ASTM A182 F11 Weld Neck Flange WNRF ASME B16.5 B16.47 Manufacturer: High-Quality Flanges for Critical Applications
As a leading ASTM A182 F11 Weld Neck Flange WNRF manufacturer, we specialize in producing high-performance flanges that are compliant with ASME B16.5 and ASME B16.47 standards. Our ASTM A182 F11 flanges are designed for critical applications in industries such as power generation, petrochemical, chemical, and oil & gas, where strength, durability, and high-temperature resistance are paramount.
Why Choose Our ASTM A182 F11 Weld Neck Flange?
- Superior Material Properties
ASTM A182 F11 is a chromium-molybdenum alloy steel that offers excellent strength and resistance to high-temperature environments, making it suitable for power generation and high-pressure piping systems. This alloy provides enhanced resistance to oxidation, creep, and fatigue under extreme conditions. - Compliance with Industry Standards
Our ASTM A182 F11 Weld Neck Flanges (WNRF) are manufactured according to ASME B16.5 and ASME B16.47 standards. These standards ensure that the flanges meet the highest quality and safety specifications for pressure vessels, piping systems, and other industrial applications. - High-Temperature and Pressure Resistance
ASTM A182 F11 flanges are designed to withstand high temperatures and pressures, making them ideal for use in steam pipelines, reactors, and other systems that operate under extreme conditions. With excellent creep resistance and the ability to perform in high-stress environments, these flanges ensure the long-term durability and reliability of your piping system. - Precision Manufacturing and Customization
As a trusted flange manufacturer, we offer custom manufacturing options to meet your specific requirements. Whether you need special sizes, pressure ratings, or custom configurations, we provide tailored solutions to ensure optimal performance and fit for your project. - Corrosion Resistance
The chromium-molybdenum composition of ASTM A182 F11 flanges provides excellent corrosion resistance, especially in high-temperature environments. This makes them highly suitable for industries where exposure to corrosive elements is a concern.
Applications of ASTM A182 F11 Weld Neck Flange WNRF
ASTM A182 F11 Weld Neck Flanges WNRF are commonly used in high-pressure and high-temperature piping systems across a range of industries. Key applications include:
- Power Generation: Used in boilers, steam turbines, and other equipment exposed to high temperatures and pressure.
- Oil and Gas: Suitable for offshore and onshore drilling, refineries, and petrochemical plants, where high strength and resistance to corrosion are critical.
- Petrochemical and Chemical Processing: Ideal for reactors, pipelines, and pressure vessels where materials must withstand aggressive chemicals and high temperatures.
- Aerospace and Military: For critical components in gas turbines and high-stress, high-temperature environments.
ASTM A182 F11 Weld Neck Flange Technical Specifications
| Specification | Value |
|---|---|
| Material | ASTM A182 F11 (Cr-Mo Alloy Steel) |
| Standards | ASME B16.5, ASME B16.47 |
| Pressure Rating | Class 150,300,600,900,1500,Cl 2500 |
| Face Type | Raised Face (RF) or Ring Joint Type |
| Flange Size | From 1/2″ to 60″ and above |
| Thickness | Pipe wall thickness |
| Temperature Range | Suitable for high-temperature applications up to 700°F (370°C) |
| Weld Type | Butt weld ASME B16.25 |
ASTM A182 / A182M – Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
Download ASTM A182 2024 pdf
ASTM A182 Flange Types Available
Available types:
- ASTM A182 F11 Weld Neck Flange (WN)
- ASTM A182 F11 Blind Flange (BL)
- Slip-On Flange (SO)
- Socket Weld Flange (SW)
- Threaded Flange (TH)
- Lap Joint Flange (LJ)
- Orifice Flanges
ASTM A182 F11 Heat treatment requirement
| Grade | Heat Treat Type | Austenitizing/Solution Heat Treatment Temperature, Minimum or Range, °F [°C] | Cooling Media | Quenching Cool Below °F [°C] | Tempering Temperature, Minimum or Range, °F [°C] |
| Low Alloy Steels | |||||
| F 11, Class 1, 2, 3 | anneal | 1650 [900] | furnace cool | — | — |
| normalize and temper | 1650 [900] | air cool | — | 1150 [620] |
ASTM A182 F11 Chemical Composition
Chemical heat analysis shall be performed and consistent with the chemical composition requirements of Table 1.
Grades that add lead, selenium or other elements to make the material easier machined, it should not be used.
| Grade/Identification Symbol | UNS Designation | Composition, % | ||||||||||
| Carbon | Manganese | Phosphorus | Sulfur | Silicon | Nickel | Chromium | Molybdenum | Niobium | Titanium | Other Elements | ||
| F 11 | K11597 | 0.05–0.15 | 0.30–0.60 | 0.03 | 0.03 | 0.50–1.00 | … | 1.00–1.50 | 0.44–0.65 | … | … | … |
| Class 1 | ||||||||||||
| F 11 | K11572 | 0.10–0.20 | 0.30–0.80 | 0.04 | 0.04 | 0.50–1.00 | … | 1.00–1.50 | 0.44–0.65 | … | … | … |
| Class 2 | ||||||||||||
| F 11 | K11572 | 0.10–0.20 | 0.30–0.80 | 0.04 | 0.04 | 0.50–1.00 | … | 1.00–1.50 | 0.44–0.65 | … | … | … |
| Class 3 | ||||||||||||
Tensile and Hardness Requirements of ASTM A182 F11 Material
| Grade Symbol | Tensile Strength, min, ksi [MPa] | Yield Strength, min, ksi [MPa]<sup>B</sup> | Elongation in 2 in. [50 mm] or 4D, min, % | Reduction of Area, min, % | Brinell Hardness Number, HBW, unless otherwise indicated |
| F 11 Class 1 | 60 [415] | 30 [205] | 20 | 45 | 121–174 |
| F 11 Class 2 | 70 [485] | 40 [275] | 20 | 30 | 143–207 |
| F 11 Class 3 | 75 [515] | 45 [310] | 20 | 30 | 156–207 |
ASTM A182 F11Alloy steel flanges Marking Requirements
Each flange is marked with:
- ASTM A182
- Grade F11
- Heat number
- Pressure rating (e.g., 600#)
- Manufacturer’s logo
- Size and schedule
ASTM A182 F11 Weld Neck Flanges WNRF are essential components for high-temperature, high-pressure applications in industries like power generation, oil & gas, petrochemical, and aerospace. With excellent strength, corrosion resistance, and weldability, they provide a secure and reliable solution for critical systems. As an experienced flange manufacturer, we offer customized, high-quality ASTM A182 F11 flanges that meet your specifications, ensuring long-term performance and durability for your piping systems.
Contact us today for your ASTM A182 F11 Weld Neck Flange WNRF requirements, and let us provide you with the best solution for your high-performance applications.
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Download ASTM A182 F11 Flange specification
Download the Dimension of ASME B16.5 Weld neck Flange
⬇️ Download Dimension of Weld Neck flanges Class 150 lbs ASME B16.5 PDF
⬇️ Download Dimension of Weld Neck flanges Class 300 lbs ASME B16.5 PDF
⬇️ Download Dimension of Weld Neck flanges Class 400 lbs ASME B16.5 PDF
⬇️ Download Dimension of Weld Neck flanges Class 600 lbs ASME B16.5 PDF
⬇️ Download Dimension of Weld Neck flanges Class 900 lbs ASME B16.5 PDF
⬇️ Download Dimension of Weld Neck flanges Class 1500 lbs ASME B16.5 PDF
⬇️ Download Dimension of Weld Neck flanges Class 2500 lbs ASME B16.5 PDF
