Class 300 stainless steel threaded flange

Class 300 stainless steel threaded flange introduction

Class 300 stainless steel threaded flange is similar to slip-on flanges in outline, but the bore is threaded, thus enabling assembly without welding. This obviously limits its application to relatively low pressure piping systems. Threaded flange is used in low press condition usually.

Class 300 stainless steel threaded flange specification

Item	Threaded flange
Steel Grade	F304, 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, etc.
Standards	ANSI/ASME/ASTM/API/MSS/AWWA
Class	300
Nominal Size	1/2"-24"