Activity 5.3 Density and Uses of Common Materials Chart Ferrous Metals Material Cast Iron Carbon Steel 1000,4000,5000 series Stainless Steel Density (g/cm3) 7.2 7.85 7.9 Uses Heavy equipment, machine frames. Fasteners like rivets, nails, wire, chains and machine parts. Medium carbon steel is used for gears, shafts, tool shanks. High carbon steel is used for screwdrivers, cutting tools, blades, drills, springs, bearings and knives. Sinks, cutlery, kitchen utensils, surgical tools. Nonferrous Metals Material Density (g/cm3) Aluminum 2.71 Copper 8.79 Brass 8.48 Bronze 7.4 – 8.9 Uses Used in chemical and food processing, fasteners, structural members, aircraft structural components, hardware, car and truck wheels, decorative trim, awnings, siding, storage tanks, boats, missiles, truck and trailer assemblies. Water pipes, electrical circuit boards, electrical wire, roofing. Jewelry, water valves, boats, fittings, hardware, electrical sockets, bullet casings, ornaments. Pipe fitting, statues, coins, and bearings. Plastics Material Density (g/cm3) Acrylonitrile-Butadiene-Styrene (ABS) 1.0 Polyethylene Terephthalate (PET) 1.39 Cellulose Acetate ( CA ) 1.3 Polyamide (PA) and Nylon 1.15 Uses Kitchenware, food processors, mixers, camera cases, appliances and tool housings, instrument panels, luggage, sporting goods, safety helmets, telephones, battery cases. Soft drink and water bottles, salad dressing and peanut butter containers, salad domes, surf boards. Photo films, magnetic recording films, handles and knobs, sheet packaging for products, brushes, combs, textiles. Bearings, gears, casings for power tools, packaging for foods such as bacon and cheese. Textiles, fishing lines, carpet, rollers and bearings. © 2012 Project Lead The Way, Inc. Introduction to Engineering Design Activity 5.3 Density and Uses of Common Materials Chart – Page 1 Polycarbonate (PC) 1.2 High Density Polyethylene (HDPE) 0.95 Polypropylene (PP) 0.90 Polymethyl Methacrylate Acrylic (PMMA) Polystyrene (PS) 1.2 Polyvinyl Chloride (PVC) 1.05 1.16 – 1.45 Styrene-Butadiene (SBR) Rubber 1.52 Polyester Resins 1.4 Electrical components (due to heat resistance and insulation properties) glazing, eyewear lenses, CDs, bullet-proof glass, theft-proof packaging. Food and liquid containers, squeeze-type bottles, toys, garbage cans, milk crates, buckets, bowls, rigid agricultural pipes, flower pots, toys Medical equipment, syringes, containers with hinges, automobile ducts and trim, outdoor carpet, string, rope, nets, crates, and kitchenware, chip bags, straws, microwave dishes, ice scrapers, lawn mower wheels. Models, automobile taillights, aircraft canopies, windows, furniture, illuminated signs. Model kits, blister packaging, lenses, CD cases, disposable plates, cups, utensils, sound and heat insulation, marine applications, low cost brittle toys, envelope windows, license plate holders. Film for meat packaging, pipes, gutters, bottles, soles of shoes, cosmetic containers, electrical conduit, blister packs, floor mats, hoses. Sealants, adhesives, vibration mounting materials, footwear, tires, hoses, and latex paint. Gears, pump impellers, lawn sprinklers, boat and car bumpers, shell chairs, and containers. Hardwoods Material Density (g/cm3) 0.65 – 0.85 Ash Balsa 0.16 Basswood 0.3 – 0.6 Beech 0.7 – 0.9 Cherry Elm, American 0.57 Maple Oak 0.6 – 0.9 Poplar 0.35 – 0.5 Walnut, American Black 0.63 Uses Tool handles, ladders, laminating, and sports equipment. Commercial model making especially aero modeling industry, sandwich construction in aircraft and boats. Commercial model making, carving and pattern making. Chairs, toys, tool handles, turnings, steam bending Solid wood for furniture. General furniture construction, garden furniture, and turned items. Solid wood for furniture. General furniture construction and veneer plywood. Boat building, garden furniture, and posts. General furniture construction and model construction. Veneer and solid wood for furniture, handles such as gun stocks. © 2012 Project Lead The Way, Inc. Introduction to Engineering Design Activity 5.3 Density and Uses of Common Materials Chart – Page 2 Mahogany 0.5 -0.85 Solid wood for furniture. Density (g/cm3) Uses Softwoods Material Cedar, western red 0.38 Outdoor furniture and siding, posts. Fir/Hemlock 0.50 Residential construction. Pine 0.35 – 0.50 Finish construction work, trim, furniture. Note: Material densities can vary widely. These densities are provided for reference only. Material uses charts can be found in Chapter Eleven of the text listed below. Hutchinson, J. & Karsnitz, J.R. (1997). Design and problem solving in technology. Glencoe McGraw-Hill. © 2012 Project Lead The Way, Inc. Introduction to Engineering Design Activity 5.3 Density and Uses of Common Materials Chart – Page 3