Was that post related to welding a cast iron part removed?

My question was: Is it possible that the part is cast steel vs cast iron since it appears to take a good weld vs resisting it? From my experience cast iron will snap vs bend from stress which would make it a weak part from the start. Did you test it to know it is cast iron vs cast steel? Such as:

How to Distinguish Between Cast Iron & Cast Steel

Instructions

How to Distinguish Between Cast Iron & Cast Steel | eHow.com
 1
Identify the metallic material by looking at its raw surface color. The surface of cast steel is dark gray, sometimes referred to as "steely." In contrast, both white and gray cast Error! Hyperlink reference not valid. have a duller and less shiny gray appearance.
 2
Perform a spark test by holding the edge of your metal Error! Hyperlink reference not valid. against the cutting edge of a grinding wheel. If the metal generates red sparks, it is cast iron and if it generates white sparks, it is cast steel.
 3
File a piece of metal off your sample using a metal file or a chisel. If it is cast steel, you should be able to file a continuous chip. For cast iron, you will only be able to file small chips of metal off.
 4
Perform a melting test if you have extra metal to work with. Hold a blow torch to your metal sample after putting on your safety gloves and mask. Observe the color of light that surrounds the metal as it melts. Cast iron appears red as it begins to melt and cast steel appears white. This is because cast steel melts at a higher temperature than cast iron.


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