Wrought Iron

Does anyone know where I can research wrought iron? I am looking to buy some balconies, but I understand that wrought iron comes in (at least) two grades, so I would like to research it before I enquire. If anyone has any merchant recommendations, even better.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.