Abokan ciniki da yawa suna tambayar ko flanges ɗin da aka yi wa walda sun fi na jabun welded flanges. Yayin da ingancin flanges ɗin da aka yi wa walda ya yi daidai da ƙirƙira flanges ɗin welded, mafi raunin yanayin welded flanges shine ingancin kayansu. Yayin da yawan welded flanges ana ɗauka gabaɗaya yana da girma, ba a cika bincika ƙaƙƙarfan abu ba yayin samarwa. Saboda haka, ingancin welded flanges ba za a iya garanti bayan samarwa.
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