Wasu kuma suna dauke da Mo, CU, NB, TI, N da sauran abubuwan Allight. Idan aka kwatanta da ferrite, yana da mafi girma filastik da kuma tauri, babu ɗakunan zazzabi, kuma kiyaye 475 ¡Activalular Corroveness, babban aiki da kuma kula da bakin ciki na ferritic bakin ciki. Idan aka kwatanta da baƙin ƙarfe bakin karfe, ƙarfinsa ya inganta sosai, kuma juriya gajasa, rauni gajiya da farare.
Rubuta "bututu mara kyau
Bututu mara kyau
Welded bututu
Welded bututu
Saw Lsaw Erw Efw
Ya kasance ƙarshen, bayyane "
Girma "Od: 1 \ / \ / 2" ~ 48 "
Kauri: Sch5 ~ Schxxs
Tsawon: kamar yadda kake bukata. "