Help Determining Cast Material

[MechEracing]

We are looking to replace some old cast pieces in one of our heat treat ovens. I haven't been able to locate the original specs on the part. We ran an Arcmet and Xmet analysis on the material to narrow down the material type. However, I haven't been able to cross-reference it with anything listed in the UNS book. Any ideas?
C: 2.77
Si: .63
Mn: .45
Cr: 14.39
Mo: 1.54
Ni: .23

 

[EdStainless]

That looks to be white cast iron. UNS F4500x ASTM A532.
Good luck, these are a bear to work with.
Check the hardness and do a micro.
These are usually used as cast or case and stress relieved.
Pangborn makes shot blast equipment so these must be wear plates of some sort.


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P.E. Metallurgy, consulting work welcomed

 

[MechEracing]

Thanks for the help. The chemistry matches up with ASTM A532 IIB. I never thought to look in the cast iron section of the UNS book for whatever reason.

 

[arunmrao]

Pangborn produces in 15Cr-3Mo grade wear parts. I used to make these for after markets.