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STEEL CASTINGS HANDBOOK Supplement 8 High Alloy Data ...

STEEL CASTINGSHANDBOOKS upplement 8 High Alloy Data SheetsCorrosion SeriesSteel Founders' Society of America 2004 Chemical composition - %C MnSi P S Cr Ni max. bal Physical propertiesModulus of elasticity, psi x , Heat, , at 70 resistivity, , at 70 point, approximate oF2750 Magnetic permeabilityFerromagneticThermal conductivityMean coefficient of Btu/( oF)Linear thermal expansion: (in. oF)_____At 212 - 212 1000 - 1000 properties at room temperatureRepresentativeMinimum tensiletensile properties& toughnessair cooled fromrequirements>1900 oFASTM A743,temper at 1100-A7571150 oF_____Tensile strength, ksi strength, offset, , in 2in., %2415 Reduction of area, %6035 Brinell hardness (HBW)268-Charpy V-notch, @ -100 oF, (A757)AToughness and impact propertiesImpact, Charpy V-notch - see toughness, Kic - see elevated temperaturesShort time elevated temperature properties - see rupture properties - see Table 1 and Figs.

Tempering in the vicinity of 900°F (482°C) should be avoided because lower toughness will result. Some re- ... are feasible depending on casting design and pattern equipment. Complex designs involving light and heavy ... if proper techniques are employed. For

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