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Letters and numbers naming composition and strength.
Also known as: Steel designation, Material grade
A steel grade names composition and properties in a coded string. European and American systems use entirely different codes for the same material, so a specification written in one and read in the other is a substitution rather than a translation.
Names a steel's composition and mechanical properties in a coded designation.
Contexts: Technical drawing
Uses incompatible codes between the European and American systems, so cross-referencing a grade is a substitution decision rather than a lookup.
Contexts: Technical drawing
A string of capital letters and numerals stamped on a bar end or printed on a mill certificate.