ArcelorMittal Dofasco Scrap Specifications and Requirements
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1 ArcelorMittal Dofasco Scrap Specifications and Requirements Revision date: January 2017
2 Table of Contents Type of Scrap: Auto Cast (Brake Rotors and Drums)... 2 Type of Scrap: Bushelling... 4 Type of Scrap: Bushelling - Shredded... 6 Type of Scrap: Cold Iron (High Sulphur); Cold Iron (Low Sulphur)... 8 Type of Scrap: Customer Scrap Type of Scrap: Dealer Bundles (#1.5) Type of Scrap: No.1 Heavy Melt Type of Scrap: Hot Briquetted Borings (HBB) Type of Scrap: Industrial Bundles Type of Scrap: Pit Scrap Type of Scrap: Plate and Structural Type of Scrap: Post-Consumer Steel Can Bundles Type of Scrap: Rail Wheels and Cut Rail Type of Scrap: Shredded Scrap Type of Scrap: Turnings - Briquetted Type of Scrap: Turnings - Loose Appendix A: Instructions for Displacement Tests for Determining the Metallic Content of Reclaimed Steel Scrap NOTE: Fe Yield in Use (%) = Tapped Steel Weight/Charge Material Weight 1
3 Type of Scrap: Auto Cast (Brake Rotors and Drums) Material Description: Exclusively include cast iron brake rotors and drums. Sizing: Not to exceed 2 in any direction Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Electrical Components - Torque Converters and Exhaust Manifolds - Machine Castings and Engine Blocks Chemistry: Minimum Fe Yield in Use: 87% Cu P S 0.20 Max Max 0.15 Max 2
4 Type of Scrap: Auto Cast (Brake Rotors and Drums) Example of acceptable material: 3
5 Type of Scrap: Bushelling Material Description: Clean, prompt, alloy free industrial sheet steel scrap, clips and punching s. May include galvanized steel scrap. Material must not be stringy, tangled, bunched, or form a bird s nest. Up to 5% tubing allowed (based on volume, not weight of load). Must not be concentrated in one section of load. Sizing: 5 Spec: 60 x 24 Max; 3/8 thick Max 3 Spec: 36 x 24 Max; 1/2 thick Max 1 Spec: 12 x 12 Max; 1/2 thick Max Minimum Thickness: 1/8 Density: 5 Spec: 40 lbs/ft 3 Min 3 Spec: 60 lbs/ft 3 Min 1 Spec: 100 lbs/ft 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Obsolete scrap of any kind - Painted material - Fencing - Floor Grating - Copper coated material; tin bearing scrap - Slitter Coils, Mandrel Coils Chemistry: Minimum Fe Yield in Use: 90% Cu P Pb S 0.12 Max 0.03 Max Max 0.03 Max 4
6 Type of Scrap: Bushelling Example of acceptable material: 5
7 Type of Scrap: Bushelling - Shredded Material Description: Clean, prompt, alloy free industrial sheet steel scrap, clips and punching s. May include galvanized steel scrap. Product must be magnetically separated, fragmentized clean product. Sizing: 6 Max Density: 70 lbs/ft 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Obsolete scrap of any kind - Painted material - Fencing - Copper coated material; tin bearing scrap Chemistry: Minimum Fe Yield in Use: 90% Cu P Pb S 0.12 Max 0.03 Max Max 0.03 Max 6
8 Type of Scrap: Bushelling - Shredded Example of acceptable material: 7
9 Type of Scrap: Cold Iron (High Sulphur); Cold Iron (Low Sulphur) Material Description: Cold Iron generated from an identifiable source which is processed to the specified physical requirements. AM Dofasco requires supplier to develop and submit a quality control program that will be adhered to when supplying Cold Iron. Quality program to include at minimum: identification of source of material, chemical testing results for material. Sizing: 18 x 18 x 6 Max 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Slag and/or Fines Chemistry: Minimum Fe Yield in Use: 80% High Sulphur Low Sulphur C 4.5 Max 4.5 Max P 0.04 Max 0.04 Max Pb Max Max S 0.08 Max 0.04 Max 8
10 Type of Scrap: Cold Iron (High Sulphur); Cold Iron (Low Sulphur) Example of acceptable material: 9
11 Type of Scrap: Customer Scrap Material Description: Slitter coils, Mandrel Coils and Tube scrap generated from the manufacturing sector. To ensure coil stays intact and to prevent unraveling, Slitter coils and Mandrel coils are to be secured with a minimum of: 1 iron band around O.D. of coil; 3 iron bands through eye of coil, separated evenly and must be secure and not move once affixed. Tube scrap and Slitter coils / Mandrel coils are to be delivered as exclusively that material type only. Supplier must schedule each load on day shift only with AMD scrap handling prior to delivery. Sizing: Tube Scrap: 5 max length Max Coil weight: 4,000 lbs Max Coil height: 42 ; Max Coil width: 24 Density: 40 lb/ft 3 min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Obsolete scrap of any kind - Painted material Chemistry: Minimum Fe Yield in Use: 90% Cu P Pb S 0.12 Max 0.03 Max Max 0.03 Max 10
12 Type of Scrap: Customer Scrap Example of acceptable material: 11
13 Type of Scrap: Dealer Bundles (#1.5) Material Description: New and old steel sheet scrap, clippings, steel racking, skeleton plate hydraulically compressed into a bundle. Galvanize steel scrap, tube and pipe is acceptable. Up to 10% Rebar allowed (based on volume, not weight of load). Must not be concentrated in one section of load. Bundle must maintain its form when handled multiple times. Sizing: 36 x 36 x 36 Max Density: 90 lb/ft 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Copper coated material; Tin bearing scrap - Excessive painted material - Coated fencing Chemistry: Minimum Fe Yield in Use: 86% Cu P Pb S 0.25 Max 0.05 Max 0.02 Max 0.05 Max 12
14 Type of Scrap: Dealer Bundles (#1.5) Example of acceptable material: 13
15 Type of Scrap: No.1 Heavy Melt Material Description: Clean, mild carbon steel scrap, obsolete and new. May contain auto/truck rims, must have balancing lead weights removed. May contain heavy walled pipe; pipe with 8 O.D. and up must be split. Hydraulic cylinders must be separated from the ram. Up to 10% Rebar allowed (based on volume, not weight of load). Must not be concentrated in one section of load. Up to 10% of the following automotive only is allowed: Gears, Axles, Shafts, Bearings, Springs (based on volume, not weight of load). Must not be concentrated in one section of load. Sizing: 48 x 24 Max thick Density: 45 lbs/ft 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Vehicle body parts not mentioned in Material Description including, but not limited to: Gas Tanks, Torque Converters, Cables, Transmissions, Electrical Panels, Motors and Motor Blocks - Copper coated material; Tin bearing scrap - Domestic appliances - Cast Iron Chemistry: Minimum Fe Yield in Use: 86% Cu 0.25 Max Cr 0.15 Max P 0.05 Max Pb 0.02 Max S 0.05 Max 14
16 Type of Scrap: No.1 Heavy Melt Example of acceptable material: 15
17 Type of Scrap: Hot Briquetted Borings (HBB) Material Description: The hot briquetting process uses 95% cast iron borings and 5% steel turnings as feedstock and heats and bonds the iron particles with no binders and melts out the oils and moisture. Sizing: 5.25 x 2.5 x 1.8 Max Density: 375 lb/ft 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Fines Chemistry: Minimum Fe Yield in Use: 86% C 4 Max Cu 0.25 Max P 0.05 Max Pb Max S 0.08 Max 16
18 Type of Scrap: Hot Briquetted Borings (HBB) Example of acceptable material: 17
19 Type of Scrap: Industrial Bundles Material Description: New production, low carbon steel sheet scrap, clippings, skeleton scrap or tube hydraulically compressed into a bundle. Bundle must maintain its form when handled multiple times. Sizing: 36 x 24 x 24 Max Density: 100 lb/ft 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Obsolete scrap of any kind - Painted material - Fencing - Copper coated material; Tin bearing scrap Chemistry: Minimum Fe Yield in Use: 88% Cu 0.12 Max P 0.03 Max Pb Max S 0.03 Max 18
20 Type of Scrap: Industrial Bundles Example of acceptable material: 19
21 Type of Scrap: Pit Scrap Material Description: Pit Scrap generated from identifiable source which is processed to the aimed physical requirements. Irregular shaped pieces of crushed and magnetized steel that has been separated from steelmaking slag. AM Dofasco requires supplier to develop and submit a quality control program that will be adhered to when supplying Pit Scrap. Quality program to include at minimum: identification of source of material, water displacement test results to identify metallic iron content. Sizing: 18 x 18 x 6 Max 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Fines - Ladle nozzles, Refractory nozzles, Gate plates Chemistry: Minimum Fe Yield in Use: 74% Cu 0.15 Max P 0.05 Max Pb Max S 0.04 Max Minimum Fe based on Water Box Displacement Testing: 85% Refer to Appendix A: Instructions for Displacement Tests for Determining the Metallic Content of Reclaimed Steel Scrap 20
22 Type of Scrap: Pit Scrap Example of acceptable material: 21
23 Type of Scrap: Plate and Structural Material Description: Alloy free cut plate and structural shapes, obsolete and new. Material lies flat in load. May contain some heavy walled pipe any pipe with greater than 8 O.D. must be split. Sizing: 48 x 24 Max thick Density: 50 lbs/ft 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Vehicle body parts such as Wheel Rims, Gears, Gas Tanks, Axles, Cam Shafts, Bearings, Torque Converters, Cables, Springs, Transmissions, Electrical Panels, Motors and Motor Blocks - Copper coated material; Tin bearing scrap - Cast Iron Chemistry: Minimum Fe Yield in Use: 86% Cu 0.25 Max P 0.04 Max Pb Max S 0.04 Max 22
24 Type of Scrap: Plate and Structural Example of acceptable material: 23
25 Type of Scrap: Post-Consumer Steel Can Bundles Material Description: Clean, hydraulically compacted, 100% post-consumer steel cans (beverage and food). May contain empty aerosol cans void of product. May contain paint cans with their lids removed and no liquid paint present. May include spiral wound paper containers with steel bottoms. Bundle must maintain its form when handled multiple times. Sizing: 36 x 36 x 36 Max Density: 75 lb/ft 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Copper coated material; Tin bearing scrap Chemistry: Minimum Fe Yield in Use: 78% Cu 0.15 Max Sn 0.3 Max P 0.04 Max Pb Max S 0.04 Max 24
26 Type of Scrap: Post-Consumer Steel Can Bundles Example of acceptable material: 25
27 Type of Scrap: Rail Wheels and Cut Rail Material Description: Solid cast steel, forged, pressed and/or rolled steel car and/or locomotive wheels. Railroad Crops. Sizing: Cut Rail: 4 length Max Wheels: 42 diameter Max Density: 75 lb/ft 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers Chemistry: Minimum Fe Yield in Use: 88% Cu 0.15 Max P 0.15 Max S Max 26
28 Type of Scrap: Rail Wheels and Cut Rail Example of acceptable material: 27
29 Type of Scrap: Shredded Scrap Material Description: Magnetically separated fragmentized clean, alloy free, mild steel scrap produced from unprepared #1 heavy melt and demolition steel scrap, car hulks, miscellaneous baling and sheet material. Shredder feedstock to contain minimal amount of white goods. Up to 5% Rebar allowed (based on volume, not weight of load). Must not be concentrated in one section of load. All suppliers of shredded material must register and participate in Switch Out. Switch Out is a national program dedicated to removing, collecting and managing automotive mercury switches found in convenience lighting and ABS sensors. For more information, please visit the following website: Switch Out: Sizing: 6 Max Density: 70 lbs/ft 3 Min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Electrical motors, Armatures - Copper coated material; Tin bearing scrap - Turnings, Borings, PC Cans, Tire Wire, Rebar, Oil Filters, Upholstery, Fluff - Shredded product must be free of mercury, mercury switches, closed containers of any sort including hydraulic cylinders, shock absorbers, closed pipes, electrical transformers and/or other components that are suspect of having contained PCB s and CFC s. Chemistry: Minimum Fe Yield in Use: 86% Cu 0.20 Max P 0.04 Max Pb Max S 0.04 Max 28
30 Type of Scrap: Shredded Scrap Example of acceptable material: 29
31 Type of Scrap: Turnings - Briquetted Material Description: Hydraulically cold pressed steel turnings. Strength of briquette should be sufficient such that briquette does not break during transportation, unloading or normal handling by magnet. Sizing: Briquetted to 6 max Density: 180 lb / ft 3 min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers - Fines Chemistry: Minimum Fe Yield in Use: 80% C 2 Max Cu 0.25 Max P 0.05 Max Pb Max S 0.08 Max 30
32 Type of Scrap: Turnings - Briquetted Example of acceptable material: 31
33 Type of Scrap: Turnings - Loose Material Description: Clean, loose steel turnings from a known source, free of lumps, tangled or matted material. Density: 30 lb / ft 3 min Exclusions (must not contain): - Non Ferrous material and Non Metallic parts - Mill Scale, Grinding Swarf, Ammunition, Nuts, Bolts, Grinding Balls, Nails, Rebar, Dirt, Wood, Oil, Grease, Rags, Plastics, Insulation, Municipal Scrap, Excessive Rust/Corrosion, Sealed Containers Borings - Heavy oxidized turnings Chemistry: Minimum Fe Yield in Use: 80% C 2 Max Cu 0.25 Max P 0.05 Max Pb Max S 0.08 Max 32
34 Type of Scrap: Turnings - Loose Example of acceptable material: 33
35 Appendix A: Instructions for Displacement Tests for Determining the Metallic Content of Reclaimed Steel Scrap A representative sample is to be obtained from each railroad car or truck containing reclaimed scrap. These samples must contain the proper proportion of the light and heavy scrap and slag adhering scrap contained in each car, as accuracy of the results obtained depend to a large extent on the samples used for the test. The samples taken from the railroad cars or charging boxes should be dried or contain less than.5% moisture before being placed in a watertight container. The weight of the composite sample taken should be determined before the water is added, and again weighed after sufficient water is added to fully submerge the scrap. The water is added to displace the voids contained in the batch. (Do not measure or weigh until bubbling has ceased.) The weight of the water divided by pounds per cubic foot will equal the cubic feet of water contained in the box, and the total cubical content of the scrap and water (determined by actual measurements), less the cubic feet of water, results in the cubical content of this scrap. The theoretical weight of steel is determined by multiplying the cubic feet of scrap by the weight per cubic feet of 430 pounds for the density of steel. The difference in weight between the actual weight of the sample and the theoretical weight is divided by the difference in weight per cubic foot of steel and slag, the result being the cubic feet of material other than metal. The metallic content is then determined by deducting the cubic feet of other than metal from the total cubic feet of scrap in the box, the result of which is the cubic feet of solid metal, and which multiplied by the weight per cubic feet of 430 pounds for steel, which is then divided by the actual weight of the sample, results in the metallic content of the scrap. Procedure 1. A watertight container should be used, the size of which should be sufficiently large to contain scrap of maximum charging box size which is 3 6 (42 ) wide, 5 6 (66 ) long and 4 (48 ) deep (inside dimensions) or about 77 cubic feet. 2. Determine exact weight of box when empty. 34
36 3. Because the actual cubic content of the box cannot be calculated using the length times width times depth measurements, due to inside welds and distortion from handling, the average cubic foot per inch of depth of box is to be calculated. First, measure the depth of the box at all four (4) corners and divide by four. (4), to calculate the average box depth. Second, fill the box with water and determine weight of water added. Third, calculate the average depth of water by measuring down from top of box to the water at all four (4) corners and divide by four (4), then subtract that figure from the average box depth. Fourth, to determine the cubic feet of water, divide the weight of water per cubic foot (62.428). Fifth, divide cubic feet of water by average depth of water in inches to determine the cubic foot per inch of depth of box. The cubic foot per inch of depth of the box should be recalculated approximately once a year. 4. Fill box with representative samples of scrap. 5. Determine gross weight of box and scrap contained by weighing on suitable scale. 6. Fill box with water, completely submerging the scrap contained in the box to at least one to two inches. 7. Determine gross weight of scrap and water contained in box by again weighing on suitable scale. 8. Determine cubical content of the combined scrap and water in box by measuring from the water level to top the box at each corner and use average of the four (4) corners subtract from average depth of box. This figure then multiplied by the cubic foot per inch of depth (Step 3) equals the cubic content of scrap and water in box. 9. Calculate the weight of the water and the weight of the scrap in the box from actual scale weighing. 10. Calculate the cubic feet of water in the box by dividing the weight of the water contained in the box by pounds. 11. Calculate the cubic feet of scrap in box by deducting the cubic feet of water from the total cubic feet of scrap and water. 12. Calculate the theoretical weight of steel by multiplying the cubic feet (11) by 430 pounds per cubic feet. 35
37 13. Determine the cubic feet of other than metal in the sample by dividing the difference between the theoretical and the actual weight of the sample by 270 pounds ( ). 14. Calculate the metallic content of the scrap by deducting the cubic feet of other than metal (13) from the total cubic feet of scrap in box (11) the result of the which is the cubic feet of solid metal, and which, multiplied by the weight per cubic feet of 430 lbs for steel, and then divide that result by the actual weight of the sample, the result being the metallic content of the scrap. 36
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