Waxaan soo saareynaa boqolaal qaabab gaar ah oo caado ah oo ka yimid qaabab gaar ah oo fudud ilaa qaabab aad u adag oo loogu talagalay warshado kala duwan iyo codsiyo leh darajooyin bir ah oo kala duwan.
Darajooyinka Birta Waxaanu Bixinay:
| Nooca Birta | GB | ASTM (SAE) | JIS |
| Birta Kaarboonka ee Daawaha Hoose | Q235, Q345, Q195,Q215 | A285MGr.B A570MGr.A | SS330 SS400 SS490 |
| Birta Kaarboon Tayada leh | 10, 20, 35, 40, 60, 20Mn, 25Mn, 35Mn, 40Mn | 1010, 1020, 1035, 1045, 1060, 1022, 1026, 1037, 1039 | S10C, S20C, S35C, S45C… |
| Alloy Structural Steel | 20Mn2, 40Mn2, 20Cr, 40Cr, 20CrMo, 20CrMnTi, 20Cr2Ni4, 40CrNiMo | 1320, 1345, 5120, 5140, 4118, 4135, 4140, 3316, 4340 | SMn420, SMn438, SCr420, Scr440, SCM430, SCM435, SCM440, SCN 815, SNCM439 |
| Birta Madaxa Qabow | ML10, ML20, ML30, ML35, ML35CrMo, ML42CrMo, ML15MnB | 1012, 1020, 1030, 1034, 4135, 4140, 1518 | SWRCH10R, SWRC20K, SWARCH35K, SNB7 |
| Birta Guga | 65Mn, 60Si2Mn, 50CrVA | 1066, 6150 | SCP6, SCP10 |
| Birta Xambaarsan | GCr15 | E52100 | SUJ2 |
| Bir daxal laheyn | 1Cr13, 2Cr13 | 412, 420 | SUS410, SUS 420 |
| Qalabka Birta | T8, T10, W6Mo5Cr4V2 | W1A-8, W1A-9.5, M2 | SK7, SK4, SKH9 |
| Bir la gooyn karo | Y12, Y12Pb, Y15, Y15Pb, Y40Mn | 1212, 11L08, 1215, 12L13, 12L14, 1141 | SUM21, SUM32, SUM22L, SUM42 |