Silver Tubes take immense pleasure in introducing itself as one of the leading carbon steel flanges manufacturers, stockiest & exporter of high-quality Carbon Steel Flanges (A105), which is an austenitic chromium nickel stainless steel. Carbon Steel Pipe Flanges is non-magnetic in the annealed condition but it becomes magnetic when cold worked. ASTM A105 Carbon Steel Flanges is used f... https://www.silver-tubes.com/carbon-steel-flanges-supplier-exporter.html