Used rail scrap r-65 with following specification:-
1 c:0, 54-0, 82 2 si:0, 18-0, 40
3 mn:0, 60-1, 05 4 s:0.04 max
5 p:0, 035 max 6 as:0, 01 max of mass share
Specifications of used rail scrap ( r-45 to r-65):
Chemical specifications for scrap railway track metal:
-1. Caduim cd :0.0006%
2. Chromium cr :0.6205%
3. Copper cu :0.2507%
4. Cobalt co :0.0046%
5. Lead pb :0.0149%
6. Molybdenum mo :0.003%
7. Nickel ni :0.141%
8. Tin sn :0.001%
9. Silver ag :0.0005%
10. Zinc zn :0.349%
11. Iron fe :75.21%
12. Carbon :0.04 % (maximum) rejection at 0.06%
Impurities :23.33% (calculation) total 76.668%
The following traces of elements should be avoided & should not be there:.
Carbon :0.65 - 0.75% (in the railway track)
Manganese :0.65 - 0.80%
Sulphur :0.06% max.
Phosphorus :0.035%
Ash :0.01 max mass share
HMS1&2 (80:20) and HMS1 (100%)
Steel scraps shall be considered free of alloys when the residual alloying elements do not exceed the following percentages: percent
Nickel 0.45
Chromium 0.20
Molybdenum 0.10
Manganese 1.65
The combined residuals other than manganese shall not exceed a total of 0.60 percent.
ISRI-CODES:
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 inches 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 inches x 18 inches (charging box size) prepared in a manner to insure compact charging.
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 insure 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.
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40%Ti4%B,75%, 80%Ti
50~1330g
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Type:AlTi5B1(piece,wire)
It is applicable to fusion casting of deformed aluminium alloy, especially 3003, 6063 alloy and pure aluminium.It shall be put in by separating aluminium slag, which must be mixed evenly. Apply to the grain-refining of pure aluminum or aluminum alloys in the course of smelting.
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