A flange with a heavy welding neck which is hot formed from a circular section of steel plate having a small co-axial hole in the center.
Weld Neck Flanges are available with following specifications:
Stainless Steel: ASTM A 182, A 240
Grade: F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L,
Duplex stainless steel UNS S31803, 2205, Super ...