ISRI Scrap Specifications Circular

13 Guidelines for Nonferrous Scrap INSTITUTE OF SCRAP RECYCLING INDUSTRIES, INC. Copyright © 2022 Institute of Scrap Recycling Industries, Inc. CODE ITEM CODE ITEM Zorba SHREDDED NONFERROUS SCRAP (predominantly aluminum) Shall be made up of a combination of the nonfer- rous metals: aluminum, copper, lead, magnesium, stainless steel, nickel, tin, and zinc, in elemental or alloyed (solid) form. The percentage of each metal within the nonferrous concentrate shall be subject to agreement between buyer and seller. Material generated by eddy current, air separation, flota- tion, screening, other segregation technique(s), or a combination thereof. Shall have passed one or more magnets to reduce or eliminate free iron and/or large iron attachments. Shall be free of radioactive mate- rial, dross, or ash. Material to be bought/sold under this guideline shall be identified as “Zorba” with a number to follow indicating the estimated percent- age nonferrous metal content of the material (e.g., “Zorba 90” means the material contains approxi- mately 90% nonferrous metal content). May also be screened to permit description by specific size ranges. (Refer also to Zorba under Mixed Metals.) ZINC HEAVIER PIECES OF ANY SIZE, LENGTH, AND WEIGHT ACCEPTABLE UPON MUTUAL AGREEMENT BETWEEN BUYER AND SELLER. Saves OLD ZINC DIE CAST SCRAP Shall consist of miscellaneous old zinc base die cast- ings, with or without iron and other foreign attach- ments. Must be free of borings, turnings, dross pieces, chunks, melted pieces and skimmings. All unmeltables, dirt, foreign attachments, and volatile substances (such as rubber, cork, plastic, grease, etc.) are deductible. Material containing in excess of 30% iron will not constitute good delivery. Scabs NEW ZINC DIE CAST SCRAP Shall consist of new or unused, clean, zinc base die castings. Castings to be unplated, unpainted, and free from corrosion. Scoot ZINC DIE CAST AUTOMOTIVE GRILLES Shall consist of clean, old or used zinc base die cast automotive grilles, free from soldered material. All foreign attachments and extraneous materials are deductible. Scope NEW PLATED ZINC DIE CAST SCRAP Shall consist of new or unused clean, plated zinc base die castings, free from corrosion. Score OLD SCRAP ZINC Shall consist of clean dry scrap zinc, such as sheets, jar lids, clean unalloyed castings and anti-corrosion plates. Borings and turnings are not acceptable. Material must not be excessively corroded or oxi- dized. All foreign attachments and extraneous mate- rials are deductible. ScreenNEW ZINC CLIPPINGS Shall consist of any new pure zinc sheets or stamp- ings free from corrosion. To contain no foreign mate- rial or attachments. Printers zinc, such as engravers zinc, lithograph sheets and addressograph plates subject to special arrangements. Printers zinc to be free of routings. Scribe CRUSHED CLEAN SORTED FRAGMENTIZERS DIE CAST SCRAP, AS PRODUCED FROM AUTOMOBILE FRAGMENTIZERS To be clean, free of dirt, oil, glass, rubber, and trash. To contain a maximum of 5% unmeltables such as free iron, copper, aluminum and other metals. Scroll UNSORTED ZINC DIE CAST SCRAP Produced from automobile fragmentizers. Material to contain about 55% zinc-bearing scrap. Other nonferrous metals such as aluminum, stainless steel, red metal, etc., to be about 40%. Insulated copper wire about 1%. Trash, dirt, glass, rubber, oil, iron, not to exceed 5%. Any variations to be sold by special arrangement between buyer and seller. Scrub HOT DIP GALVANIZERS SLAB ZINC DROSS (Batch Process) Shall consist only of galvanizers unsweated zinc dross in slab form from hot dip galvanizing (Batch Process) with a minimum zinc content of 92% and shall be free of skimmings and tramp iron. Broken pieces under 2” in diameter shall not exceed 10% of the weight of each shipment. Slabs shall not weigh over 100 pounds each. Heavier pieces acceptable upon mutual agreement between buyer and seller. Material from continuous galvanizing operation is not acceptable. Blocks are acceptable upon mutual agreement. Scull ZINC DIE CAST SLABS OR PIGS Shall consist of melted zinc base die cast materials, in smooth clean solid slabs or pigs. Material to be free from drosses and to contain a minimum zinc content of 90%. To contain a maximum of 0.1% nickel and maximum of 1% lead. Blocks are accept- able upon mutual agreement. Seal CONTINUOUS LINE GALVANIZING SLAB ZINC TOP DROSS Shall consist of unsweated zinc dross removed from the top of a continuous line galvanizing bath, in slab form not weighing in excess of 100 pounds each, with a minimum zinc content of 90%. Heavier pieces acceptable upon mutual agreement between buyer and seller. Shall be free of skimmings. Broken pieces under 2” in diameter shall not exceed 10% of the weight of each shipment. Seam CONTINUOUS LINE GALVANIZING SLAB ZINC BOTTOM DROSS Shall consist of unsweated zinc dross removed from the bottom of a continuous line galvanizing bath, in slab form not weighing in excess of 100 pounds each, with a minimum zinc content of 92%. Heavier pieces acceptable upon mutual agreement between buyer

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