Heerka Saxanka Kaarboonka Birta Sare
| ASTM A283/A283M | ASTM A573/A573M | ASME SA36/SA36M |
| ASME SA283/SA283M | ASME SA573/SA573M | EN10025-2 |
| EN10025-3 | EN10025-4 | EN10025-6 |
| JIS G3106 | DIN 17100 | DIN 17102 |
| GB/T16270 | GB/T700 | GB/T1591 |
Tusaale ahaan u qaado Codsiyada A36
Codsiga ASTM A36 Kaarboonka Dhismaha Saxanka Birta
| Qaybaha Mashiinka | Qaababka | Qalabka | Taarikada sita | Taangiyada | Qashinnada | Taarikada sita | Farshaxanno |
| Saxannada Saldhigga ah | Geesaska | Cams-ka | Biraha yaryar (sprockets) | Jigs | Faraantiyo | Qaabab | Qalabka |
| Xulashooyinka Sameynta Saxanka Birta ah ee ASTM A36 | |||||||
| Laabista Qabow | Samaynta Kulul oo Fudud | Feer | Makiinadaha | Alxanka | Laabista Qabow | Samaynta Kulul oo Fudud | Feer |
Halabuurka Kiimikada ee A36
| ASTM A36 Saxanka Birta ee Kulul ee La Duubay | Isku-darka Kiimikada | |
| Walax | waxa ku jira | |
| Kaarboon, C | 0.25 - 0.290% | |
| Naxaas, Cu | 0.20% | |
| Bir, Fe | 98.0% | |
| Manganese, Mn | 1.03% | |
| Fosfooras, P | 0.040% | |
| Silikoon, Si | 0.280% | |
| Salfar, S | 0.050% | |
Hantida Jireed ee A36
| Hantida Jirka | Metrik | Imperial |
| Cufnaanta | 7.85 g/cm3 | 0.284 lb/in3 |
Hantida Farsamada ee A36
| ASTM A36 Saxanka Birta ee Duuban ee Kulul | ||
| Sifooyinka Farsamada | Metrik | Imperial |
| Xoogga Garaacista, Ugu Dambeyn | 400 - 550 MPa | 58000 - 79800 psi |
| Xoogga Taagista, Wax-soo-saarka | 250 MPa | 36300 psi |
| Dheeraynta marka la nasto (200 mm) | 20.0% | 20.0% |
| Kordhinta marka la nasto (50 mm) | 23.0% | 23.0% |
| Modulus of Lalabnimo | 200 GPA | 29000 ksi |
| Modulus badan (sida caadiga ah ee birta) | 140 GPA | 20300 ksi |
| Saamiga Poissons | 0.260 | 0.260 |
| Modulus-ka Shear | 79.3 GPA | 11500 ksi |
Birta kaarboonku waa bir isku-dhafan oo ka kooban bir iyo kaarboon. Dhowr walxood oo kale ayaa loo oggol yahay birta kaarboonka, iyadoo leh boqolkiiba ugu sarreeya oo hooseeya. Curiyayaashan waa manganese, oo leh ugu badnaan 1.65%, silicon, oo leh ugu badnaan 0.60%, iyo naxaas, oo leh ugu badnaan 0.60%. Curiyayaasha kale waxay ku jiri karaan tiro aad u yar oo aan saameyn ku yeelan karin sifooyinkeeda.
Waxaa jira afar nooc oo bir ah oo kaarboon ah
Iyada oo ku saleysan xaddiga kaarboonka ee ku jira birta isku-xidhka. Biraha kaarboonka ee hooseeya waa kuwo jilicsan oo si fudud loo samayn karo, birta leh kaarboonka sarena way adag tahay oo way ka xoog badan tahay, laakiin way ka yar tahay ductile, waxayna noqdaan kuwo aad u adag in la mariyo oo la alxamo. Hoos waxaa ku yaal sifooyinka darajooyinka birta kaarboonka ee aan bixinno:
● Bir Kaarboon Yar - Ka kooban 0.05%-0.25% kaarboon iyo ilaa 0.4% manganese. Sidoo kale loo yaqaan birta khafiifka ah, waa walax qiimo jaban oo si fudud loo qaabayn karo. In kasta oo aanay u adkayn sida birta kaarboon sare leh, haddana baabuurka oo la shito ayaa kordhin kara adkaantiisa dusha sare.
● Bir Kaarboon Dhexdhexaad ah - Halabuurka 0.29%-0.54% kaarboon, oo leh 0.60%-1.65% manganese. Birta kaarboon dhexdhexaad ah waa mid adag oo xoog leh, oo leh sifooyin cimri dheer.
● Bir Kaarboon Sare leh – Halabuurka 0.55%-0.95% kaarboon, oo leh 0.30%-0.90% manganese. Aad ayuu u xoog badan yahay wuxuuna si fiican u ilaaliyaa xusuusta qaabka, taasoo ka dhigaysa mid ku habboon ilo-biyoodka iyo siligga.
● Bir Kaarboon Aad u Sareysa - Halabuurka 0.96%-2.1% kaarboon. Kaarboonkeeda sare wuxuu ka dhigayaa walax aad u xoog badan. Sababtoo ah jilicsanaanteeda, heerkani wuxuu u baahan yahay maareyn gaar ah.
Sawir faahfaahsan
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