This should consist of HMS I/II in the ratio of 80% (HMS I) and 20% HMS II. The specifications for HMS I/II are given below for ready reference.

HMS I

HMS I offered should conform to following standards set by ISRI. ( download ISRI specifications circular)

ISRI 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 ensure compact charging.

ISRI 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 ensure compact charging.

ISRI 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 ensure compact charging.

HMS II

The HMS II offered to us must conform to following ISRI specifications

203 No. 2 heavy melting steel.

Wrought iron and steel scrap, black and galvanized, 1/8 inch and over in thickness, charging box size to include material not suitable as No. 1 heavy melting steel. Prepared in a manner to ensure compact charging.

204 No. 2 heavy melting steel.

Wrought iron and steel scrap, black and galvanized, maximum size 36 x 18 inches. May include all automobile  scrap properly prepared.

205 No. 2 heavy melting steel 3 feet x 18 inches.

Wrought iron and steel scrap, black and galvanized, maximum size 36 x 18 inches. May include automobile scrap, properly prepared; however, to be free of sheet iron or thin gauged material.

206 No. 2 heavy melting steel 5 feet x 18 inches.

Wrought iron and steel scrap, black and galvanized, maximum size 60 x 18 inches. May include automobile scrap, properly prepared; however, to be free of sheet iron or thin gauged material.