Siddhgiri Tubes is a leading manufacturer, supplier, stockist, and exporter of Alloy 20 Flanges. Established in 1980, our company has continually expanded its services, products, and production capabilities, solidifying our position as a manufacturing and exporting powerhouse in Stainless Steel, Carbon Steel, Alloy Steel, and other rare metals.
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Our range of offerings includes Alloy 20 Lap Joint Flanges, renowned for their enhanced corrosion resistance to sulphuric acids, making them indispensable in synthetic rubber manufacturing plants and mixing tanks. We also provide ASTM B462 Alloy UNS N08020 Blind Flanges, equipped with pressure fittings (NPT), known for their resistance to acidic attacks, making them highly sought after in the offshore and oil industry.
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As suppliers, we offer Alloy DIN 2.4660 Weld Neck Flanges, incorporating niobium to reduce carbide precipitation during welding at elevated temperatures, crucial in pickling equipment and process piping. Our export range includes ASTM SB462 Alloy 20 Slip On Flanges, serving as a cost-effective alternative to high Nickel flanges while providing similar corrosion resistance properties against crevice corrosion and pitting.
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At Siddhgiri Tubes, we offer a wide range of Alloy 20 ASTM B462 Flanges, including Slip On, Weld Neck, Socket Weld, Blind, Orifice, Spectacle Blind, Screwed/Threaded, Reducing, and Ring Type Joint (RTJ) Flanges.For further inquiries or to explore our comprehensive range of Alloy 20 Flanges, feel free to contact us.
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Specification Chart of Alloy 20 Flanges
| Specification | ASTM B564/ ASME SB564, ASTM B366/ ASME SB366 |
|---|---|
| Pressure Rating ANSI | Class 1500, Class 150, Class 900, Class 2500, Class 300, Class 600, |
| Pressure Calculation in DIN | 10Bar, 16Bar, 25Bar, 40Bar, 6Bar, / PN16, PN64, PN40, PN25, PN10, PN6 |
| JIS | 16 K, 20 K, 5K, 10 K, 40 K, 63 K, 30 K, |
| UNI | 10Bar 16Bar 6Bar 25Bar 40Bar |
| EN | 6Bar 25Bar 40Bar 10Bar 16Bar |
| Most common Types | Threaded / Screwed / Forged / Plate |
| Production technique | Forged, Heat treated and machined |
| Shapes and Types we produce | Large Male-Female (LMF), Ring Type Joint (RTJ), Flat Face (FF), Small Tongue, Small Male-Female (SMF),Raised Face (RF), Large Tongue & Groove, Groove, Lap-Joint Face (LJF) |
| Test | Direct-reading Spectrograph, Magnetic particle detector, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector |
| Equipment | Pushing Machine, Press machine, Bending machine, Sand-blasting machine, electric bevelling machine etc |
Chemical Composition Of Alloy 20 Flanges
| Grade | Ni | Mo | Fe | C | Co | Cr | Mn | Si | Ti | W | Al | Cu |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hastelloy B3 | 65.0 min | 28.5 | 1.5 | .01 max | 3.0 max | 1.5 | 3.0 max | .10 max | .2 max | 3.0 max | .50 max | .20 max |
Mechanical Properties Of Alloy 20 Flanges
| Grade | Density | Melting Point | Tensile Strength | Modulus of elasticity ( GPa ) |
|---|---|---|---|---|
| Hastelloy B3 | 9.22 g/cm3 | 1418 °C | 1000-2000 MPa | 216 |