AISI 8620 Steel

Alloy Steel 8620, zvakare inotengeswa seAISI 8620, yakaoma, carburizing, yakaderera alloy simbi. Iyi alloy inopa vashandisi kuchinjika kwakasarudzika, kupfeka kuramba, pamwe nekureruka kweweldability kuburikidza neyakajairwa nzira.

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Product sumo Technical data

Product sumo

AISI 8620 Steelis a low alloy nickel, chromium, molybdenum case harding steel steel, inowanzo pihwa in the as rolled condition ine hurema hwepamusoro max HB 255. Inowanzo kupihwa mu8620 round bar.

Inochinjika panguva yekuomesa marapirwo, nekudaro ichigonesa kuvandudzwa kwekesi/core properties. Pre kuomeswa uye kushatirwa (isina kuputirwa) 8620 inogona kuenderera mberi nekuomeswa ne nitriding. Nekudaro, haizopindure zvinogutsa kune murazvo kana induction kuomeswa nekuda kwekuderera kwayo kabhoni.

Simbi 8620 yakakodzera maapplication anoda musanganiswa wekusimba uye kusapfeka.

Isu tinopa AISI 8620 round bar mune inopisa yakakungurutswa / Q+T / yakajairwa mamiriro. Inowanikwa dhayamita kubva 20mm kusvika 300mm yekukasira kutumira.

1. AISI 8620 Steel Supply Range

8620 Round Bar: dhayamita 8mm - 3000mm
8620 Steel Plate: ukobvu 10mm - 1500mm x hupamhi 200mm - 3000mm
8620 Square Bar: 20mm - 500mm
8620 machubhu anowanikwawo achipesana nechikumbiro chako chakadzama.
Surface Pedzisa: Dema, Rough Machined, Yakatendeuka kana sezvinodiwa zvakapihwa.

Technical data

2. SAE 8620 Steel Specification uye Relevant Standards

Nyika	USA	DIN	BS	BS	Japani
Standard	ASTM A29	DIN 1654	EN 10084	BS 970	JIS G4103
MaGrades	8620	1.6523/ 21NiCrMo2	1.6523/ 20NiCrMo2-2	805M20	SNCM220

3. ASTM 8620 Steels & Equilvalents Chemical Composition

Standard	Giredhi	C	Mn	P	S	Si	Ni	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
DIN 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
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
JIS G4103	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
BS 970	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 Steel Mechanical Properties

8620 Zvinhu:

Density (lb / cu. in.) 0.283
Chaiyo Gravity 7.8
Chaicho Kupisa (Btu/lb/Deg F – [32-212 Deg F]) 0.1
Melting Point (Deg F) 2600
Thermal Conductivity 26
Zvinoreva Coeff Thermal Kuwedzera 6.6
Modulus yeElasticity Tension 31

8620 Simbi Mechanical Properties

Properties	Metric	Imperial
Kusimba simba	530 MPa	76900 psi
Goho simba	385 MPa	55800 psi
Elastic modulus	190-210 GPA	27557-30458 ksi
Bulk modulus (yakajairika yesimbi)	140 GPA	20300 ksi
Shear modulus (yakajairika yesimbi)	80 GPA	11600 ksi
Chiyero chePoisson	0.27-0.30	0.27-0.30
Izod Impact	115 J	84.8 ft.lb
Kuoma, Brinell	149	149
Kuoma, Knoop (yakashandurwa kubva kuBrinell kuoma)	169	169
Kuoma, Rockwell B (yakashandurwa kubva kuBrinell kuoma)	80	80
Kuoma, Vickers (yakashandurwa kubva kuBrinell kuoma)	155	155
Machinability (inopisa yakakungurutswa uye inotonhora inodhonzwa, yakavakirwa pazana machinability yeAISI 1212 simbi)	65	65

5. Kugadzirwa kwezvinhu 8620 Steel

AISI 8620 alloy simbi inogadzirwa patembiricha yekutanga inosvika 2250ºF (1230ºC) zvichidzika kusvika 1700ºF (925ºC.) isati yaoma kupisa kurapwa kana carburizing. Iyo alloy imhepo yakatonhodzwa mushure mekugadzira.

6. ASTM 8620 Steel Heat Treatment

Annealing

AISI 8620 simbi inogona kupihwa yakazara anneal nekupisa kusvika 820 ℃ - 850 ℃, uye ibatisise kusvika tembiricha yafanana muchikamu chose uye inotonhorera muchoto kana mweya watonhodzwa.

Tempering

Kupisa kwekupisa kwakagadziriswa uye mvura yakadzimwa zvikamu zve8620 steels (kwete carburized) inoitwa pa400 F kusvika 1300 F kuvandudza kuomarara kwekesi ine zvishoma mhedzisiro pakuoma kwayo. Izvi zvichaderedzawo mukana wekukuya mitswe.

Kuomesa

Iyo AISI simbi 8620 ichave austenitized pakutenderedza 840 ° C - 870 ° C, uye mafuta kana mvura inodzimwa zvichienderana nechikamu chekukura uye kuoma. Kutonhorera muMhepo kana Mafuta kunodiwa.

Normalizing

1675ºF (910ºC) uye mhepo inotonhorera. Iyi ndiyo imwe nzira yekuvandudza machinability mu8620 zvinhu; normalizing inogona zvakare kushandiswa pamberi pekuomesa nyaya.

7. Machinability yeSAE 8620 Steel

Iyo 8620 alloy simbi inogadzirwa nyore nyore mushure mekupisa kupisa uye / kana carburizing, inofanira kunge iri padiki kuitira kuti irege kukanganisa iyo yakaoma kesi yechikamu. Machining anogona kuitwa nenzira dzakajairwa pamberi pekupisa kupisa - mushure mekugadzira carburizing machining kazhinji inongogumira pakukuya.

8. Welding ye8620 Materials

Iyo alloy 8620 inogona kuve yakakwenenzverwa seyakatenderedzwa nemaitiro akajairwa, kazhinji gasi kana arc welding. Preheating pa400 F kunobatsira uye kunotevera kupisa mushure mekuputira kunokurudzirwa - bvunza iyo yakatenderwa weld maitiro eiyo nzira inoshandiswa. Nekudaro, welding mune iyo kesi yakaomeswa kana kuburikidza neyakaomeswa mamiriro haakurudzirwe

9. Kushandiswa kweASTM 8620 Steel

AISI 8620 simbi yesimbi inoshandiswa zvakanyanya nese indasitiri zvikamu zvechiedza kusvika pakati zvakasimbiswa zvikamu uye shaft inoda yakakwirira pamusoro pekupfeka kusaga ine zvine musoro kusimba uye kukanganiswa zvivakwa.

Mashandisirwo akajairika aya: Arbors, Bearings, Bushings, Cam Shafts, Differential Pinion, Guide Pin, King Pins, Pistons Pins, Giya, Splined Shafts, Ratchets, Sleeves nemamwe maapplication apo zvinobatsira kuve nesimbi inokwanisa kugadzirwa zviri nyore uye carburized to controlled case deep.