Located in the heart of Naypyidaw, Naing Steel has built a strong reputation as a trusted manufacturer and supplier of high-grade industrial components. Our specialty lies in producing robust Alloy Steel F1 Flanges, engineered to meet the demanding challenges of modern infrastructure and energy projects. We understand that reliability is paramount, which is why our flanges are crafted with precision, ensuring they deliver consistent performance and durability for critical applications across Myanmar and beyond, solidifying our commitment to quality and local industry.
The strength of our Alloy Steel F1 Flanges comes from a carefully balanced composition, primarily featuring chromium and molybdenum. This specific blend gives the material its signature resistance to high temperatures and pressure, preventing issues like creep and brittleness. As a result, these flanges possess exceptional tensile strength and hardness, allowing them to maintain their integrity and form under severe operating conditions without compromising on performance or safety, making them a fundamentally reliable choice.
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 : 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 |
|---|---|---|---|---|---|---|---|---|---|
| F1 | 0.28 | 0.60 – 0.90 | 0.045 | 0.045 | 0.15 – 0.30 | – | – | 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 | ||||
| F1 | 485 | 275 | 20 | – | 143-192 |
| STANDARD | DIN WERKSTOFF NR. | DIN | UNS |
| ASTM A182 F1 Flanges | 1.5415 | 15M03 | K12822 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Size in (Inches) | Size in (Millimeter) | Number of Bolts | Bolt Size Of UNC | Length Of RF Stud | Size Of ISO Stud | Length Of Machine Bolts |
|---|---|---|---|---|---|---|
| Class 300 Flange | ||||||
| 1/2 | 15 | 4 | 1/2 | 65 | M14 | 55 |
| 3/4 | 20 | 4 | 5/8 | 75 | M16 | 65 |
| 1 | 25 | 4 | 5/8 | 75 | M16 | 65 |
| 1 1/4 | 32 | 4 | 5/8 | 85 | M16 | 70 |
| 1 1/2 | 40 | 4 | 3/4 | 90 | M20 | 75 |
| 2 | 50 | 8 | 5/8 | 90 | M16 | 75 |
| 2 1/2 | 65 | 8 | 3/4 | 100 | M20 | 85 |
| 3 | 80 | 8 | 3/4 | 110 | M20 | 90 |
| 3 1/2 | 90 | 8 | 3/4 | 110 | M20 | 95 |
| 4 | 100 | 8 | 3/4 | 115 | M20 | 95 |
| 5 | 125 | 8 | 3/4 | 120 | M20 | 110 |
| 6 | 150 | 12 | 3/4 | 120 | M20 | 110 |
| 8 | 200 | 12 | 7/8 | 140 | M24 | 120 |
| 10 | 250 | 16 | 1 | 160 | M27 | 140 |
| 12 | 300 | 16 | 1 1/8 | 170 | M30 | 145 |
| 14 | 350 | 20 | 1 1/8 | 180 | M30 | 160 |
| 16 | 400 | 20 | 1 1/4 | 190 | M33 | 165 |
| 18 | 450 | 24 | 1 1/4 | 195 | M33 | 170 |
| 20 | 500 | 24 | 1 1/4 | 205 | M33 | 185 |
| 24 | 600 | 24 | 1 1/2 | 230 | M39 | 205 |
Naing Steel is a top manufacturer and supplier of high-quality Alloy Steel F1 Flanges products in Naypyidaw, Myanmar. 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 will typically find our Alloy Steel F1 Flanges hard at work in some of the most challenging environments. They are essential components in high-temperature and high-pressure piping systems, such as those in power generation plants, petrochemical refineries, and oil and gas transmission lines. Their ability to withstand intense heat and stress makes them ideal for connecting critical sections of pipe, valves, and equipment, ensuring a secure and leak-proof seal that is vital for the safety and efficiency of the entire operation.
Naing 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 Naypyidaw, Myanmar.
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