STEEL CASTINGS HANDBOOK Supplement 8 High Alloy Data ...

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STEEL CASTINGSHANDBOOKSupplement 8 High Alloy Data SheetsCorrosion SeriesSteel Founders' Society of America 2004Chemical composition - %C MnSi P S Cr Ni max. bal Physical propertiesModulus of elasticity, psi x , Heat, , at 70 resistivity, , at 70 point, approximate oF2750Magnetic 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.

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

  Technique, Equipment, Tempering