Also recognized as Screwed Flanges, they clearly confine its purpose to moderately low pressure system of the piping. In a nutshell, these Flanges are used to connect other threaded parts in non-critical and low pressure applications. Meanwhile, these threaded Flanges are used for particular situations by means of their main benefit being that they can be joined to the pipe devoid of any welding. Well, at times a seal weld is as well used in combination by means of the threaded connection.
| Size | : | 1/8" NB TO 48"NB. |
| Standards | : | ASTM A182 - ASME SA182, ASME B16.5, ASME B16.36, ASME B16.47. |
| DIN | : | IN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673 |
| B.S | : | BS4504, BS4504, BS1560, BS10 |
| Class | : | 150#, 300#,400#,600#,900#, 1500# & 2500#. |
| Material of Construction | Standard | Grades |
| Stainless Steel Threaded Flanges | ASTM A182 , A240 | F 304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L |
| Carbon Steel Threaded Flanges | ASTM A105 | Gr. F42,46,52,56,60,65,70 |
| Alloy Steel Threaded Flanges |
ASTM A182 | F1,F5,F9,F11,F22,F91 |
| Copper Alloys Threaded Flanges | ASTM SB 61 , SB62 , SB151 , SB152 | UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, |
| Nickel Alloy Threaded Flanges |
ASTM SB564, SB160, SB472, SB162 | Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), |
| Duplex & Super Duplex Steel Threaded Flanges |
ASTM A182, A240 | UNS S31803, UNS S32205, UNS S32750, UNS S32950 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61 |
| Low Temperature Carbon Steel Threaded Flanges | ASTM A350 | LF2 , LF3 |
| ASTM A105 Gr. F42 Threaded Flanges | ASTM A105 Gr. F46 Threaded Flanges |
| Carbon Steel ASTM A105 Gr. F52 Threaded Flanges | Carbon Steel ASTM A105 Gr. F56 Threaded Flanges |
| ASTM A105 Gr. F60 Threaded Flanges | ASTM A105 Gr. F65 Threaded Flanges |
| Carbon Steel ASTM A105 Gr. F70 Threaded Flanges | Carbon Threaded Flanges |
| Carbon A105 Threaded Flanges | Carbon Steel Threaded Flanges |
| ASTM A182 Gr. F1 Threaded Flanges | ASTM A182 Gr. F5 Threaded Flanges |
| Alloy Steel ASTM A182 Gr. F9 Threaded Flanges | Alloy Steel ASTM A182 Gr. F11 Threaded Flanges |
| ASTM A182 Gr. F22 Threaded Flanges | ASTM A182 Gr. F91 Threaded Flanges |