Sumul: wanda aka soke, jajayen, annealed (tsarin kewayawa da yawa)
Welded: dogon welded, ja jajayen, annealed (multi-pass wurare dabam dabam)
Shiryawa: Tubing matakin rauni ne wanda aka naɗe a kan ganguna na ƙarfe / katako ko spools.
Duk ganguna ko spools an cika su a cikin akwatunan katako don sauƙin sarrafa kayan aiki.