma fa'amau fa'amau
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Vaega o masini mamafa
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Suau'u ma kesi fale gaosi oloa
7. Iloiloga Tau
| Vasega | Tau Fa'atatau | Avanoa |
|---|---|---|
| 4130 | Maulalo | Maualuga |
| 4140 | Alafua | Maualuga |
| 4340 | Maualuga | feololo |
Ona o lonamea e maua ai nikeli, 4340 e sili ona taugata. Ae ui i lea, o lona faʻatinoga i talosaga faigata e masani ona faʻamaonia le tau.
8. Tulaga Fa'ava-o-malo ma Fa'ailoga
| Vasega uamea | 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 lo'o tu'uina atu e lau fa'ameamea u'amea tusi fa'ata'ita'i mill e fa'amalieina tulaga fa'atatau e pei oASTM A29, EN 10250, peJIS G4053.
9. Fa'afefea ona Filifili le Pa Uamea Sa'o
| Manaoga | Vasega Fautuaina |
|---|---|
| Fa'alelei sili | 4130 |
| Paleni sili o le malosi ma le tau | 4140 |
| Malosi sili ma le malosi vaivai | 4340 |
| Tete'e maualuga le ofuina | 4340 po o le faamaaaina 4140 |
| Aerospace po'o ta'avale | 4340 |
| Inisinia lautele | 4140 |
10. Fa'ai'uga
I le tauvaga aPa uamea 4140 vs 4130 vs 4340, e leai se tasi e fetaui ma tagata uma - o le filifiliga sa'o e faalagolago i laufaatinoga, malosi, tau, ma manaoga uelo.
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Filifili4130pe afai e te manaʻomia le faʻaleleia lelei ma le malosi malosi.
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Alu ma4140mo se maualuga-malosi, tau-lelei filifiliga talafeagai mo u'amea ma mea e fai ai.
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Filifili4340pe a matua'i ma'a'a, malosi vaivai, ma tete'e fa'ate'ia e taua tele.
Taimi meli: Iul-24-2025