Grade F5 is a type of alloy steel that is intended to be used for applications with elevated temperatures. Available in various classes and different sizes, one of the most common specifications followed by manufacturers across the globe is ASTM A182. In addition to this ASTM specification, producers also use Asme B16.5 as a standard during the manufacture of flange components.
While the characteristics of alloy steels like ASTM A182 Grade F5 Flanges are already placed at a significantly higher level than that of carbon steel grades, the use of heat treatment to process them yields better mechanical properties. It is typical for these wrought grade materials to be supplied in an annealed, or normalized condition. Normalizing does two things to steel. First, the impurities are eliminated, and second, the Astm A182 F5 Threaded Flange gains higher levels of both hardness and strength. Normalizing also makes the grain of alloy steel more uniform. Similar to normalizing, annealing carried out on the Sa A182 F5 Material makes the grains more homogenous, improving their ductility and agility. This in turn helps the producer form durable, tough and sustainable good quality Asme B16.5 Alloy Steel F5 Flanges with optimized hardness. Tempering is a process that is necessary to seal the deal in alloy steel grades, especially since they improve the strength, and cause a reduction in the embrittlement of the alloy by lowering its hardness. A hard alloy tends to be brittle and hence, won’t be able to perform as desired or worse, cause failure. The chemical composition of the Astm A182 F5 Slip On Flange includes chromium and small quantities of both manganese and silicon, which are known to impart toughness to the alloy. Although the corrosion resistance of this alloy is not at par with stainless steel alloys, the Alloy Steel F5 Flanges exhibit good resistance to atmospheric corrosion.
| Specifications list | ASTM A182 and ASME SA182 |
|---|---|
| size range | 1/2 Inch to 48 Inch |
| Alloy Steel F9 Flanges Standards | ASME, BS, DIN, EN, GOST, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI, |
| Standard DIN | 6, 10, 16, 25, 40 Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Standard ANSI | Class 150 to 2500 LBS |
| Standard UNI | 6, 10, 16, 25, 40 Bar |
| Standard JIS | 5, 10, 16 20, 30, 40, 63 K |
| Standard EN | 6, 10, 16, 25, 40 Bar |
| Main Types | Screwed / Forged / Threaded / Plate |
| Flange supporting material | Ring Joint, Gasket, Flange Bolts |
| Flange Face Type | Ring Type Joint, Lap-Joint Face, Raised Face, Flat Face, Small Tongue, Large Male-Female, Small Male-Female, Large Tongue & Groove Flanges manufacturer and Supplier |
| Flanges Marking | All Flanges are marked as follows: Supplier or Manufacturer’s Name, Size, Class, Bore, Dimension, Material, Heat No. Or according to the customer’s request. |
Alloy steel ASTM A182 GR F5 BL flange
ASTM A182 F5 alloy steel blind flange
2 Inch, 300#, SCH 80 Alloy F5 Orifice Flange
10 Inch, 600#, API 590, FF, A182 F5 Class 2 SORF Flanges
ASTM A182 F5 weld neck alloy steel flange
A182 F5 Flange 14 Inch ANSI B16.5 SW RF FF RTJ flange class 150 to 2500
2 Inch, CL1500, A182 F5 Blind Flange
Alloy Steel ASTM A182 F5 weld neck Flange
20 Inch, Class 150, SA 182 Gr F5 Spectacle Blind Flange
3 In, Class 300, SCH 40, Raised Face, ASTM A182 F5 Weld Neck Orifice Flange
F5 RFWN Flange Raised Face Weld neck Flange
ASTM A182 F5 Alloy Steel Flange
| Grade | Carbon | Silicon | Manganese | Sulfur | Phosphorus | Molybdenum | Chromium |
| A182 F5 | 0.15 | 0.5 | 0.3 To 0.6 | 0.03 | 0.03 | 0.044 To 0.65 | 4 To 6 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A182 F5 | 275 | 485 | 20 |
| Pipe Normal Diam. | Outer diameter Flange | Thickness Of Flange Min | diameter of Hub |
Diameter of Raised Face | Length Hub.Y | Thread Length | diameter of Bolt Circle |
diameter of Bolt Holes |
Number of Bolts |
diameter of Bolts (inch) |
KG | LB | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | dn | O | C | X | G | Y | T | BC | BH | BN | BD | ||
| 1/2" | 15 | 89.00 | 11.20 | 30.20 | 35.10 | 15.70 | 15.70 | 60.50 | 15.80 | 4 | 1/2" | 0.4 | 0.9 |
| 2" | 50 | 152.50 | 19.10 | 77.70 | 91.90 | 25.40 | 25.40 | 120.70 | 19.10 | 4 | 5/8" | 2.3 | 5.1 |
| 1" | 25 | 108.00 | 14.20 | 49.30 | 50.80 | 17.50 | 17.50 | 79.30 | 15.80 | 4 | 1/2" | 0.8 | 1.8 |
| 1-1/4" | 32 | 117.50 | 15.70 | 58.70 | 63.50 | 20.60 | 20.60 | 88.90 | 15.80 | 4 | 1/2" | 1.2 | 2.6 |
| 3/4" | 20 | 98.50 | 12.70 | 38.10 | 42.90 | 15.70 | 15.70 | 69.90 | 15.80 | 4 | 1/2" | 0.7 | 1.5 |
| 1-1/2" | 40 | 127.00 | 17.50 | 65.00 | 73.20 | 22.40 | 22.40 | 98.60 | 15.80 | 4 | 1/2" | 1.5 | 3.3 |
| 2-1/2" | 65 | 178.00 | 22.40 | 90.40 | 104.60 | 28.40 | 28.40 | 139.70 | 19.10 | 4 | 5/8" | 3.7 | 8.1 |
| 3" | 80 | 190.50 | 23.90 | 108.00 | 127.00 | 30.20 | 30.20 | 152.40 | 19.10 | 4 | 5/8" | 4.1 | 9 |
| 4" | 100 | 228.50 | 23.90 | 134.90 | 157.20 | 33.30 | 33.30 | 190.50 | 19.10 | 8 | 5/8" | 5.9 | 13 |
| 5" | 125 | 254.00 | 23.90 | 163.60 | 185.70 | 36.60 | 36.60 | 215.90 | 22.40 | 8 | 3/4" | 7 | 15.4 |
| 6" | 150 | 279.50 | 25.40 | 192.00 | 215.90 | 39.60 | 39.60 | 241.30 | 22.40 | 8 | 3/4" | 8.4 | 18.5 |
| 3-1/2" | 90 | 216.00 | 23.90 | 122.20 | 139.70 | 31.80 | 31.80 | 177.80 | 19.10 | 8 | 5/8" | 5.1 | 11.2 |
| 8" | 200 | 343.00 | 28.40 | 246.10 | 269.70 | 44.50 | 44.50 | 298.50 | 22.40 | 8 | 3/4" | 13 | 28.6 |
| 10" | 250 | 406.50 | 30.20 | 304.80 | 323.90 | 49.30 | 49.30 | 362.00 | 25.40 | 12 | 7/8" | 18 | 39.5 |
| 12" | 300 | 482.50 | 31.80 | 365.30 | 381.00 | 55.60 | 55.60 | 431.80 | 25.40 | 12 | 7/8" | 29 | 64 |
| 16" | 400 | 597.00 | 36.60 | 457.20 | 469.90 | 63.50 | 63.50 | 539.80 | 28.50 | 16 | 1" | 47 | 103 |
| 18" | 450 | 635.00 | 39.60 | 505.00 | 533.40 | 68.30 | 68.30 | 577.90 | 31.80 | 16 | 1 1/8" | 57 | 126 |
| 20" | 500 | 698.50 | 42.90 | 558.80 | 584.20 | 73.20 | 73.20 | 635.00 | 31.80 | 20 | 1 1/8" | 76 | 167 |
| 14" | 350 | 533.50 | 35.10 | 400.10 | 412.80 | 57.20 | 57.20 | 476.30 | 28.50 | 12 | 1" | 39 | 86 |
| 24" | 600 | 813.00 | 47.80 | 663.40 | 692.20 | 82.60 | 82.60 | 749.30 | 35.10 | 20 | 1 1/4" | 97 | 214 |