Best material with bronze

[BOB BLACKSHAW 1Participant @bobblackshaw1]

Hello all, I making a 2/3scale AA RAYMAN marine steam engine and now on the cylinder. I've made the cylinder out of what I think is bronze, it's 50mm wide with a 12mm hole through the large lump that I've got and looks like a casting but with a bronze colour.

What material would be best for the valve that will side on the cylinder face.

Another question I have a large bar of 55mm bronze which is copper coloured which is different from other bronzes it's tough and difficult to drill that it will grab,any idea what this could be, it has the wave heat lines on the bar so know it's some type of bronze.

As with the engine it will not get much use, it's just making it and fitting it in a boat,minimal use.

Thanks Bob

[BOB BLACKSHAW 1Participant @bobblackshaw1]

[SillyOldDufferModerator @sillyoldduffer]

Bump to get the question on the front page again.

In the absence of an expert, I suggest steel or cast-iron for the valve. Nothing sensible to say about identifying the Bronze unless I can find a missing book!

Dave

[old martParticipant @oldmart]

I do know that chrome plating and bronze do not mix well, so avoid stainless steel, just in case.

[Brian HParticipant @brianh50089]

I'd use gunmetal as it's dissimilar enough to not cause problems.

Brian

Edited By Brian H on 19/09/2020 22:15:33

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