AISI 8620 Chitsulo

Alloy Steel 8620, yomwe imagulitsidwanso ngati AISI 8620, ndi cholimba, chosungira, chotsika kwambiri. Aloyi iyi imapatsa ogwiritsa ntchito kusinthasintha kwapadera, kukana kuvala, komanso kumasuka kwa weldability kudzera munjira wamba.

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Gnee zitsulo, zitsulo zoperekedwa kuchokera kumwamba kupita kunyanja zilipo, padziko lonse lapansi;

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Chiyambi cha malonda Deta yaukadaulo

Chiyambi cha malonda

AISI 8620 Chitsulondi aloyi faifi tambala, chromium, molybdenum kesi kuumitsa chitsulo, kawirikawiri amaperekedwa mu chikhalidwe ngati atakulungidwa ndi pazipita kuuma max HB 255. Nthawi zambiri amaperekedwa mu 8620 round bar.

Imasinthasintha panthawi yamankhwala owumitsa, motero kumathandizira kusintha kwa /core properties. Pre oumitsidwa ndi kupsya mtima (wosasunthika) 8620 akhoza kuwonjezeredwa pamwamba ndi nitriding. Komabe, sichingayankhe mokhutiritsa ndi moto kapena kuumitsa kwa induction chifukwa chokhala ndi mpweya wochepa.

Chitsulo 8620 ndichoyenera kumapulogalamu omwe amafunikira kuphatikiza kulimba komanso kukana kuvala.

Timapereka bar ya AISI 8620 yozungulira yotentha / Q+T / chikhalidwe chokhazikika. Akupezeka awiri kuchokera 20mm kuti 300mm kuti kutumiza yomweyo.

1. AISI 8620 Steel Supply Range

8620 Round Bar: awiri 8mm - 3000mm
8620 Zitsulo mbale: makulidwe 10mm - 1500mm x m'lifupi 200mm - 3000mm
8620 Square Bar: 20mm - 500mm
8620 machubu amapezekanso motsutsana ndi pempho lanu latsatanetsatane.
Pamapeto Pamwamba: Wakuda, Wopanga Makina, Otembenuzidwa kapena malinga ndi zofunikira.

Deta yaukadaulo

2. Kufotokozera kwazitsulo za SAE 8620 ndi Miyezo Yoyenera

Dziko	USA	DIN	BS	BS	Japan
Standard	ASTM A29	Mtengo wa 1654	Mtengo wa EN 10084	Chithunzi cha BS970	Chithunzi cha JIS G4103
Maphunziro	8620	1.6523/ 21NiCrMo2	1.6523/ 20NiCrMo2-2	805M20	Chithunzi cha SNCM220

3. ASTM 8620 Zitsulo & Equilvalents Chemical Composition

Standard	Gulu	C	Mn	P	S	Si	Ndi	Cr	Mo
ASTM A29	8620	0.18-0.23	0.7-0.9	0.035	0.040	0.15-0.35	0.4-0.7	0.4-0.6	0.15-0.25
Mtengo wa 1654	1.6523/ 21NiCrMo2	0.17-0.23	0.65-0.95	0.035	0.035	≦0.40	0.4-0.7	0.4-0.7	0.15-0.25
Mtengo wa EN 10084	1.6523/ 20NiCrMo2-2	0.17-0.23	0.65-0.95	0.025	0.035	≦0.40	0.4-0.7	0.35-0.70	0.15-0.25
Chithunzi cha JIS G4103	Chithunzi cha SNCM220	0.17-0.23	0.6-0.9	0.030	0.030	0.15-0.35	0.4-0.7	0.4-0.65	0.15-0.3
Chithunzi cha BS970	805M20	0.17-0.23	0.6-0.95	0.040	0.050	0.1-0.4	0.35-0.75	0.35-0.65	0.15-0.25

4. AISI 8620 Zida Zachitsulo Zachitsulo

8620 Zakuthupi:

Kachulukidwe (lb / cu. in.) 0.283
Specific Gravity 7.8
Kutentha Kwapadera (Btu/lb/Deg F – [32-212 Deg F]) 0.1
Malo osungunuka (Deg F) 2600
Thermal Conductivity 26
Kukula kwa Coeff Thermal 6.6
Modulus of Elasticity Tension 31

8620 Chitsulo Mechanical Properties

Katundu	Metric	Imperial
Kulimba kwamakokedwe	530 MPa	Mtengo wa 76900
Zokolola mphamvu	385 MPa	Mtengo wa 55800
Elastic moduli	190-210 GPA	27557-30458 ksi
Bulk modulus (yofanana ndi chitsulo)	140 GPA	20300 kodi
Shear modulus (yofanana ndi chitsulo)	80 gpa	Mtengo wa 11600
Chiwerengero cha Poisson	0.27-0.30	0.27-0.30
Izod Impact	115 J	84.8 ft.lb
Kuuma, Brinell	149	149
Kuuma, Knoop (kutembenuzidwa kuchokera ku Brinell hardness)	169	169
Kuuma, Rockwell B (wotembenuzidwa kuchokera ku Brinell hardness)	80	80
Kuuma, Vickers (otembenuzidwa kuchokera ku Brinell hardness)	155	155
Machinability (kutentha kotentha komanso kozizira, kutengera machinability 100 a AISI 1212 chitsulo)	65	65

5. Kupanga Zinthu 8620 Zitsulo

AISI 8620 alloy zitsulo amapangidwa poyambira kutentha kwa 2250ºF (1230ºC) mpaka pafupifupi 1700ºF (925ºC.) isanaumitse kutentha mankhwala kapena carburizing. The alloy ndi mpweya utakhazikika pambuyo forging.

6. ASTM 8620 Steel Heat Chithandizo

Annealing

Chitsulo cha AISI 8620 chikhoza kupatsidwa anneal yathunthu ndi kutentha kwa 820 ℃ - 850 ℃, ndikugwira mpaka kutentha kukhale kofanana ndi gawo lonse ndikuzizira mu ng'anjo kapena mpweya utakhazikika.

Kutentha

Kutentha kwa kutentha ndi madzi kuzimitsa mbali 8620 zitsulo (osati carburized) kumachitika pa 400 F mpaka 1300 F kupititsa patsogolo kulimba kwa milandu ndi zotsatira zochepa pa kuuma kwake. Izi zidzachepetsanso kuthekera kwa kugaya ming'alu.

Kuwumitsa

Chitsulo cha AISI 8620 chidzatsimikiziridwa mozungulira 840 ° C - 870 ° C, ndi mafuta kapena madzi azimitsidwa kutengera kukula kwa gawo ndi zovuta. Kuzizira mu Mpweya kapena Mafuta kumafunika.

Normalizing

1675ºF (910ºC) ndi mpweya wozizira. Iyi ndi njira ina yowonjezera machinability muzinthu za 8620; normalizing itha kugwiritsidwanso ntchito musanayambe kuumitsa.

7. Kuthekera kwa SAE 8620 Steel

Chitsulo cha alloy 8620 chimapangidwa mosavuta pambuyo pa chithandizo cha kutentha ndi / kapena carburizing, chiyenera kukhala chochepa kuti zisawononge vuto lolimba la gawolo. Machining akhoza kuchitidwa ndi njira wamba musanayambe kutentha kutentha - pambuyo carburizing Machining nthawi zambiri amangopeka.

8. Kuwotcherera kwa Zida za 8620

The aloyi 8620 akhoza welded monga chikhalidwe adagulung'undisa ndi njira ochiritsira, kawirikawiri mpweya kapena arc kuwotcherera. Kutenthetsa pa 400 F ndikopindulitsa ndipo kutenthetsa kotsatira pambuyo pa kuwotcherera kumalimbikitsidwa - funsani njira yovomerezeka yowotcherera ya njira yomwe imagwiritsidwa ntchito. Komabe, kuwotcherera pamlandu wowumitsidwa kapena kudzera muzowuma sikuvomerezeka

9. Kugwiritsa ntchito ASTM 8620 Steel

Chitsulo cha AISI 8620 chimagwiritsidwa ntchito kwambiri m'magawo onse am'mafakitale kuti apange zinthu zopepuka mpaka zapakatikati ndi ma shafts omwe amafunikira kukana kuvala pamwamba ndi mphamvu zoyambira komanso mphamvu zake.

Ntchito zodziwika bwino ndi: Arbors, Bearings, Bushings, Cam Shafts, Differential pinions, Guide pin, King pin, Pistons pin, Gears, Splined Shafts, Ratchets, Sleeves ndi ntchito zina zomwe zimakhala zothandiza kukhala ndi chitsulo chomwe chimatha kupangidwa mosavuta komanso carburized to controlled case kuya.

Zogwirizana nazo