Ko te Q235 me te SS400 he maitai hanganga waro e whakamahia whānuitia ana, e kiia ana he rite tonu te mahi, engari i ahu mai i ngā paerewa ā-motu rerekē, ā, he iti noa ngā rerekētanga o te hanganga matū me ngā āhuatanga miihini. Ko te Q235 e tautuhia ana i raro i te paerewa GB/T 700 o Haina, ko te SS400 ia kei raro i te paerewa JIS G3101 o Hapani. Ahakoa ō rāua takenga mai rerekē, he maha tonu te whakamahinga i roto i ngā tono hanganga rite pērā i ngā piriti, ngā whare, me ngā wāhanga mīhini.