ASTM B564 UNS N10276 Nickel Alloy Slip On Flange / Hastelloy C276 SORF Flange
ASTM B564 UNS N10276 / Hastelloy C276 Nickel Alloy Flange SORF Flange
Hastelloy C-276 Its exceptional resistance to corrosive environments, high temperature tolerance, and versatility in applications make it an ideal choice in the chemical processing, aerospace, and marine industries. Slip-on flanges are designed to fit over the pipe, welded both inside and outside. This makes them easier to align and install compared to weld neck flanges. They require less precise machining, which can speed up the installation process. This double-welding approach enhances the strength and leak resistance of the joint, making it suitable for high-pressure applications
Equivalent Grades for ASTM B564 Hastelloy C276 Nickel Alloy Forged Flange
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | OR | GOST |
| Hastelloy C276 | N10276 | 2.4819 | - | NiMo16Cr15W | NW 0276 | ЭП760 | ХН65МВУ |
ASTM B564 Hastelloy C276 Nickel Alloy Forged Flange Chemical Composition
| Hastelloy C276 | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr |
| Balance | 0.010 max | 15.00 – 17.00 | 1.00 max | 0.08 max | 4.00 – 7.00 | 0.04 max | 0.03 max | 2.5 max | 14.50 – 16.50 |
ASTM B564 Hastelloy C276 Nickel Alloy Forged Flange Mechanical Properties
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 52,000 , MPa – 355 | Psi – 1,15,000 , MPa – 790 | 40 % |
Hastelloy Slip On Flange Specification
| Specification : | Hastelloy C276 Flanges |
| Production Process: | Heat Treated, Machined, Forged |
| Standards: | ISO Flanges, GOST Flanges, UNI Flanges, AWWA Flanges, MSS SP44 Flanges, ASME B16.5 Flanges, ASME B16.38 Flanges, EN-1092 Flanges, BS10 Flanges, DIN Flanges, PN Flanges, JIS Flanges, ASME B16.47 (Series A, Series B) Flanges |
| Pressure Rating Table: | Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS |
| Connect Type: | RF, FF, RTJ, LMF, SMF, LJF |
| Size Chart : | 1/2″ (15 NB) To 48″ (1200NB) |
| Common Types of Flange : | Flanges 150 LB WNRF Class 300 RTJ 600# BLRF Class 900 SORF |
| Design For Size: | PN, DIN, JIS, ANSI, EN, ASA, ASME, BS |
| Flange Machining Equipment: | Bending machine, Pushing Machine, Sand-blasting machine, Press machine, electric bevelling machine etc |
Comparison of Hastelloy C-276 Flanges with Other Materials
| Material | Advantages | Disadvantages |
|---|---|---|
| Hastelloy C-276 | - Exceptional Corrosion Resistance: Superior against pitting, crevice corrosion, and stress corrosion cracking. <br> - High-Temperature Stability: Stays strong at elevated temperatures. <br> - Versatile Usage: Suitable for various aggressive chemical environments. | - Cost: Generally more expensive than other materials like carbon steel or stainless steel. <br> - Machining Difficulty: Can be challenging to machine due to toughness. <br> - Limited Availability: Not as widely available as other common materials. |
| Stainless Steel (e.g., 316L) | - Good Corrosion Resistance: Adequate resistance to rust and corrosion in many environments. <br> - Cost-Effective: Generally cheaper and more readily available than Hastelloy. <br> - Ease of Fabrication: Easier to machine and weld. | - Limited High-Temperature Performance: Less effective than Hastelloy C-276 in high-temperature applications. <br> - Susceptibility to Certain Corrosives: Can fail in chlorinated environments and under certain conditions. |
| Carbon Steel | - Low Cost: One of the most economical materials for flanges. <br> - Good Strength: High strength and toughness. <br> - Widespread Availability: Commonly used and readily available in many forms. | - Corrosion Issues: Prone to rusting and corrosion, especially in acidic or saline environments. <br> - Higher Maintenance: Often requires protective coatings or regular maintenance to prevent corrosion. |
| Inconel (e.g., 625) | - High-Temperature Strength: Excellent performance in high-temperature environments. <br> - Corrosion Resistance: Great resistance to oxidation and many corrosive environments. | - Cost: Generally high; often more expensive than Hastelloy C-276. <br> - Machining: Like Hastelloy, can be tough to machine, requiring careful handling. |
| Monel | - Corrosion Resistance: Good resistance to seawater and many acids. <br> - Stress Corrosion Cracking Resistance: Better resistance to stress corrosion cracking than stainless steels. | - Cost: Can be costly, depending on the market. <br> - Lower Temperature Stability: Not as stable as Hastelloy C-276 at extremely high temperatures. |
Applications of Hastelloy C276 Flanges
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Chemical Processing
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Petrochemical Industry
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Oil and Gas Industry
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Power Generation
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Pharmaceutical Industry
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Waste Treatment and Pollution Control
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