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ASTM A182 F321, F321H Forged Stainless Steel Weld Neck Raised Face Flanges DIN2631
ASTM A182 F321 (UNS S32100) Stainless Steel Flange is titanium stabilized austenitic stainless steel with good general corrosion resistance. It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 427 - 816°C. The alloy resists oxidation to 816°C and has higher creep and stress rupture properties than F304 and F304L. It also possesses good low temperature toughness.
ASTM A182 F321 stainless steel flange is an austenitic alloy that helps in increasing the strength and easy attachment of different piping equipments. F321 Stainless Steel Flanges are stabilized with titanium and have outstanding resistance to intergranular corrosion. They also have good corrosion resistance properties. These flanges are efficient in connecting pipes and allow good room for easy modification and cleaning. They have excellent mechanical properties and are durable for long periods.
Specifications:
| Specification | ASTM A182, ASME SA182 |
| Manufacturing Process | Hot Forging / Rolling / Machining |
| Grades | F321, F321H |
| Outer Diameter | 1/2" To 64" |
| Pressure Class | Class 150#, Class 300#, Class 400#, Class 600#, Class 900#, Class 1500#, Class 2500# or As Per Custom Requirement |
| Schedule | SCH 10s To SCH XXS or As Per Custom Requirement |
| Facing | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Dimension | ASME B16.5, ASME B16.47 SERIES A, ASME B16.47 SERIES B, ASME B16.36, BS10, EN1092-1:2013, MSS SP44, ASA, API-605, ISO 7005, ISO 15590-3, DIN 2631--2638, DIN 2573-2576, DIN 2527, DIn 2641-2642, DIN 2565-2566, DIN2502, AWWA, AS2129 TABLE C, D, E, F, J etc.. |
| Flange Types | Welding Neck Flange, Slip On Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Blind Flange, Orifice Flanges, Plate Flange, Long Welding Neck Flanges, Weldoflange, Nipoflange, Expander Flange, Reducing Flange, WNRF Flange, SORF Flange, SWRF Flange, Custom Flange as per Drawing etc. |
Equivalent Grades:
| STANDARD | UNS | WERKSTOFF NR. | EN |
| SS F321 | S32100 | 1.4541 | X6CrNiTi18-10 |
Chemical Composition:
| Ni | 9 – 12 |
| Cr | 17 – 19 |
| C | 0.08 max |
| N | 0.1 max |
| Fe | Balance |
| Mn | 2 max |
| Si | 0.75 max |
| S | 0.03 max |
| P | 0.045 maxi |
| Ti | 5xC – 0.6 |
Mechanical Properties:
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| F321 | 515 | 35 | 205 | 95 | 217 |
Applications:
Fabrication Industry
Oil And Gas Plant
Nuclear Power Plant
Chemical Industry
Natural Gas Industry
Water Pipeline Industry
Marine Equipment
Waste Water Treatment
