THREADED FLANGES
Screwed - Threaded Flanges ASME B16.5 Manufacturers, Exporters & Suppliers in India.
304/304L Screwed-Threaded Flanges, 310/310S Screwed-Threaded Flanges, 316/316L Screwed-Threaded Flanges, 317/317L Screwed-Threaded Flanges, 321/321H Screwed-Threaded Flanges, 347/347H Screwed-Threaded Flanges, 446 Screwed-Threaded Flanges.
Stainless Steel, Alloy Steel, Carbon Steel, Duplex steel, Copper Nickel Alloy, Hastelloy, Titanium, Alloy 20, Monel & Inconel Threaded Flanges.
This is similar to a slip-on flange in outline, but the bore is threaded, thus enabling assembly without welding. This Threaded Flange obviously limits its application to relatively low pressure piping systems. The flange may be welded around the joint after assembly, but this is not considered a satisfactory method of increasing its applications.
| 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 |
| 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), |
| 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, |
| Low Temperature Carbon Steel Threaded Flanges | ASTM A350 | LF2 , LF3 |
| Duplex Steel Threaded Flanges | ASTM A182, A240 | UNS F 44, F 45, F51, F 53, F 55, F 60, F 61 |
Dimensional Tolerances of Threaded Flanges ASME B16.5
| Outside Diameter ≤ 24 = 1.6 mm | > 24 = ± 3.2 mm |
Inside Diameter Within Limits on Boring Gauge |
| Diameter of Contact Face 1.6 mm Raised Face = ± 0.8 mm 6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm |
Drilling Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm Eccentricity of Bolt Circle with Respect to Facing ≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max. |
| Outside Diameter of Hub ≤ 12 = + 2.4 mm / - 1.6 mm | ≥ 14 = ± 3.2 mm |
Diameter of Counterbore Same as forInside Diameter |
| Thickness ≤ 18 = + 3.2 mm / - 0 | ≥ 20 = + 4.8 mm / - 0 |
Length thru Hub ≤ 18 = + 3.2 mm / - 0.8 mm | ≥ 20 = + 4.8 mm / - 1.6 mm |
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