We offer wnrf flanges. Weld neck flanges are a flanges 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 duplex stainless steel uns s32750