Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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Stainless Steel Flanges ASTM A182 F321H, UNS S32109 Weld Neck Raised Face Flanges B16.47
ASTM A182 F321, 321H Stainless Steel Flanges are made up of a titanium stabilized chromium nickel austenitic stainless steel which is resistant to intergranular corrosion. The addtion of titanium makes the steel strong and e against intergranular corrosion at temperature ranging from 425 Degrees to 850 Degrees Celsius.
| Specifications | ASTM A182, ASME SA182 |
| Size Range | 1/2″ to 48″, DN10~DN5000 |
| Standards | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges, ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Main Types | Forged / Threaded / Screwed / Plate |
| Types | Blind Ring Flange (BLRF) Lap Joint Ring Flange (LJRF) Socket Weld Ring Flange (SWRF) Threaded Ring Flange Weld Neck Ring Flange (WNRF) Slip-On Ring Flange (SORF) Ring Type Joint Flange (RTJF) |
| Production Technique | Forged, Heat treated and Machined |
| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Flat Face (FF), Lap-Joint Face (LJF), Raised Face (RF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue, Groove |
Equivalent Grades:
| STANDARD | UNS | WERKSTOFF NR. |
| SS321H | S32109 | 1.4878 |
Chemical Composition:
| C | Mn | Si | P | S | Cr | N | Ni | Ti |
| 0.04 - 0.1 | 2 max | 1 max | 0.045 max | 0.03 max | 17 - 19 | 0.1 max | 9 - 12 | 4(C+N) - 0.7 max |
Mechanical Properties:
| Density | 8000 kg/m3 |
| Yield Strength (0.2%Offset), min | Psi – 30000 , MPa – 205 |
| Tensile Strength, min | Psi – 75000 , MPa – 515 |
| Melting Point, min | 1454 °C (2650 °F) |
| Elongation, min | 35 % |
Applications:
Oil and Gas Industries
Food Processing Industries
Pipeline Equipments
Power Industries
Ship Building Equipments
Paper and Pulp Plants
Cement Industries
Chemical Industries