Flanges G C Supplies UK Ltd. carry a wide range of Stainless Steel Flanges in stock. Most popular standards and sizes are available off the shelf with Slip on, Blind, Screwed and Weld Neck connections. Section of stock We carry flanges manufactured to BS10, BS4504 and ANSI standards. Non-standard items such as JIS (Japanese Imperial Standard) available on short lead times. Enquiries for flanges manufactured to customer drawings or specifications are welcomed. Stock range: Home | BS10 | BS4504 | ANSI