Hordhac kooban oo ah alaabooyinka birta
Macluumaadka birta
| Astaamaha | Heer |
| Cusban | 4140, 4130, A514, 4340 |
| Hab loo qabid | CNC Qaniinyada, Dhirta La'aanta, Xaashida Birta Birta |
| Dulqaad | Iyada oo la sawirayo: sida +/- 0.005 mm Sawir: ISO 2768 Dhexdhexaad |
| Codsiyada | XARUNTA IYO TAARIIKHDA ISKUULKA; Qulqulka qabyada ah, faasaska, baararka tortan |
| Xulashada xulashooyinka | Madoow oxide, enp, kontoroolka saxaafadda, qarashka saxaafadda, weelka nickel, dahaarka budada ah, power pareading, zinc plat |
Cusboonaysiinta birta birta ee la heli karo
| Cusban | Xoog wax soo saar | CONGONGATION EE GUURKA | Adkayn | Cucid |
| 1018 bir yar oo bir yar | 60,000 psi | 15% | Rockwell B90 | 7.87 G / ㎤ 0.284 LBS / CU. gudaha. |
| 4140 bir | 60,000 psi | 21% | Rockwell C15 | 7.87 G / ㎤ 0.284 LBS / CU. gudaha. |
| 1045 Starboon | 77,000 psi | 19% | Rockwell B90 | 7.87 G / ㎤ 0.284 LBS / CU. gudaha. |
| 4130 bir | 122,000 psi | 13% | Rockwell C20 | 7.87 G / ㎤ 0.284 LBS / CU. gudaha. |
| A514 bir | 100,000 psi | 18% | Rockwell C20 | 7.87 G / ㎤ 0.284 LBS / CU. gudaha. |
| 4340 bir | 122,000 psi | 13% | Rockwell C20 | 7.87 G / ㎤ 0.284 LBS / CU. gudaha. |
Macluumaadka guud ee birta
Birta, alerboon bir iyo kaarboon oo ay ka hortagto kaarboon-ka-baxa illaa 2 boqolkiiba (waxa ku jira kaarboon-ka-sare, maaddada waxaa lagu qeexaa sida bir ah oo kale). Ilaa iyo hada waxyaabaha ugu caansan ee loo adeegsado dhismaha kaabayaasha iyo warshadaha adduunka, waxaa loo isticmaalaa in wax walba laga been abuuro cashuurta booyadaha shidaalka. Intaas waxaa sii dheer, aaladaha loo baahan yahay in la dhiso loona soo saaro qodobbadaas waxaa sidoo kale laga sameeyay bir. Sida tilmaanta ahmiyadda ugu muhiimsan ee maaddadaas, sababaha ugu weyn ee caanka ah ee birta ayaa ah mid aad u yar oo samaynta birta ah, sameynta, iyo ka baaraandegida laba alaabood oo iniin ah (iyo xoqitaan) kala duwan ee guryaha farsamada.
