
Dimensions, mass and permissible variations of hot rolled steel sections
出版:Japanese Standards Association

专家解读视频
This Standard specifies the dimensions, mass and their tolerances of hot rolled steel sections as well as the appearance, shapes and permissible variations thereof.
ISO 657-13:1981 - Equivalent
ISO 657-5:1976 - Identical
ISO 657-21:1983 - Identical
ISO 657-2:1989 - Identical
ISO 657-19:1980 - Identical
ISO 657-18:1980 - Identical
ISO 657-16:1980 - Identical
ISO 657-15:1980 - Identical
ISO 657-11:1980 - Identical
ISO 657-1:1989 - Identical