Phanuphong Steel and Plates stands out as a top manufacturer and supplier based in Bangkok, Thailand, providing an extensive selection of high-quality steel products tailored for industrial use. One of their standout offerings, the Alloy Steel F5 Flanges, is well-known for its impressive strength, durability, and precision engineering. These flanges are crafted to perform reliably even in high-pressure and high-temperature environments, making them vital for critical sectors like oil and gas, petrochemical, power generation, and chemical processing. Phanuphong Steel is committed to delivering superior material quality, precise dimensions, and prompt delivery, solidifying its reputation as a trusted partner for both local and international industrial and infrastructure projects.
The Alloy Steel F5 Flanges are primarily made from carbon steel, enhanced with elements like chromium, molybdenum, and manganese, which contribute to their exceptional strength, hardness, and resistance to corrosion. On a mechanical level, they boast high tensile and yield strength, toughness, and resistance to wear, oxidation, and thermal stress. These flanges ensure reliable structural integrity and long-lasting durability, even under challenging conditions. Their robust makeup and mechanical characteristics make Alloy Steel F5 Flanges ideal for high-pressure and high-temperature applications where safety, performance, and operational reliability are paramount.
Alloy Steel Flanges Specification :Â ASTM A182 / ASME SA182
Dimension Standard :Â ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard :Â ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size :Â 1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure :Â 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type :Â Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges :Â DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS Flanges :Â JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges :Â BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.
| Grade | C | Mn | P | S | Si | Ni | Ch | Mo | Cb |
|---|---|---|---|---|---|---|---|---|---|
| F5 | 0.25 | 0.60 | 0.040 | 0.030 | 0.50 | 0.50 | 4.0-6.0 | 0.44-0.65 | – |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| F5 | 485 | 275 | 20 | – | 143-217 |
| STANDARD | UNS | WERKSTOFF NR. |
|---|---|---|
| Alloy Steel F5 | K41545 | 1.7362 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Normal Size Of Steel Pipe | (Inner Daimeter) | (Outer Diameter) | (Bolts Circle) | Raised (R) | Raised Face (RF) | Hight For (H) | Raised Face WT | Thick1 | FF (Flat Face) (Thick2) | B.C. For (Bolts Holes) | B.H. Number (Bolt Hole) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 0.88 | 3.50 | 2.38 | 1.38 | .063 | 1.19 | .62 | .38 | .56 | .62 | 4 |
| 3/4 | 1.09 | 3.88 | 2.75 | 1.69 | .063 | 1.50 | .62 | .44 | .56 | .62 | 4 |
| 1 | 1.36 | 4.25 | 3.12 | 2.00 | .063 | 1.94 | .69 | .50 | .63 | .62 | 4 |
| 1-1/4 | 1.70 | 4.62 | 3.50 | 2.50 | .063 | 2.31 | .81 | .56 | .75 | .62 | 4 |
| 1-1/2 | 1.97 | 5.00 | 3.88 | 2.88 | .063 | 2.56 | .88 | .62 | .82 | .62 | 4 |
| 2 | 2.44 | 6.00 | 4.75 | 3.62 | .063 | 3.06 | 1.00 | .69 | .94 | .75 | 4 |
| 2-1/2 | 2.94 | 7.00 | 5.50 | 4.12 | .063 | 3.56 | 1.12 | .82 | 1.06 | .75 | 4 |
| 3 | 3.57 | 7.50 | 6.00 | 5.00 | .063 | 4.25 | 1.19 | .88 | 1.13 | .75 | 4 |
| 3-1/2 | 4.07 | 8.50 | 7.00 | 5.50 | .063 | 4.81 | 1.25 | .88 | 1.19 | .75 | 8 |
| 4 | 4.57 | 9.00 | 7.50 | 6.19 | .063 | 5.31 | 1.31 | .88 | 1.25 | .75 | 8 |
| 5 | 5.66 | 10.00 | 8.50 | 7.31 | .063 | 6.44 | 1.44 | .88 | 1.38 | .88 | 8 |
| 6 | 6.72 | 11.00 | 9.50 | 8.50 | .063 | 7.56 | 1.56 | .94 | 1.50 | .88 | 8 |
| 8 | 8.72 | 13.50 | 11.75 | 10.62 | .063 | 9.69 | 1.75 | 1.06 | 1.69 | .88 | 8 |
| 10 | 10.88 | 16.00 | 14.25 | 12.75 | .063 | 12.00 | 1.94 | 1.13 | 1.88 | 1.00 | 12 |
| 12 | 12.88 | 19.00 | 17.00 | 15.00 | .063 | 14.38 | 2.19 | 1.19 | 2.13 | 1.00 | 12 |
| 14 | 14.14 | 21.00 | 18.75 | 16.25 | .063 | 15.75 | 2.25 | 1.32 | 2.19 | 1.12 | 12 |
| 16 | 16.16 | 23.50 | 21.25 | 18.50 | .063 | 18.00 | 2.50 | 1.38 | 2.44 | 1.12 | 16 |
| 18 | 18.18 | 25.00 | 22.75 | 21.00 | .063 | 19.88 | 2.69 | 1.50 | 2.63 | 1.25 | 16 |
| 20 | 20.20 | 27.50 | 25.00 | 23.00 | .063 | 22.00 | 2.88 | 1.63 | 2.83 | 1.25 | 20 |
| 22 | 22.22 | 29.50 | 27.25 | 25.25 | .063 | 24.25 | 3.13 | 1.75 | 3.07 | 1.38 | 20 |
| 24 | 24.25 | 32.00 | 29.50 | 27.25 | .063 | 26.12 | 3.25 | 1.82 | 3.19 | 1.38 | 20 |
Phanuphong Steel is a top manufacturer and supplier of high-quality Alloy Steel F5 Flanges products in Bangkok, Thailand. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.
You’ll find Alloy Steel F5 Flanges commonly used in oil and gas pipelines, petrochemical facilities, power generation systems, and chemical processing units. They are perfect for connecting pipes, valves, pumps, and other equipment within critical piping networks. Thanks to their mechanical strength, corrosion resistance, and durability, these flanges are well-suited for fabrication, structural, and industrial engineering tasks in demanding environments. With a long service life and consistent performance in extreme conditions, Alloy Steel F5 Flanges are the go-to choice for industries that need safe, efficient, and high-performance flange solutions for their critical operations.
Phanuphong Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Bangkok, Thailand.
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