Cast Information

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Martensitic Stainless Steel
Cast Alloy DesignationC12A
UNS NumberJ84090
Comparable Wrought Alloy---
Applicable ASTM SpecA217
Chemical Composition
C0.08 - 0.12
Mn0.3 - 0.12
Si0.20 - 0.50
P0.025
S0.01
Cr8.0 - 9.5
Ni0.4
Mo0.85 - 1.05
Fe---
Cu---
OtherCb 0.06 - 0.10N 0.030 - 0.070, V 0.18 - 0.25
Mechanical Properties
Tensile (ksi)85 -110
Yield (ksi)60
Elongation (%)18
Reduction of area (%)45
Hardness (Brinell)---
Notes
All single values are maximums unless noted otherwise. Brinell hardness values and ranges represent typicals for the grade.
More Info
WeldableYes but crack prone
CastabilityHard
ProcessabilityMedium

 

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