Cast Information

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Carbon and Low Alloy
Cast Alloy Designation10Q(4340)
UNS NumberJ24045
Comparable Wrought Alloy4340
Applicable ASTM SpecA732/A915
Chemical Composition
C0.35 - 0.45
Mn0.70 -1.00
Si.02 - 0.8
P0.04
S0.045
Cr0.70 - 0.90
Ni1.65 - 2.0
Mo0.2 - 0.3
Fe---
Cu---
Other---
Mechanical Properties
Tensile (ksi)180
Yield (ksi)145
Elongation (%)5
Reduction of area (%)---
Hardness (Brinell)---
Notes
All single values are maximums unless noted otherwise. Brinell hardness values and ranges represent typicals for the grade.
More Info
WeldableYes
CastabilityGood
ProcessabilityMedium

 

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