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November 27, 2012

Plastic Selection Chart

PlasticsSelectionChart.pdf Plastics Selection Chart Common Name Properties Uses Common Forms Cost Polyester resin (Unsaturated polyester resin) Good electrical insulator, good heat resistance. Stiff, hard, brittle alone but strong and resilient when laminated. Resistant to ultraviolet light for outside use. Strongly exothermic, this can lead to cracking. Contracts on curing. GRP boats, car bodies. Chair shells. … Continue reading Plastic Selection Chart

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November 27, 2012

Properties of Steel

PropertiesOfSteelchart.pdf Properties of Steel (Tabulated in accordance with the Unified Numbering System for Metals and Alloys (UNS), Society of Automotive Engineers, Warrendale, PA., 1975. This reference contains the cross reference numbers for AISI, ASTM, FED, MIL SPEC, and SAE specifications. The values shown for hot-rolled (HR) and cold drawn (CD) steels are estimated minimum values… Continue reading Properties of Steel

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November 27, 2012

Range of Composition for Typical Unalloyed Cast Irons

RangeofCompTypicalUnalloyChart.pdf Range of Compositions for Typical Unalloyed Cast Irons Values in Percent (%) Type of Iron Carbon Silicon Manganese Sulfur Phosphorus Gray 2.5 – 4.0 1.0 – 3.0 0.2 – 1.0 0.02 – 0.25 0.02 – 1.0 Ductile 3.0 – 4.0 1.8 – 2.8 0.1 – 1.0 0.01 – 0.03 0.01 – 0.1 Compacted Graphite… Continue reading Range of Composition for Typical Unalloyed Cast Irons

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