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The Young Modulus of Spheroidal Cast Iron is aproximately 170000 N/mm2 [MPa] - 24500000 psi. Of course it depends on the grade of the cast iron. It can vary a lot if oyu will consider also the family of malleable cast iron where the range of values is from 60000 to 170000 N/mm2 - from 10000000 to 24500000 psi.

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16y ago
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15y ago

Engineering Fundamentals lists the elastic modulus of 4140 as 190-210 gigapascals (30 million PSI). Wikipedia agrees with this range. Curiously, annealing, cold-working, or hardening the steel doesn't affect its elastic modulus much, although the tensile strength is greatly affected.

http://www.efunda.com/materials/alloys/alloy_steels/show_alloy.cfm?ID=AISI_4140&prop=all&Page_Title=AISI%204140

http://en.wikipedia.org/wiki/Young%27s_modulus

http://en.wikipedia.org/wiki/Carbon_steel

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11y ago

200 Gpa

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Q: What is the young's modulus for AISI 4340?
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