|"Careful consideration of the experience and skill of your contractor should be a required prerequisite to the decision to weld cast iron."||
"Early" iron structures were made-up of components attached by mechanical joints and fasteners - such as pins, rivets and rivet straps.
The structure could be attached to a stone base by "leading" (the use of poured lead), or by packing with solid sulphur.
The introduction of welding for attachment - gas welding with oxy-acetylene - wasn't perfected until early in this century. And electrical arc welding is an even more recent development.
Welding, while frequently a useful tool, should not, however, be the selected method of attachment in all cases.
First, technicial difficulties arise in the welding of cast iron due to it's metallurgical content. It requires not only specialized welding equipment, but a highly skilled welder. When properly done, it can be a cost effective tool.
However, when the authenticity of restored eighteenth century iron is a factor, welding could be considered an inappropriate means of attachment.
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Architectural Iron Company
104 Ironwood Court
Milford, PA 18337-0126
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Last Updated: 6/30/18