ASME B16.5 F2205 Duplex Stainless Steel Forged Flange Class 600 for Offshore Platforms with 450 MPa Yield Strength
Price:
Above 2usd/kg
MOQ:
1pc
Delivery Time:
3 weeks/container
Brand:
SMLSCO
Product Description
Product Overview
ASME B16.5 F2205 stainless steel forged flange Class 600 specifically engineered for demanding offshore platform applications. This high-performance component delivers exceptional corrosion resistance and mechanical strength in harsh marine environments.
Technical Specifications
Material & Standards
- Material: Duplex F2205 / UNS S32205
- Standard: ASME B16.5 / ASTM A182
- Pressure Rating: Class 600
- Manufacturing Process: Closed-Die Forging and Machining
Available Flange Types
Weld Neck, Slip-On, Blind, and other configurations available to meet specific application requirements.
Certifications & Quality Assurance
- Certificates: ISO, PED
- 100% PMI material verification
- Penetrant testing (PT) for surface defects
- Precise dimensional verification of weld grooves and sealing surfaces
- Comprehensive quality documentation and traceability
Forging Process Advantages
Our closed-die forging process eliminates internal porosity and refines grain structure, creating uniform metal flow lines that follow the flange contour. This results in superior mechanical properties and fatigue strength compared to casting or cutting methods, making forged flanges the preferred choice for high-pressure offshore applications where safety and reliability are paramount.
Offshore Platform Applications
F2205 forged flanges are essential components for high-pressure, corrosive environments on offshore oil and gas platforms. The Class 600 pressure rating ensures reliable performance in critical systems including:
- Seawater lifting and cooling systems
- Fire water main pipes
- Sulfide-containing oil and gas processing pipelines
- Subsea pipeline connections
Duplex 2205 Material Properties
Duplex 2205 steel combines exceptional strength with outstanding corrosion resistance. With yield strength approximately double that of 316L austenitic stainless steel, it enables thinner wall designs to reduce platform weight while providing superior resistance to pitting, crevice corrosion, and chloride stress corrosion cracking (SCC) in chloride-rich seawater environments.
Chemical Composition (ASTM A182)
| Element | Content (wt %) |
|---|---|
| Carbon (C) | 0.03 max |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Chromium (Cr) | 22.0 - 23.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 3.0 - 3.5 |
| Nitrogen (N) | 0.14 - 0.20 |
Mechanical Properties (ASTM A182 Minimum)
| Property | Value |
|---|---|
| Tensile Strength | 620 MPa (90 ksi) |
| Yield Strength | 450 MPa (65 ksi) |
| Elongation | 25% |
| Hardness | 293 HBW max |
ASME B16.5 Pressure Class System
The ASME B16.5 standard defines pressure-temperature ratings across six classes: 150, 300, 600, 900, 1500, and 2500. Class 600 represents medium to high pressure capability, specifically designed for demanding conditions in petroleum, chemical, and power generation industries, making it ideal for offshore platform applications.
Commercial Information
- Brand: SMLSCO
- Price Terms: FOB/CFR/CIF, etc.
- Payment: T/T, L/C or negotiable
- Package: Wooden Box
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Get in Touch
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Company
Zhejiang Seamless Pipe Co., Ltd.
Location
No. 501, Changsheng South Road, Jiaxing, Zhejiang, China
Contact Person
Lee