Awọn irin alagbara wa ni ọpọlọpọ awọn onipò, ọkọọkan ti a ṣe adaṣe lati pese awọn ẹya iṣẹ ṣiṣe kan pato. Lára wọn,440C alagbara, irinduro jade bi aga-erogba, ga-chromium martensitic alagbara, irinmọ fun awọn oniwe-o tayọ líle, wọ resistance, ati ipata resistance. O ti wa ni lilo pupọ ni awọn ohun elo ṣiṣe giga nibiti idaduro eti, agbara, ati agbara jẹ pataki.
A ṣawari awọnabuda, darí-ini, ati aṣoju ipawoti 440C alagbara, irin. Boya o ni ipa ninu apẹrẹ ile-iṣẹ, iṣelọpọ, irinṣẹ, tabi iṣelọpọ ẹrọ iṣoogun, nkan yii yoo pese awọn oye ti o niyelori si idi ti irin alagbara 440C jẹ yiyan olokiki fun awọn ohun elo ibeere.
At sakysteel, A ṣe pataki ni fifunni didara-didara 440C irin alagbara, irin ni orisirisi awọn fọọmu ati titobi, pade awọn aini awọn ile-iṣẹ ni agbaye. Olubasọrọsakysteelfun atilẹyin iwé, orisun orisun igbẹkẹle, ati awọn solusan ohun elo ti a ṣe deede.
1. Kini 440C Irin Alagbara?
440C alagbara, irinni amartensitic alagbara, irin alloypẹlu awọn ipele giga tierogba ati chromium. O jẹ apakan ti jara 400 ati pe o jẹ ite-sooro ipata julọ laarin awọn irin alagbara 440 (440A, 440B, ati 440C).
Ipilẹ Didara ti 440C:
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Erogba (C): 0.95% - 1.20%
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Chromium (Kr): 16.0% - 18.0%
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Manganese (Mn): ≤ 1.0%
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Silikoni (Si): ≤ 1.0%
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Molybdenum (Mo): Iyan ni diẹ ninu awọn ẹya fun kun toughness
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Nickel (Ni): wa kakiri iye
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Irin (Fe): iwontunwonsi
Yi tiwqn faye gba 440C lati de ọdọlíle giga (to 60 HRC)nigbati ooru-mu, nigba ti ṣi pese bojumu ipata resistance.
2. Awọn abuda bọtini ti 440C Irin Alagbara
a) Lile giga ati Agbara
Nigbati a ba tọju ooru daradara, 440C le ṣaṣeyọriAwọn ipele lile Rockwell laarin 58 si 60 HRC, ṣiṣe ki o jẹ ọkan ninu awọn irin alagbara ti o nira julọ ti o wa. Eyi jẹ ki o yẹ fun:
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Awọn irinṣẹ gige
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Ti nso irinše
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konge awọn ẹya ara
b) O tayọ yiya ati abrasion Resistance
Nitori akoonu erogba giga rẹ,440Cṣe afihandayato si resistance to dada yiya, eti abuku, ati darí rirẹ - apẹrẹ fun sisun tabi yiyi ohun elo.
c) Resistance Ipata ti o dara
Botilẹjẹpe kii ṣe sooro ipata bi awọn irin alagbara irin 300 jara, 440C ṣe daradara ni ìwọnba si awọn agbegbe ibajẹ iwọntunwọnsi. O le koju:
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Ọrinrin
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Awọn acids ounjẹ
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Awọn kemikali kekere
Sibẹsibẹ, o jẹko niyanjufun omi tabi awọn ohun elo kiloraidi giga laisi itọju dada to dara.
d) Oofa ati Ooru-Treatable
440C jẹoofani gbogbo awọn ipo ati ki o le jẹàiya nipasẹ boṣewa ooru itọju, ṣiṣe awọn ti o rọrun lati orisirisi si fun orisirisi darí ati igbekale ohun elo.
3. Mechanical Properties of 440C
| Ohun ini | Iye (Aṣoju, Ipo lile) |
|---|---|
| Agbara fifẹ | 760 – 1970 MPA |
| Agbara Ikore | 450 – 1860 MPa |
| Elongation ni Bireki | 10 – 15% |
| Lile (Rockwell HRC) | 58 – 60 |
| Modulu ti Elasticity | 200 GPA |
| iwuwo | 7.8 g/cm³ |
Awọn iye wọnyi le yatọ si da lori itọju ooru ati ilana iṣelọpọ.
4. Ilana Itọju Ooru
Awọn iṣẹ ti 440C alagbara, irin niti mu dara si pupọ nipasẹ itọju ooru. Ilana naa ni gbogbogbo pẹlu:
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Lile: Alapapo si 1010–1065°C (1850–1950°F)
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Pipa: Epo tabi afẹfẹ afẹfẹ lati mu ohun elo le
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Ìbínú: Ni igbagbogbo ni iwọn otutu ni 150–370°C (300–700°F) lati dinku brittleness ati alekun lile
Ooru-mu 440C fihano pọju líle ati ki o tayọ darí agbara, eyi ti o ṣe pataki fun awọn irinṣẹ titọ ati awọn egbegbe gige.
5. Awọn ohun elo ti o wọpọ ti 440C Irin alagbara
Nitori iwọntunwọnsi alailẹgbẹ rẹ ti líle, resistance wọ, ati resistance ipata iwọntunwọnsi, 440C ni a rii ni ọpọlọpọ awọn ohun elo ibeere:
a) Awọn irinṣẹ gige
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Awọn abẹfẹlẹ abẹ
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Felefele abe
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Awọn ọbẹ ile-iṣẹ
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Scissors
b) Bearings ati àtọwọdá irinše
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Bọlu bearings
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Àtọwọdá ijoko ati stems
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Abẹrẹ rola bearings
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Pivot pinni
c) Aerospace ati olugbeja
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Ofurufu actuator awọn ẹya ara
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Awọn pinni igbekale
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Ohun ija ati ohun ija irinše
d) Awọn ohun elo iṣoogun
Biocompatibility 440C ati agbara lati ṣetọju awọn egbegbe didasilẹ jẹ ki o dara fun:
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Awọn irinṣẹ ehín
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Awọn ohun elo iṣẹ abẹ
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Awọn ifibọ Orthopedic (ti kii ṣe yẹ)
e) Mold ati Die Industry
Atako rẹ lati wọ jẹ ki o dara fun:
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Ṣiṣu abẹrẹ molds
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Ṣiṣeto ku
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Irinṣẹ irinše
sakysteelnfun 440C irin alagbara, irin ni sheets, farahan, ọpá, ati ifi fun awọn wọnyi ati awọn ohun elo miiran. Pẹlu wiwa kakiri ni kikun ati idaniloju didara,sakysteelṣe idaniloju iṣẹ giga fun awọn iṣẹ akanṣe pataki.
6. Awọn idiwọn ti 440C Irin Alagbara
Lakoko ti 440C jẹ ohun elo iṣẹ ṣiṣe giga, kii ṣe apẹrẹ fun gbogbo ipo:
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Idaabobo ipata ni opinninu omi tabi awọn agbegbe ọlọrọ kiloraidi
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Isalẹ lileakawe si austenitic onipò
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Le di brittleni gidigidi ga líle ayafi fara tempered
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Ṣiṣe ẹrọ le nirani ipo lile
Fun awọn ohun elo to nilo ductility ti o ga tabi resistance ipata, 316 tabi awọn irin alagbara duplex le jẹ awọn omiiran to dara julọ.
7. Dada Ipari Aw
440C irin alagbara, irin ni a le pese ni ọpọlọpọ awọn ipari dada, da lori awọn ibeere lilo ipari:
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Annealed: Fun rọrun machining ati lara ṣaaju ki o to lile
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Ilẹ tabi didan: Fun darapupo tabi iṣẹ-ṣiṣe konge
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O le ati ibinu: Fun awọn irinṣẹ ati awọn ohun elo wọ
At sakysteel, a peseadani dada pari ati mefafun 440C irin alagbara, irin lati ba awọn aini alabara.
8. 440C vs Miiran Irin alagbara
| Ipele | Lile | Ipata Resistance | Awọn ohun elo |
|---|---|---|---|
| 304 | Kekere | O tayọ | Gbogbogbo igbekale lilo |
| 316 | Kekere | Ti o ga julọ | Marine, ounje, pharma |
| 410 | Déde | Déde | Awọn irinṣẹ ipilẹ, fasteners |
| 440C | Ga | Déde | Awọn irinṣẹ to tọ, bearings |
440C nile julọati julọwọ-soorolaarin awọn wọnyi, tilẹ pẹlu die-die kekere ipata resistance.
Ipari
440C alagbara, irinni a oke-ipele wun nigbatilíle ailẹgbẹ, atako wọ, ati iduroṣinṣin ipata iwọntunwọnsiti wa ni ti beere. O ti wa ni lilo pupọ ni awọn ile-iṣẹ ti o wa lati oju-ofurufu ati ọkọ ayọkẹlẹ si iṣoogun ati irinṣẹ irinṣẹ. Agbara rẹ lati ni lile si awọn ipele to gaju lakoko ti o ṣetọju aabo ipata ti o tọ jẹ ki o jẹ ọkan ninu pupọ julọwapọ martensitic alagbara, irinwa.
Imọye awọn abuda rẹ gba awọn onimọ-ẹrọ ati awọn ti onra lati ṣe yiyan ohun elo ti o dara julọ fun awọn ohun elo pipẹ, awọn iṣẹ ṣiṣe giga.
Fun irin alagbara 440C ti o ga julọ pẹlu awọn iwe-ẹri kikun ati awọn iṣẹ ti a ṣafikun iye bi gige aṣa, didan, ati itọju ooru,sakysteeljẹ olupese ti o gbẹkẹle. Olubasọrọsakysteelloni lati gba agbasọ kan tabi jiroro awọn ibeere iṣẹ akanṣe rẹ.
Akoko ifiweranṣẹ: Jul-28-2025