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PASLANMAZ ÇELİK NORMLARI

AISI (AMERICAN IRON AND STEEL INSTITUTE): ABD

EN (EUROPEAN NORMS): AVRUPA

DIN (DEUTSCHES INSTITUT FUR NORMUNG): ALMANYA

AFNOR (ASSOCIATION FRANCAISE DE NORMALISATION): FRANSA

BSI (BRITISH STANDARDS INSTITUTION): İNGİLTERE

JIS (JAPANESE INDUSTRIAL STANDARDS): JAPONYA

UNI (ENTE NAZIONALE ITALIANO DI UNIFICAZIONE): İTALYA

GOST (GOSUDARSTVENNYY STANDART): RUSYA