Flanges -ANSI B16.5 Welding Neck Size:1/2"-24",24''-80'' Thickness:SCH10-XXS ... Material:Carbon Steel,Stainless Steel Flanges -ANSI B16.5 Welding Neck size 1/2" to 24" ASME B16.524"to ... ,A350LF2,A350LF3,)Stainless steel(ASTM A182 F304, F304L,F316,F316L,F321,F347,F310F44F51,A276 S31803, A182, F43, A276 S32750,A705 631 ... available as the requirement of customer Flanges -ANSI B16.5 Welding Neck