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Irin alagbara, irin onipò ati jara

Irin ti ko njepata, mọ fun awọn oniwe-ipata resistance ati agbara, jẹ ohun elo to ṣe pataki ni ọpọlọpọ awọn ile-iṣẹ ti o wa lati ikole si ohun elo iṣoogun. Nkan yii n pese akopọ okeerẹ ti awọn onipò irin alagbara ati jara, apejuwe awọn ohun-ini wọn, awọn ohun elo, ati awọn afiwera lati ṣe iranlọwọ ni yiyan ohun elo fun awọn iwulo pato.

1808 Awọn iwo 2024-12-07 14:52:48

Irin ti ko njepata, mọ fun awọn oniwe-ipata resistance ati agbara, jẹ ohun elo to ṣe pataki ni ọpọlọpọ awọn ile-iṣẹ ti o wa lati ikole si ohun elo iṣoogun. Nkan yii n pese akopọ okeerẹ ti awọn onipò irin alagbara ati jara, apejuwe awọn ohun-ini wọn, awọn ohun elo, ati awọn afiwera lati ṣe iranlọwọ ni yiyan ohun elo fun awọn iwulo pato.

Oye Irin alagbara

Irin alagbara, irin jẹ ẹya alloy nipataki kq ti irin, pẹlu ni o kere 10.5% chromium. Awọn afikun ti chromium nyorisi didasilẹ ti palolo chromium oxide Layer lori dada, eyi ti idilọwọ ipata ati ipata. Tiwqn le ṣe atunṣe siwaju pẹlu awọn eroja bi nickel, molybdenum, ati awọn miiran lati mu orisirisi-ini.

Irin alagbara, irin onipò ati jara

Irin alagbara, irin onipò ati jara

Awọn idile Irin Alagbara

Irin alagbara le ti wa ni tito lẹšẹšẹ si orisirisi awọn idile da lori wọn microstructure:

  • Austenitic: Non-oofa pẹlu o tayọ ipata resistance, agbara giga, ati pe kii ṣe lile nipasẹ itọju ooru.
  • Ferritic: Oofa, pẹlu iwọntunwọnsi resistance ipata ati kii ṣe lile ni pataki.
  • Martensitic: Oofa, pẹlu resistance ipata ti o dara ṣugbọn kekere ju austenitic, ga líle, ati ooru treatable fun pọ agbara.
  • Duplex: Apapo ti austenitic ati ferritic, laimu ga agbara, ti o dara ipata resistance, ati resistance si wahala ipata wo inu.
  • Òjò Òjò (PH): Mọ fun exceptional agbara, ti o dara ipata resistance, ati agbara lati di lile nipasẹ itọju ooru.

Irin alagbara, irin onipò

200 Jara – Austenitic Chromium-Nickel-Manganese Alloys

  • Awọn ohun elo: Awọn ohun elo inu inu bii awọn ohun elo ati awọn paati adaṣe nibiti resistance ipata giga ko ṣe pataki.
  • Ibamu: Nfun ni iye owo kekere pẹlu iduroṣinṣin ipata to pe fun awọn agbegbe ti ko ni ibinu.

300 Jara – Austenitic Chromium-Nickel Alloys

Yi jara jẹ julọ gbajumo nitori awọn oniwe-versatility:

  • Iru 304: A mọ bi A2, ipele ti o wọpọ julọ pẹlu resistance ipata to dara julọ, formability, ati agbara. Lo ninu ounje processing, egbogi awọn ẹrọ, ati awọn ohun elo ile.
  • Iru 316: A mọ bi A4, pẹlu molybdenum fun imudara ipata resistance, paapaa lodi si awọn chlorides. Apẹrẹ fun tona ohun elo ati kemikali processing.
  • Iru 309: Dara otutu resistance ju 304, o dara fun awọn ohun elo to lekoko ooru bi awọn paati ileru ati awọn ẹya eefi ọkọ ayọkẹlẹ.
  • Iru 321: Ni titanium lati dinku eewu ibajẹ weld, lo ninu alurinmorin ohun elo.

400 Jara – Ferritic ati Martensitic Chromium Alloys

  • Iru 409: Titanium-duroṣinṣin, ti a lo ni akọkọ ninu awọn eto eefi ọkọ ayọkẹlẹ nitori idiwọ ipata otutu otutu rẹ.
  • Iru 410: Ipilẹ martensitic ite, ooru ti o le ṣe itọju pẹlu resistance ipata to dara ni awọn agbegbe kekere.
  • Iru 430: Ferritic pẹlu resistance to dara si acid nitric, ti a lo ninu awọn ohun elo ohun ọṣọ bi gige gige.
  • Iru 440: Ga-erogba martensitic irin, ti a mọ fun lile rẹ ati lilo ninu gige ati awọn ohun elo iṣẹ abẹ.

500 Jara – Ooru-Atako Chromium Alloys

  • Awọn ohun elo: Awọn agbegbe iwọn otutu bi awọn ileru, ooru exchangers, ati Oko eefi awọn ọna šiše.

600 Jara – ojoriro Hardening Alloys

  • Iru 630 (17-4 PH): Nfun ga agbara, ti o dara ipata resistance, ati pe a lo ni aaye afẹfẹ, kemikali processing, ati awọn ẹrọ iwosan.

900 Jara – Austenitic Chromium-Molybdenum Alloys

  • Awọn ohun elo: Iru si 316 ṣugbọn pẹlu chromium ati molybdenum ti o ga julọ fun resistance ipata ti o ga julọ.

Alagbara Irin onipò Chart

Ipele Kemikali tiwqn Agbara fifẹ O pọju Lo otutu Ojuami Iyo Agbara (%) Lile (HB) Oofa
Austenitic
201 16-18% Kr, 3.5-5.5% Ni, 5.5-7.5% Mn 515 MPa (75 Ksi) 700˚C (1292˚F) 1400-1450°C (2552-2642°F) 40% 250 Rara
202 17-19% Kr, 4-6% Ni, 7.5-10% Mn 515 MPa(75 Ksi) 800˚C (1472˚F) 1400-1450°C (2552-2642°F) 40% 250 Rara
205 16.5-18% Kr, 1-1.75% Ni, 14-15% Mn 515 MPa(75 Ksi) 800˚C (1472˚F) 1400-1450°C (2552-2642°F) 40% 250 Rara
301 16-18% Kr, 6-8% Ni 515 MPa(75 Ksi) 871 °C (1600 °F) 1399-1421°C (2550-2590°F) 40% 201 Rara
302 17-19% Kr, 8-10% Ni 585 MPa (85 Ksi) 870˚C (1598˚F) 1400-1420°C (2550-2590°F) 40% 201 Rara
303 17-19% Kr, 8-10% Ni, 0.15-0.35% S 690 MPa(100 Ksi) 760˚C (1,400˚F) 1400-1420°C (2550-2590°F) 35% 262 Rara
304 18-20% Kr, 8-10.5% Ni 621 MPa (90 Ksi) 870˚C (1598˚F) 1399-1454°C (2550-2650°F) 45% 201 Rara
305 17-19% Kr, 10-13% Ni 515 MPa (75 ksi) 815°C (1500°F) 1375-1425°C (2507-2597°F) 40% 205 Rara
308 19-21% Kr, 9-11% Ni 620 MPa (90 ksi) 870˚C (1598˚F) 1400-1425°C (2552-2597°F) 35% 217 Rara
309 23% Kr, 13% Ni 620 MPa (89 Ksi) 1000˚C (1,832˚F) 1400-1455°C (2550-2651°F) 25% 180 Rara
314 24-26% Kr, 19-22% Ni 620 MPa(90 Ksi) 1100˚C (2012˚F) 1399-1421°C (2550-2590°F) 45% 217 Rara
316 16-18% Kr, 10-14% Ni, 2-3% Mo 579 MPa (84 Ksi) 800˚C (1,472˚F) 1371-1399°C (2500-2550°F) 45% 217 Rara
317 18-20% Kr, 11-15% Ni, 3-4% Mo 585 MPa(85 Ksi) 816˚C (1,500˚F) 1370-1400°C (2500-2550°F) 40% 217 Rara
321 17-19% Kr, 9-12% Ni, 0.7% Ti 620 MPa(90 Ksi) 816˚C (1,500˚F) 1400-1425°C (2550-2600°F) 45% 217 Rara
347 17-19% Kr, 9-12% Ni, 0.8% Nb 690 MPa(101 Ksi) 816˚C (1,500˚F) 1400-1425°C (2550-2600°F) 45% 217 Rara
904L 19-23% Kr, 23-28% Ni, 4.5% Mo 490 MPa (71 Ksi) 400˚C (752˚F) 1350-1400°C (2462-2552°F) 35% 200 Rara
A2 18% Kr, 8% Ni (Ni deede si 304) 505 MPa (73 ksi) 870˚C (1598˚F) 1400-1450°C (2552-2642°F) 40% 123 Rara
18/8 18% Kr, 8% Ni 505 MPa (73 ksi) 870˚C (1598˚F) 1400-1450°C (2552-2642°F) 40% 123 Rara
18/10 18% Kr, 10% Ni 520 MPa (75 ksi) 870˚C (1598˚F) 1400-1450°C (2552-2642°F) 40% 129 Rara
Ferritic
405 11.5-14.5% Kr 585 MPa (85 Ksi) 815˚C (1,499˚F) 1480-1530°C (2700-2790°F) 20% 200 Bẹẹni
408 11% Kr, 8-10% Ni 505 MPa (73 Ksi) 815˚C (1,499˚F) 1400-1455°C (2550-2651°F) 25% 170 Bẹẹni
409 10.5-11.75% Kr 448 MPa (65 Ksi) 815˚C (1,499˚F) 1425-1510°C (2597-2750°F) 25% 180 Bẹẹni
414 11.5-13% Kr 500 MPa (73 Ksi) 650˚C (1202˚F) 1425-1510°C (2597-2750°F) 20% 250 Bẹẹni
429 14-16% Kr 450 MPa (65 Ksi) 815˚C (1,499˚F) 1425-1510°C (2597-2750°F) 25% 200 Bẹẹni
430 16-18% Kr 450 MPa (65 Ksi) 815˚C (1,499˚F) 1425-1510°C (2597-2750°F) 25% 200 Bẹẹni
434 16-18% Kr,1% Mo 540 MPa (78 Ksi) 815˚C (1,499˚F) 1426-1510°C (2600-2750°F) 25% 200 Bẹẹni
436 17% Kr、1.25% Mo 459 MPa (67 Ksi) 815˚C (1,499˚F) 1425-1510°C (2600-2750°F) 25% 200 Bẹẹni
442 18-23% Kr 515-550 MPa(77-80 Ksi) 925-980˚C (1,700/1,800˚F) 1065-1120°C (1950-2048˚F) 20% 250 Bẹẹni
444 17-20% Kr、1.8-2.5% Mo 415 MPa (60 Ksi) 950˚C (1,752˚F) 1405-1495°C (2561-2723°F) 25% 200 Bẹẹni
18/0 18% Kr, 0% Ni 450 MPa (65 ksi) 760°C (1400°F) 1425-1510°C (2597-2750°F) 30% 200 Bẹẹni
Martensitic
410 11.5-13.5% Kr、0.15% C 500-1400 MPa (73-203 Ksi) 650˚C (1202˚F) 1482-1532°C (2700-2790°F) 15% 250 Bẹẹni
410S 11.5-13.5% Kr、0.08% C 444 MPa (64 Ksi) 705˚C (1300˚F) 1482-1532°C (2700-2790°F) 20% 250 Bẹẹni
416 12-14% Kr、0.15-0.35% S 517 MPa (75 Ksi) 760˚C (1,400˚F) 1480-1530°C (2696-2786°F) 25% 250 Bẹẹni
420 12-14% Kr、0.15-0.45% C 586 MPa (85 Ksi) nigbati annealed 650˚C (1202˚F) 1454-1510°C (2649-2750°F) 20% 250 Bẹẹni
422 11.5-14% Kr、0.20-0.25% C 760 MPa (110 Ksi) 760˚C (1,400˚F) 1483°C (2700°F) 15% 250 Bẹẹni
431 15-17% Kr、1.25-2.5% Ni 500-1500 MPa (73-217 Ksi) 650˚C (1202˚F) 1482-1532°C (2700-2790°F) 20% 250 Bẹẹni
440 16-18% Kr、0.75-1.20% C 758 MPa (110 Ksi) 760˚C (1,400˚F) 1483°C (2700°F) 15% 250 Bẹẹni
Òjòjò
630 16-17% Kr、4-5% Ni、3-5% Ku 1103 MPa (160 Ksi) 316˚C (600˚F) 1404-1440°C (2560-2625°F) 15% 350 Bẹẹni

Išẹ ati Awọn ohun elo

  • Austenitic (300 jara): Nitori awọn oniwe-o tayọ ipata resistance ati formability, o jẹ lilo pupọ ni iṣelọpọ ounjẹ, egbogi ẹrọ, ati ayaworan ohun elo.
  • Ferritic (400 jara): Nigbagbogbo a yan fun imunadoko iye owo rẹ ni awọn agbegbe ibajẹ ti o kere si bii awọn eto eefi eefi.
  • Martensitic (400 jara): Apẹrẹ fun awọn ohun elo to nilo ga líle ati agbara, bi cutlery ati irinṣẹ.
  • Duplex (2205, 2304): Pipe fun awọn agbegbe eletan nibiti agbara mejeeji ati resistance ipata ṣe pataki, bi ninu epo ati gaasi ile ise.
  • Òjò Òjò (600 jara): Nfun ga agbara ati ipata resistance, ṣiṣe awọn ti o dara fun Aerospace ati egbogi awọn ohun elo.
Ile oloke meji Irin alagbara

Ile oloke meji Irin alagbara

Ifiwera Analysis

  • 304 vs. 316: Lakoko ti awọn mejeeji wapọ, 316 irin ti ko njepata pese dara resistance to pitting ati crevice ipata, paapaa ni awọn agbegbe kiloraidi.
  • 410 vs. 430: 410 nfunni ni agbara ti o ga julọ ati lile nigba itọju ooru, nigba ti 430 pese aabo ipata to dara julọ ni awọn agbegbe kan pato bi acid nitric.
  • 2205 vs. 316: 2205 irin alagbara ile oloke meji nfunni ni agbara ti o ga julọ ati resistance to dara julọ si gbigbona ipata wahala ti kiloraidi ju 316.

Kini Awọn Irin Alagbara ti o wọpọ julọ?

  • Iru 304: Irin alagbara ti o wọpọ julọ, ti a lo ni ọpọlọpọ awọn ohun elo nitori idiwọ ipata ti o dara julọ ati fọọmu ti o dara.
  • Iru 316: Mọ fun awọn oniwe superior ipata resistance, paapa ni awọn agbegbe kiloraidi, ṣiṣe awọn ti o apẹrẹ fun tona ati ounje processing ohun elo.
  • Iru 410: A ipilẹ martensitic ite, Nigbagbogbo a lo ninu awọn ohun elo to nilo iduroṣinṣin ipata iwọntunwọnsi ati agbara giga bii gige ati awọn abẹfẹlẹ tobaini.
304 Irin Alagbara fun Cook

304 Irin Alagbara fun Cook

Ipari

Yiyan iwọn ọtun ti irin alagbara, irin da lori awọn ibeere kan pato ti ohun elo naa, considering ifosiwewe bi ipata resistance, agbara, weldability, ati iye owo. Akopọ alaye yii ti awọn onipò irin alagbara ati jara yẹ ki o ṣe iranlọwọ ni ṣiṣe awọn ipinnu alaye fun ọpọlọpọ awọn ohun elo ile-iṣẹ ati iṣowo, aridaju iṣẹ ṣiṣe ti o dara julọ ati gigun ti awọn ohun elo ti a lo.

Fun isọdi siwaju sii tabi awọn ibeere ọja kan pato, Kikan si olutaja irin olokiki bii Ẹgbẹ SteelPRO tabi JCCasting le pese awọn solusan ti a ṣe deede lati pade awọn ibeere iṣẹ akanṣe alailẹgbẹ.

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