VaAlloy Sthels vane huwandu hwezvinhu zvekupa zvinhu zvekunakidzwa Misiyano ndeye yunifomu, asi nekuda kwekusiyanisa, vese vairamba vachipfuura ne8% nehuremu, kwete kabhoni uye madhiri, anoonekwa seakakwirira-alloy simbi. Alloy Simbi yakaomesesa, inosimba zvakanyanya, uye inowedzera kuramba kuora. Alloy inhamba ine mwero kune yakakwira kabhoni zvemukati zvinonetsa kuti weld. Nekudaro, kana iyo kabhoni yezvinyorwa yakaderedzwa kusvika ku1% kusvika ku3%, iyi simbi iyi inogona kuwana yakakwira kuumbwa uye weldallity, nekudaro nekuwedzera simba.