Scrap Metal HMS1 & HMS2 (Heavy Melting Steel Scrap). It is the generic term for most types of heavy steel scrap, normally cut to a size not exceeding 1.5m x 0.5m. It may and will consist of cut lengths of pipe, re-bar, angles, steel poles, H or I beams, ships plate. HMS 1 is the term for heavier scrap which has a density of at least 0.7 tons per cubic meter, whereas HMS 2 would be lighter steel scrap such as thin wall tubing (eg bicycle frames), sheet scrap less than 3.2mm thick and so on. HMS 2 may contain galvanized and blackened steel whereas HMS 1 does not.

HMS1 and HMS2 are normally sold together with a ratio of 80/20 (or similar) depending on the price, heavy and light. HMS is the worldwide description used.

HMS 1 consists of heavy melting steel scrap containing no galvanized or blackened steel, and having a minimum thickness of 1/4 inch. Further categories include:

ISRI-200: Pieces no larger than 60 x 24 inches optimized for charging
ISRI-201: Pieces no larger than 36 x 18 inches optimized for charging
ISRI-202: Pieces no larger than 60 x 18 inches optimized for charging

HMS 2 consists of heavy melting steel scrap containing galvanized or blackened steel, having a minimum thickness of 1/8 inch. Further categories include:

ISRI-203: Pieces no larger than 60 x 24 inches optimized for charging
ISRI-204: Pieces no larger than 36 x 18 inches optimized for charging. May include automobile scrap
ISRI-205: Pieces no larger than 36 x 18 inches optimized for charging. May include automobile scrap, but must be free of sheet iron or thin gauge material
ISRI-206: Pieces no larger than 60 x 18 inches optimized for charging. May include automobile scrap, but must be free of sheet iron or thin gauge material