E masani ona faʻaaogaina mea paipa uelo: Q235A, Q235C, Q235B, 16Mn, 20 #, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00Cr19Cr11, 00Cr19Ni18, 00Cr19Ni18, 00Cr19Ni18, etc
O le pili o loʻo faʻaaogaina mo le uʻamea o paipa o le uʻamea uʻamea poʻo le uʻamea uʻamea, lea e vaevaeina i le ogaumu uelo paipa, uʻamea eletise (resistance welding) paipa ma otometi arc uelo paipa ona o lona faagasologa eseese.Ona o ona ituaiga uelo eseese ua vaevaeina i le su'isu'i sa'o paipa uelo ma spiral paipa uelo lua ituaiga.Ona o le foliga o lona pito, ua vaevaeina i paipa uelo lapotopoto ma faʻapitoa-foliga (sikuea, mafolafola, ma isi) paipa uelo.