Alloy Steel F11 Flanges
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Thabiso Steel is a reputable manufacturer and supplier located in Cape Town, South Africa, specializing in top-notch Alloy Steel F11 Flanges designed for outstanding performance in high-temperature and high-pressure settings. The company has built a solid reputation for its dedication to quality, precision in manufacturing, and strict compliance with international standards. Thabiso Steel’s Alloy Steel F11 Flanges are known for their remarkable strength, durability, and resistance to corrosion, making them perfect for tough industrial environments. With a strong emphasis on innovation and customer satisfaction, Thabiso Steel delivers dependable and cost-effective solutions tailored to the needs of the power, petrochemical, and engineering industries.
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Alloy Steel F11 RTJ Flanges
Alloy Steel F11 Forged Flanges
Alloy Steel F11 Plate Flanges
Table of Contents
What is Alloy Steel F11 Flanges?
These Alloy Steel F11 Flanges are primarily made up of chromium and molybdenum, along with carefully controlled amounts of carbon, manganese, silicon, and phosphorus. This specific chemical makeup boosts their mechanical strength, oxidation resistance, and heat stability. The flanges showcase a tensile strength ranging from 415 to 655 MPa and a yield strength of around 205 MPa, providing excellent ductility, weldability, and toughness. Their ability to resist scaling and thermal fatigue makes them suitable for components that experience varying temperature and pressure conditions in industrial operations.
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Alloy Steel F11 Flanges Specification
| Specifications | ASTM A182 Alloy Steel F11 Flanges |
|---|---|
| ASME B16.5 Alloy Steel F11 Flanges size range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Alloy Steel F11 Flanges Standards | ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, |
| Alloy Steel F11 Flanges Standard DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Alloy Steel F11 Flanges Standard ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Alloy Steel F11 Flanges Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Alloy Steel F11 Flanges Standard JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Alloy Steel F11 Flanges Standard EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Alloy Steel F11 Pipe Flanges Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production technique |
|
| Connect Type/ Flange Face Type | Small Male-Female (SMF), Small Tongue & Groove, Large Tongue & Groove,Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF) |
| Most common types of Alloy Steel F11 Flanges |
|
| Special design |
As per your drawing AS, ANSI, BS, DIN and JIS Alloy Steel F11 Flanges Threaded Flanges, Socketweld Flanges, Slip-On Flanges, Blind Flanges, Weld Neck Flanges |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Specialized manufacturer of |
|
| Alloy Steel F11 Flanges Standard |
ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange, ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE,
|
| Key markets and industries for Alloy Steel F11 Flanges |
|
| Export to | Thailand, Peru, Iran, Korea, Singapore, Ireland, Oman, Dubai, Ukraine, Brazil, India, Canada, Egypt, Indonesia, USA, Spain, Saudi Arabia, etc |
| Alloy Steel F11 Flanges Application |
|
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Alloy Steel F11 Flanges Chemical Composition
| Grade | C | Mn | P | S | Si | Ni | Ch | Mo | Cb |
|---|---|---|---|---|---|---|---|---|---|
| F11 | 0.15 | 0.30-0.60 | 0.030 | 0.030 | 0.50-1.00 | – | 1.00-1.50 | 0.44-0.65 | – |
Alloy Steel F11 Flanges Mechanical Properties
| 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 | ||||
| F11 | 415 | 205 | 20 | – | 121-174 |
Alloy Steel F11 Flanges Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. |
|---|---|---|
| Alloy Steel F11 | K11597/K11572 | 1.7335 |
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Alloy Steel F11 Flanges Weight Chart
| Pipe Normal Diam. | O.D. Flange | Thk. Of Flange Min |
Diam. of Hub |
Diameter of Raised Face | Length Hub.Y | Thread Length |
Diam. of Bolt Circle |
Diam. of Bolt Holes |
Number of Bolts |
Diam. 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 |
| 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″ | 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 |
| 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″ | 50 | 152.50 | 19.10 | 77.70 | 91.90 | 25.40 | 25.40 | 120.70 | 19.10 | 4 | 5/8″ | 2.3 | 5.1 |
| 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 |
| 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 |
| 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 |
| 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 |
| 14″ | 350 | 533.50 | 35.10 | 400.10 | 412.80 | 57.20 | 57.20 | 476.30 | 28.50 | 12 | 1″ | 39 | 86 |
| 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 |
| 24″ | 600 | 813.00 | 47.80 | 663.40 | 692.20 | 82.60 | 82.60 | 749.30 | 35.10 | 20 | 1 1/4″ | 97 | 214 |
Top Manufacturer and Supplier of Alloy Steel F11 Flanges in Cape Town, South Africa
ThabisoSteel is a top manufacturer and supplier of high-quality Alloy Steel F11 Flanges products in Cape Town, South Africa. 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.
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Types of Alloy Steel F11 Flanges
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Uses of Alloy Steel F11 Flanges
Alloy Steel F11 Flanges are extensively utilized in industries that function under extreme thermal and pressure conditions. They are commonly found in power generation, oil and gas, and petrochemical sectors for connecting pipes, valves, and pumps in high-temperature steam and gas systems. These flanges are particularly well-suited for boilers, heat exchangers, pressure vessels, and turbine assemblies. Their outstanding mechanical properties and corrosion resistance ensure reliability in applications within refineries, chemical plants, and power plants, promoting durability, efficiency, and safety in demanding operational environments.
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