Glossary of Materials and Grades of Scrap
Alternative Irons - Scrap substitute. See also Direct Reduced Iron & Pig.
Angles & Splice bars -Standard long product in steel, aluminium and other metals. The arms of the angle may be equal or unequal.
Cast Iron borings - Clean cast iron or malleable iron borings and drillings, free of steel turnings, scale, lumps or excessive oil.
Cast Iron borings, foundry - Clean cast iron or malleable iron borings and drillings, free of steel turnings, scale or lumps, spun dry and coming from a single source.
Clean auto cast - Clean auto blocks; free of all steel parts except camshafts, valves, valve springs, and studs. Free of nonferrous and non-metallic parts.
Clean cast iron scrap - such as columns, pipes, plates, and castings of a miscellaneous nature, including automobile blocks and cast iron parts of agricultural and other machinery. Free from stove plate, burnt iron, brake shoes or foreign material. Cupola size, not over 24 inches x 30 inches, and no piece over 150 pounds in weight.
Cupola cast - Clean cast iron scrap such as columns, pipes, plates, and castings of a miscellaneous nature, including automobile blocks and cast iron parts of agricultural and other machinery. Free from stove plate, burnt iron, brake shoes or foreign material. Cupola size, not over 24 inches x 30 inches, and no piece over 150 pounds in weight.
Drop broken machinery cast - Clean heavy cast iron machinery scrap that has been broken under a drop. All pieces must be of cupola size, not over 24 inches x 30 inches, and no piece over 150 pounds in weight.
Electric furnace bundles - New black steel sheet scrap hydraulically compressed into bundles of size and weight as specified by consumer.
Foundry steel, 2 feet and under - Steel scrap 1/8 inch and over in thickness, not over 2 feet in length or 18 inches in width. Individual pieces free from attachments. May not include nonferrous metals, cast or malleable iron, cable, vitreous enameled, or metal coated material
Heavy turnings - Short, heavy steel turnings, containing not over 0.05 percent phosphorus or sulphur and free of alloys. May include rail chips. May not include machine shop or other light turnings and must weigh not less than 75 pounds per cubic foot in the original state of production.
Heavy breakable cast - Cast iron scrap over charging box size or weighing more than 500 pounds. May include cylinders and driving wheel centers. May include steel which does not exceed 10 percent of the casting by weight.
Low-residual, black foundry busheling - Black (uncoated) busheling for the foundries with a maximum content of 0.40-percent manganese, 0.05-percent chromium, and 0.05-0.09- percent nickel. Typically 6-12 inches in size, although it can go as long as 2 feet.
Low-residual, ductile-quality shredded clips - Shredded black (uncoated) clips for ductile-iron foundries with a maximum content of 0.40-percent manganese, 0.05-percent chromium, and 0.05-0.09- percent nickel.
Machine shop turnings - Clean steel or wrought iron turnings, free of iron borings, nonferrous metals in a free state, scale, or excessive oil. May not include badly rusted or corroded stock.
Mixed cast - May include all grades of cast iron except burnt iron. Dimensions not over 24 inches x 30 inches and no piece over 150 pounds in weight.
Mixed borings and turnings - Same as machine shop turnings but including iron borings.
No. 1 heavy melting - 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.
No. 2 heavy melting- 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.
No. 1 dealer bundles - New black steel sheet scrap, clippings or skeleton scrap, compressed or hand bundled, to charging box size, and weighing not less than 75 pounds per cubic foot. (Hand bundles are tightly secured for handling with a magnet.) May include Stanley balls or mandrel wound bundles or skeleton reels, tightly secured. May include chemically detinned material. May not include old auto body or fender stock. Free of metal coated, limed, vitreous enameled, and electrical sheet containing over 0.5 percent silicon.
No. 2 bundles - Old black and galvanized steel sheet scrap, hydraulically compressed to charging box size and weighing not less than 75 pounds per cubic foot. May not include tin or lead-coated material or vitreous enameled material.
No. 1 busheling - Clean steel scrap, not exceeding 12 inches in any dimensions, including new factory busheling (for example, sheet clippings, stampings, etc.). May not include old auto body and fender stock. Free of metal coated, limed, vitreous enameled, and electrical sheet containing over 0.5 percent silicon.
No. 1 RR Heavy Melting - Clean wrought iron or steel scrap, 1/4 inch and over in thickness, not over 18 inches in width, and not over 5 feet in length. May include pipe ends and material 1/8 inch to 1/4 inch in thickness, not over 15 inches x 15 inches. Individual pieces cut so as to lie reasonably flat in charging box.
No. 1 machinery cast - Large iron castings obtained from heavy machinery, including manufacturing, agricultural and construction equipment, cleaned and broken up to foundry size scrap
Plate and structurals, 5 feet and under - Cut structural and plate scrap, 5 feet and under. Clean open hearth steel plates, structural shapes, crop ends, shearings, or broken steel tires. Dimensions not less than 1/4 inch thickness, not over 5 feet in length and 18 inches in width. Phosphorus or sulphur not over 0.05 percent.
Punchings and plate - Punchings or stampings, plate scrap, and bar crops containing not over 0.05 percent phosphorous or sulphur and not over 0.5 percent silicon, free from alloys. All materials cut 12 inches and under, and with the exception of punchings or stampings, at least 1/8 inch in thickness. Punchings or stampings under 6 inches in diameter may be any gauge
Plate and structurals, low alloy, 2 feet and under - Same as cut structural and plate scrap, 3 feet and under, except for length.
Plate and structural steel, 5 feet and under.
Cut structural and plate scrap, 5 feet and under - Clean open hearth steel plates, structural shapes, crop ends, shearings, or broken steel tires. Dimensions not less than 1/4 inch thickness, not over 5 feet in length and 24 inches in width. Phosphorus or sulphur not over 0.05 percent.
Rails, 2 ft and under - Standard section, original weight of 50 pounds per yard and over, 18 inches long and under.
Rails, random length - Railroad rails of various lengths, weights and configurations. Rails can include all chemistry grades (carbon or alloy), and may have joint bars, bolts and rail anchors attached.
Reroller rails - Rails, random length: Standard Tee Railroad Rails (non-alloy) which are free of all attachments, no excessive pitting, and free of all debris (concrete, mud, etc.). Rails must be commercially straight, and generally are 20 foot and longer, weighing 80 lbs per yard and heavier.
Shredded scrap - Homogeneous iron and steel scrap, magnetically separated, originating from automobiles, unprepared No. 1 and No. 2 steel, miscellaneous baling and sheet scrap. Average density 50 pounds per cubic foot.
Shoveling turnings - Clean short steel or wrought iron turnings, drillings, or screw cuttings. May include any such material whether resulting from crushing, raking, or other processes. Free of springy, bushy, tangled or matted material, lumps, iron borings, nonferrous metals in a free state, grindings, or excessive oil.
Stainless steel scrap - Shall consist of clean 18-8 type stainless steel clips and solids containing a minimum 7% nickel, 16% chrome, and have a maximum of .50% molybdenum, .50% copper, .045% phosphorous, and .03% sulfur, and otherwise free of harmful contaminants.
Particulars concerning physical description, grading, additional analysis, and preparation to be agreed upon between buyer and seller.
Stainless steel turnings - Shall consist of clean 18-8 type stainless steel turnings containing a minimum 7% nickel and 16% chrome, and to be free of nonferrous metals, nonmetallics, excessive iron, oil and other contaminants. Particulars concerning physical description, assay, and packaging to be agreed upon between buyer
Steel car wheels- Cast iron car wheels. Solid cast steel, forged, pressed and/or rolled steel car and/or locomotive wheels, not over 42 inches diameter.
Stove plate - Free from malleable and steel parts, window weights, plow points, or burnt cast iron.
Unstripped motor blocks - Automobile or truck motors from which steel and nonferrous fittings may or may not have been removed. Free from drive shafts and all parts of frames.
Wheels, No. 1 - Cast iron car wheels.
Definitions for most materials reproduced with permission from ISRI's Scrap Specification Circular 2014. For a full list of scrap material standard definitions please visit www.ISRI.org.