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Status : Active
Standard Type : Main
Document No : ISO 657-18:1980
Document Year : 1980
Pages : 4
Edition : 1
Section Volume : Steels for structural purposes (ISO/TC 17/SC 3.)
Gives the designation of L sections in an example and the dimensions and sectional properties in a figure and a table. Includes tolerances on height of web and width of flange, on web thickness, on flange thickness as well as the maximum permissible camber, the out-of-square, the tolerances on flatness and on length.