Duplex 2205 Flanges
- High Strength
- Excellent Corrosion Resistance
- Good Weldability
High Quality Duplex 2205 Flanges
SSM provides Duplex 2205 flanges, which are known for their excellent corrosion resistance and high strength, making them suitable for demanding environments in industries such as oil and gas, chemical processing, marine, and pulp and paper. Duplex 2205 flanges meet ASTM A182 standards and offer good mechanical properties and corrosion resistance, making them ideal for high-temperature and high-pressure applications.
Our range of Duplex 2205 flanges encompasses various types:
- Types : Weld Neck (WN), Long Weld Neck (LWN), Slip-On (SO), Blind, Lap Joint, Socket Weld (SW), Threaded, and Other Products
- Size: 1/2″ – 48″
- Pressure: 150# – 1500#
- Producing Standard: ASME B16.5, ASME B16.47 Series A & B, EN1092-1:2002, etc.
- Materials: F51 S31803 / F60 S32205
Duplex 2205 Flanges Equivalent Grades
| UNS | EN | ASTM | DIN W.Nr. | AFNOR | JIS |
| S31803 / S32205 | 1.4462 | A182 F51/F60 | 1.4462 | Z3 CN 22-05 AZ | SUS329J3L |
Duplex 2205 Flanges Chemical Composition
| Element | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) | Manganese (Mn) | Silicon (Si) | Carbon (C) | Phosphorus (P) | Sulfur (S) | Nitrogen (N) |
| F51 (UNS S31803) | 21.0-23.0% | 4.5-6.5% | 2.5-3.5% | 2.0% max | 1.0% max | 0.030% max | 0.030% max | 0.020% max | 0.08-0.20% |
| F60 (UNS S32205) | 22.0-23.0% | 4.5-6.5% | 3.0-3.5% | 2.0% max | 1.0% max | 0.030% max | 0.030% max | 0.020% max | 0.14-0.20% |
Duplex 2205 Flanges Mechanical Properties
| Property | Tensile Strength | Yield Strength | Elongation | Hardness (Brinell) |
| F51 (UNS S31803) | 620 MPa min (90 ksi min) | 450 MPa min (65 ksi min) | 25% min | 290 max |
| F60 (UNS S32205) | 655 MPa min (95 ksi min) | 485 MPa min (70 ksi min) | 25% min | 290 max |
Duplex 2205 Flanges Physical Properties
| Property | Density | Thermal Conductivity | Specific Heat Capacity | Electrical Resistivity | Coefficient of Thermal Expansion |
| F51 (UNS S31803) | Approximately 7.8 g/cm³ | 15 W/m·K | 500 J/kg·K | 0.74 µΩ·m | 13.0 µm/m·K |
| F60 (UNS S32205) | Approximately 7.8 g/cm³ | 15 W/m·K | 500 J/kg·K | 0.74 µΩ·m | 13.0 µm/m·K |
Advantages of Duplex 2205 Flanges
Superior Corrosion Resistance
Duplex 2205 flanges offer excellent resistance to various types of corrosion, including pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich environments.
High Strength
These flanges provide significantly higher tensile and yield strength compared to austenitic stainless steels like 304 and 316, allowing for reduced wall thickness and weight in some applications.
Good Weldability
Duplex 2205 flanges can be welded with standard welding techniques without the need for post-weld heat treatment, maintaining good mechanical properties and corrosion resistance after welding.
Cost-Effective
The combination of high strength and excellent corrosion resistance makes Duplex 2205 flanges a cost-effective choice, as they offer long service life and reduced maintenance costs, especially in harsh environments.
Duplex 2205 Flanges Applications
Duplex 2205 flanges are widely used in various industries due to their high strength and excellent corrosion resistance. Here are some common applications:
- Chemical Processing
- Marine and Shipbuilding
- Oil and Gas Industry
- Petrochemical Industry
- Pulp and Paper Industry
- Desalination Plants
- Power Generation
- Food and Beverage Industry
One-Stop Flange Provider for All Your Needs
SSM has significant product advantages in manufacturing Duplex 2205 Flanges . Whether it’s quality or price, we will meet your needs.
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FAQ
Duplex 2205 is a type of duplex stainless steel known for its high strength and excellent corrosion resistance. It combines the properties of both austenitic and ferritic stainless steels, offering enhanced performance in harsh environments.
In ASTM A182, Duplex 2205 is referred to by its UNS (Unified Numbering System) designation, which is UNS S31803 or UNS S32205. These are the material grades used for duplex stainless steel in this specification, where S31803 is the standard version, and S32205 is an enhanced version with slightly higher nitrogen content, providing better corrosion resistance.
Yes, Duplex 2205 flanges can be welded using standard welding techniques. It is important to follow proper welding procedures to prevent issues such as cracking and to maintain the material’s properties.
Regular inspection and maintenance are recommended to ensure that Duplex 2205 flanges remain free from damage and corrosion. It is also crucial to handle and install them properly to avoid mechanical stresses and damage.
Duplex 2205 offers a balanced combination of strength and corrosion resistance, making it a versatile choice. Compared to other duplex steels, it provides higher resistance to chloride-induced stress corrosion cracking and greater strength.
Summary
SSM offers Duplex 2205 flanges, which are designed to deliver exceptional performance in demanding environments. Known for their high strength and outstanding corrosion resistance, these flanges are ideal for applications in the oil and gas industry, chemical processing, and marine systems. Constructed from high-alloy duplex stainless steel, Duplex 2205 flanges excel in resisting pitting, crevice corrosion, and stress corrosion cracking. They maintain their mechanical integrity and durability even under high-pressure and elevated temperature conditions, making them a reliable choice for various industrial applications.
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