weld neck flanges with various materials

weld neck flanges with various materials Weld Neck Flanges are flanges with the wall thickness of the flange having the same dimensions of the matching pipe, the lighter the pipe is, the larger the bore, conversely, the heavier the pipe, the smaller the bore, they are normally used for high pressure, cold or hot temperature. 1.Specification: NPS1/2"-NPS60" 2.Norminal Pressure: Class150,Class300,Class400,Class600,Class900,Class1500,Class2500 3.Material: 1) Carbon Steel(CS):