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 Screw-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
Pentagon Steel India is a recognized leader in the manufacturing, supply, and export of screw-threaded flanges (ASME B16.5) in India. The company offers a diverse selection of high-quality flanges in various materials, catering to the specific needs of industries worldwide.
Their range of screwed-through flanges includes options made from premium stainless steel grades, such as 304/304L, 310/310S, 316/316L, 317/317L, 321/321H, 347/347H, and 446. These flanges are known for their durability, excellent corrosion resistance, and suitability for high-pressure applications, making them ideal for environments with demanding operational conditions.
In addition to stainless steel, Pentagon Steel India provides screwed-through flanges in materials such as alloy steel, carbon steel, and duplex steel, offering superior mechanical properties for various industrial uses. The company also supplies flanges in copper nickel alloy, Hastelloy, and Inconel, which are particularly well-suited for industries requiring enhanced resistance to heat and corrosion, such as marine, petrochemical, and power generation sectors.
For more specialized applications, Pentagon Steel India offers flanges made from titanium and Alloy 20, materials known for their high resistance to harsh chemical environments. All products meet stringent international standards, ensuring reliability and a long service life.
With a commitment to quality and customer satisfaction, Pentagon Steel India serves a global clientele, including multinational corporations. Their extensive experience and technical expertise make them a trusted partner for screwed-through flanges across various industries.
We are a manufacturer and exporter of stainless steel flanges, alloy steel flanges, carbon steel flanges, duplex steel flanges, monel flanges, and Inconel flanges.
- Stainless Steel Flanges: As the name implies, these are constructed of stainless steel, a material commonly used to make flanges.
- Alloy Steel Flanges: These steels are alloyed with additional materials to increase their mechanical qualities.
- Carbon Steel Flanges: The higher carbon content provides
Flanges made of stainless steel, alloy steel, carbon steel, duplex steel, monel, and inconel.ASTM / ASME - A 182 / 240, SA 182 / 240 Flanges,
| 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 |
| 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 |