ASTM A182 F53 WNRF Flange Class 150 To 2500 High Pressure Pipe Connection
Price:
Negotiable
MOQ:
1pcs
Delivery Time:
According to quantity
Brand:
YUHONG
Product Description
ASTM A182 F53 Super Duplex Stainless Steel Weld Neck Raised Face Flange
Product Overview
ASTM A182 F53 (UNS S32750) Super Duplex Stainless Steel Weld Neck Raised Face (WNRF) flanges deliver exceptional strength and chloride corrosion resistance. Ideal for offshore, chemical processing, and sour gas pipelines operating at temperatures from -60°C to 300°C. Manufactured under ISO 9001:2015 quality system.
Chemical Composition (Weight %)
| Element | Min | Max | Typical Value |
|---|---|---|---|
| Chromium (Cr) | 24.0% | 26.0% | 25.2% |
| Nickel (Ni) | 6.0% | 8.0% | 7.0% |
| Molybdenum (Mo) | 3.0% | 4.0% | 3.8% |
| Nitrogen (N) | 0.24% | 0.32% | 0.28% |
| Manganese (Mn) | - | 1.2% | 0.5% |
| PREN① | ≥40 | 42 |
Mechanical Properties
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength | ≥ 795 MPa (115 ksi) | ASTM A370 |
| Yield Strength (0.2% Offset) | ≥ 550 MPa (80 ksi) | ASTM A370 |
| Elongation (% in 50mm) | ≥ 15% | ASTM A370 |
| Hardness (Brinell) | ≤ 290 HBW | ASTM E10 |
| Charpy V-Notch Impact | ≥ 100 J @ -46°C | ASTM A370 |
Key Advantages of F53 WNRF Flanges
| Feature | Competitive Edge |
|---|---|
| Corrosion Resistance | Resists pitting/crevice corrosion in seawater (Cl- > 20,000 ppm) |
| Stress Corrosion Cracking (SCC) Resistance | Exceeds NACE MR0175/ISO 15156 requirements for H2S environments |
| High Strength | 2x yield strength vs. 316L stainless steel, enabling thinner/lightweight designs |
| Weldability | Low carbon content (0.03% max) prevents sensitization during welding |
| Dimensional Precision | CNC-machined sealing faces (Ra ≤ 3.2 μm) ensure leak-free ASME B16.5 RF |
Application Fields
Oil & Gas:
- Subsea Christmas tree components
- Sour gas gathering pipelines (H2S partial pressure > 0.3 psi)
- FPSO (Floating Production Storage Offloading) system
Chemical Processing:
- Chlorine dioxide bleaching plants
- Sulfuric acid coolers (65-98% concentration)
Power Generation:
- Seawater-cooled condenser headers
- Flue gas desulfurization (FGD) scrubbers
Desalination Plants:
- High-pressure RO (Reverse Osmosis) membrane housings
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yuhong Group Co.,Ltd
Location
20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
Contact Person
Jikin Cai