Ferrous HMS 1 ISRI Specification

200  No. 1 heavy melting steel.

Wrought iron and/or steel scrap 1/4 inch and over in thickness. Individual pieces not over 60 x 24 inches (charging box size) prepared in a manner to insure compact charging.

201  No. 1 heavy melting steel 3 feet x 18 inches.

Wrought iron and/or steel scrap 1/4 inch and over in thickness. Individual pieces not over 36 x 18 inches (charging box size) prepared in a manner to insure compact charging.

202  No. 1 heavy melting steel 5 feet x 18 inches.

Wrought iron and/or steel scrap 1/4 inch and over in thickness. Individual pieces not over 60 x 18 inches (charging box size) prepared in a manner to insure compact charging.