Alloy 20 Flanges are one of the most popular types of flanges. They are made from a high-quality mix of nickel, chromium, and molybdenum, making them highly resistant to corrosion and a wide range of temperatures. They are used in various applications, including chemical processing, food processing, and more. Alloy 20 Flanges are essential for durability, performance, longevity, and corrosion resistance. With excellent physical and mechanical features, exceptional corrosion resistance, and unmatched chemical composition, these flanges are ideal for various applications across various industries.
Features of Alloy 20 Flanges
One of the most significant features of Alloy 20 Flanges is their exceptional durability and resistance to cracks. They are designed to withstand high-stress environments, including corrosive, acidic, and harsh chemical reactions. Furthermore, Alloy 20 Flanges are incredibly versatile and can be used in various applications, including heat exchangers, chemical processing, and pharmaceuticals.
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Corrosion Resistance of Alloy 20 Flanges
Another essential feature of Alloy 20 Flanges is their exceptional corrosion resistance. These flanges are highly resistant to various corrosive elements, including sulfuric, hydrochloric, and phosphoric acids. Thus, Alloy 20 Flanges are ideal for chemical processing and other industries where corrosion is a severe problem. Also, they are highly resistant to stress-corrosion cracking in chloride solutions.
Chemical Composition of Alloy 20 Flanges
The chemical composition of Alloy 20 Flanges plays a significant role in their properties, including their corrosion resistance and strength. These flanges contain 32-38% nickel, 19-21% chromium, 2-3% molybdenum, 3-4% copper, 0.7% carbon, and other trace elements. This composition makes Alloy 20 Flanges incredibly corrosion-resistant and adds to their durability.
Physical and Mechanical Properties of Alloy 20 Flanges
Alloy 20 Flanges have excellent strength and toughness regarding physical and mechanical properties. They can withstand high temperatures and stresses, making them ideal for use in extreme environments. Also, these flanges are highly malleable, impact-resistant, and have a low thermal expansion coefficient. Furthermore, they have impressive tensile strength, yield strength, and elongation properties, making them the go-to flange for most applications.
Forging or Forming & Machining
Hole Drilling & Surface Treatment
Quality Control & Marking, Identification
Final Inspection and Packaging
| Standard | ASTM B462 / ASME SB462 |
| Dimensions | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Flange Size Chart | 1/2" (15 NB) to 48" (1200NB), DN10~DN5000 |
| Pressure Rating | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| JIS | 16 K, 5K, 10 K, 20 K, 30 K, 40 K, 63 K |
| Flange Connection / Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove, Flange Pipe. |
| Origin | West Europe / Japan / Indian / USA / Korean |
| Types of Flanges | Threaded / Screwed / Forged / Plate |
| Coating | Yellow Transparent, Zinc Plated, Anti-rust Paint, Oil Black Paint, Cold and Hot Dip Galvanized |
| Test Of Flange | Direct-reading Spectrograph, Ultrasonic flaw detector, Magnetic particle detector, X-ray detector, Hydrostatic testing machine. |
| Production technique Used | Heat treated, Forged and Machined |
| Equipment | Press machine, Bending machine, Pushing Machine, Sand-blasting machine, electric bevelling machine etc. |
| Test Certificates | EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc |
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Alloy 20 Slip On Flanges
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Alloy 20 Weld Neck Flanges
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Alloy 20 Blind Flanges
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Alloy 20 Socket weld Flanges
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Incoloy® alloy 20 Threaded Flanges
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Alloy 20 Lap Joint Flagnes
- ASTM B462 Carpenter 20 Flange
- Alloy 20 BLRF Flanges
- UNS N08020 Flanges
- Incoloy® alloy 20 Flanges
- Carpenter 20 Pipe Flanges
- Alloy 20 SORF Flange
- Alloy 20 Flat Face Flange
- Alloy 20 Flange Price List
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- Incoloy® alloy 20 Spectacle Blind Flange
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- Alloy 20 Industrial Flanges
- Alloy 20 RTJ Flange
- ANSI B16.5 Alloy 20Cb-3® WNRF FLange
- Incoloy® alloy 20 BS 4504 Flanges
- ASME B16.5 Alloy 20 Screwed Flanges
- Carpenter 20 Forged Flange
- Alloy 20 Slip on Flanges
- Alloy 20 Ring Type Joint Flange
- Alloy 20 Plate Flanges
- ANSI B16.36 Alloy 20Cb-3® Orifice Flange
- ASME SB462 Alloy 20 SWRF Flanges
- Alloy 20 Weld Neck Flanges
- Alloy 2.4660 Flange
- Carpenter 20 JIS B2220 Flange
- Incoloy® alloy 20 Raised Face Blind Flange
- Alloy 20 Reducing Flanges
| STANDARD | WERKSTOFF NR. | UNS | EN | AFNOR |
| Alloy 20 | 2.4660 | N08020 | NiCr20CuMo | Z2NCUD31-20AZ |
| Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
| Alloy 20 | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.00 – 4.00 | 32.00 – 38.00 | 19.00 – 21.00 | 29.85 min* | 2.00 – 3.00 | 0.045 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi - 35,000, MPa - 241 | 30 % |
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