What is Chrome Steel (303)?

[Iputpipe]

I am looking at buying some knife gate valves for a slurry application. One of the two options available has a spindle made of stainless steel 304 and the other has a spindle made of chrome steel (303). What is chrome steel?

 

[CoryPad]

I believe this is 303 stainless. Take a look here for more information:

http://www.matweb.com/search/SpecificMaterial.asp?bassnum=Q303A

Regards,

Cory

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