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CHEMICAL COMPOSITION
C | 0.54 – 0.82 |
Si | 0.18 – 0.40 |
Mn | 0.60 – 1.05 |
S | 0.04 max |
P | 0.035 max |
As | 0.01 max of Mass share |
Norms | R-50 GOST-7173-75 and R-65 GOST-8165-75 |
R50 (51.67 KG/M) | GOST 7173-75 |
R65 (64.72 KG/M) | GOST 8165-75 |
HMS 1 – ISRI Code 200: heavy melting steel. Wrought iron and/or Steel scrap ¼ inch or steel scrap ¼ inch and over in thickness. Individual pieces not over 60 x 24 inches
HMS 1 – ISRI Code 201: heavy melting steel 3 feet x 18 inches. Wrought iron or steel scrap ¼
HMS 1 – ISRI Code 202: heavy melting steel 5 feet x 18 inches. Wrought iron or steel scrap ¼
HMS 2 – ISRI Code 203: heavy melting steel. Wrought iron or 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.
HMS 2 – ISRI Code 204: same as ISRI 203 but max size 36×18 inches.
HMS 2 – ISRI Code 205: same as ISRI 204 but free of sheet iron or thin-gauged material.HMS 2 – ISRI Code 206: same as ISRI 204, but max size 60 x 18 inches