In addition, these flanges are widely used in particular states by means of their prime benefit that they can be joined to the pipe with no welding. A spectacle flange is a branch of learning flange that are being made up of two metal discs connected in the midst by a small segment of steel. Meanwhile, Spectacle flanges obtain their name for the reason that they look like a pair of reading glasses, or spectacles.
| 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 Spectacle 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 Spectacle Flanges | ASTM A105 | Gr. F42,46,52,56,60,65,70 |
| Alloy Steel Spectacle Flanges |
ASTM A182 | F1,F5,F9,F11,F22,F91 |
| Copper Alloys Spectacle 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 Spectacle 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 Spectacle 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 Spectacle Flanges | ASTM A350 | LF2 , LF3 |
| ASTM A105 Gr. F42 Spectacle Flanges | ASTM A105 Gr. F46 Spectacle Flanges |
| Carbon Steel ASTM A105 Gr. F52 Spectacle Flanges | Carbon Steel ASTM A105 Gr. F56 Spectacle Flanges |
| ASTM A105 Gr. F60 Spectacle Flanges | ASTM A105 Gr. F65 Spectacle Flanges |
| Carbon Steel ASTM A105 Gr. F70 Spectacle Flanges | Carbon Spectacle Flanges |
| Carbon A105 Spectacle Flanges | Carbon Steel Spectacle Flanges |
| ASTM A182 Gr. F1 Spectacle Flanges | ASTM A182 Gr. F5 Spectacle Flanges |
| Alloy Steel ASTM A182 Gr. F9 Spectacle Flanges | Alloy Steel ASTM A182 Gr. F11 Spectacle Flanges |
| ASTM A182 Gr. F22 Spectacle Flanges | ASTM A182 Gr. F91 Spectacle Flanges |