Nkọwa nke eriri igwe na-eme ihe mgbochi igwe oyi:
1) Ọkwa: Nri carbon nkịtị:
Q195, Q235 SPCC, SPCD, SPCE, DC01-06, St12, wdg.
Carbon structural steel emelitere: 10F, 20#, 45#, 50#, 65#, 75#, 65Mn,
50CrVA, 60Si2Mn, 62Si2Mn, Sup6, SK5, SK7, T8, T10, GCr15, wdg.
2) Ọkpụrụkpụ: 0.10mm - 0.2mm
3) Obosara: 10mm na max1000mm
4) eriri igwe ID: 250mm / 400mm / 508mm ma ọ bụ kwa ahịa arịrịọ