Threaded Flanges
This flange is referred to as either threaded or screwed. Threaded flanges are used to connect other threaded components in low pressure, non-critical applications. No welding is required. The various types of threaded flanges are as follows:
- Plain Threaded Flanges
- Female Threaded Flanges
- Male Threaded Flanges
| ANSI B 16.5 Class 150 | ANSI B 16.5 Class 300 | ANSI B 16.5 Class 600 |
| ANSI B 16.5 Class 900 | ANSI B 16.5 Class 1500 | ANSI B 16.5 Class 2500 |
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
Carbon Steel
ASTM A 105, ASTM A 181
Alloy Steel
ASTM A 182, GR F1, F11, F22, F5, F9, F91
Nickel Alloys
Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276
Copper Alloys
Copper, Brass & Gunmetal
Size
1/8" NB TO 48"NB.
Class
150#, 300#,400 #,600#,900#, 1500# & 2500 #.