Overview
ASTM A182 F53 Flange is a high strength flange that has 550MPa minimum yield strength and 800MPa minimum tensile strength. There are different types of flanges such as slip on flanges, socket weld flanges, forged flanges, blind flanges, reducing flanges and many by their functions. The flanges could also be manufactured as screwed, threaded or forged types. The forged flanges are made from a single piece of raw material. These are also called the cast flanges.
The flange A182 F53 can also differ in the face type as flat face, raised face and ring type joint flanges. The flat face flanges have flat faces which allow them to be applied in narrow spaces where the raised face flanges have much surface for bolting and welding connections. The ring type joint flanges are welded to different pipe ends in two halves and them brought together with welding for maximum tightness. The ASTM A182 F53 vs F55 can come in different diameters ranging from ½ inches to 48 inches with different pressure classes ranging from class 150 through class 2500.
The pressure capacities of the flanges can also be expressed in pressure numbers. The ASTM A182 F53 UNS S32750 flange types come in pressure numbers ranging from PN6 through PN64. The applications include high corrosive applications including acidic applications due to the material composition. The ASTM A182 F53 material has carbon, manganese, phosphorus, silicon, 24% chromium, 6% nickel, 3% molybdenum and nickel and copper. This provides the flanges with high corrosion resistance and higher mechanical properties.
Specification
ASTM A182/A182M-21 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service.
Specification | ASTM A182 / ASME SA182 F53 |
|---|---|
UNS Grade | UNS S31803, S32205, S2205, S32550, S32750, S32760. |
Size | 1/2"(15 NB) to 48"(1200NB) DN10~DN5000 |
Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, |
Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| EN 10204/3.1B |
Equivalent Grades Super Duplex F53 Flanges
STANDARD | WERKSTOFF NR. | UNS |
Super Duplex F53 | 1.4410 | S32750 |
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Super Duplex F53 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24-26 | 3-5 | 6-8 | 0.24-0.32 | 58.095 min |
Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
Applications
- 1. Petrochemical Industry
- 2. Chemical Industry
- 3. Nuclear Power Plant Industry
- 4. Oil and Gas Industry
- 5. Research & Development
- 6. Mega Projects & Defense & Development Industries
- 7. Pulp & Paper Industry
