ASTM A182 F310 WN RTJ Face Stainless Steel Pipe Forged Flange for Petrochemical & Power Plants
ASTM A182 F310 WN RTJ Face Stainless Steel Pipe Forged Flange for Petrochemical & Power Plants
YUHONG GROUP is a leading manufacturer of high-performance industrial flanges with over 35 years of expertise in serving the global energy and chemical sectors. Our ASTM A182 F310 Weld Neck RTJ Flanges are precision-engineered for critical applications in petrochemical plants and power generation facilities, combining superior high-temperature resistance with reliable sealing performance under extreme pressure conditions.
Chemical Composition of F310
| Element | Requirement (%) | Notes |
| Carbon (C) | 0.08–0.12 | Controlled carbon range |
| Manganese (Mn) | 0.30–0.60 | |
| Phosphorus (P) | 0.035 max | |
| Sulfur (S) | 0.030 max | |
| Silicon (Si) | 0.60 max | |
| Chromium (Cr) | 24.00–26.00 | High chromium for oxidation resistance |
| Nickel (Ni) | 19.00–22.00 | Austenite stabilizer |
| Copper (Cu) | 0.50 max | |
| Molybdenum (Mo) | 3.00–4.00 | Enhances corrosion resistance |
Heat Treatment Requirements for F310
| Parameter | Requirement | Notes |
| Grade | F310 | Austenitic stainless steel |
| UNS Number | S31000 | |
| Heat Treat Type | Solution treat and quench | |
| Solutioning Temperature | 1900°F [1040°C] | |
| Cooling Media | Liquid | Rapid quenching |
| Quenching Temperature | Below 500°F [260°C] | Must be cool below this temperature |
| Tempering Temperature | Not applicable |
Mechanical Properties of F310
| Property | Requirement | Notes |
| Grade | F310 | Austenitic stainless steel |
| UNS Designation | S31000 | |
| Tensile Strength, min | 75 ksi [515 MPa] | |
| Yield Strength, min | 30 ksi [205 MPa] | 0.2% offset method |
| Elongation in 2 in. or 50 mm, min | 30% | |
| Reduction of Area, min | 50% | |
| Hardness | ... | No specific requirement listed |
ASTM A182 F310 WN RTJ Stainless Steel Flange Application Advantages
- 1. Outstanding high-temperature performance
- 2. Sealing reliability under harsh working conditions
- 3. Wide adaptability to corrosive environments
- 4. Ease of installation and maintenance
- 5. Full life cycle cost advantage
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