This article was originally published with the title “ The Chemial Composition of Tool Steel ” in SA Supplements Vol. 63 No. 1633supp (April 1907), p. 26162 doi:10.1038 ...

Structural Steel Composition. The following is the composition of two well-known grades of structural steel: ASTM 572 and ASTM A36. While other structural steel grades possess analogous compositions, ...