Phanuphong Steel and Plates, a prominent manufacturer and supplier located in Bangkok, Thailand, is all about high-quality Alloy Steel F1 Bars that meet a variety of industrial needs. With a strong focus on precision and durability, they make sure every batch aligns with international standards. Thanks to their extensive distribution network, they can deliver products promptly across Thailand and even further, supporting sectors like construction, manufacturing, and energy. Phanuphong Steel’s know-how in forging, heat treatment, and quality assurance means you can count on their products to perform reliably, making Alloy Steel F1 Bars the go-to choice for professionals who need strength, consistency, and longevity in critical applications.
Alloy Steel F1 Bars are primarily made up of carbon, chromium, and molybdenum, with a dash of manganese, silicon, and nickel thrown in to boost strength and toughness. These bars go through meticulous heat treatment processes to achieve outstanding hardness, tensile strength, and wear resistance. They also boast excellent machinability and weldability, ensuring they hold their shape even under high stress and temperature. Their well-balanced chemical makeup provides resistance to corrosion and fatigue, making them perfect for critical components that face cyclic loading and tough environmental conditions.
| Standard | ASTM A182, ASME SA182 |
|---|---|
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Round bar Size | Diameter: 3-~800mm |
| Hex Bar Size | 2-100mm A/F |
| Square Bar Size | 4 to 100mm |
| Angle Bar Size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Rectangular Bars Section | 3.0 to 12.0mm thickness |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Threaded Bar Billet Size | 1/2 to 495mm Diameter |
| Rectangular Size | 33 x 30mm to 295 x 1066mm |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Condition | Hardened & tempered, annealed |
| Technique | Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Processing | Bar cutting to 650mm |
| Form | Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| Grade | C | Mn | Si | P | S | Cr | Mo |
| Alloy Steel F1 | 0.15 max | 0.3-0.6 | 0.5 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
| Alloy Steel F1 | 275 | 485 | 20 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phanuphong Steel is a major manufacturer and a supplier of premium Alloy Steel F1 Bars in Bangkok, the Thailand. With specialization in steel solutions, we offer a variety of products including carbon steel, alloy steel, light steel and galvanized steel. Our wide bearing has pipes, pipes, flanges, pipe fittings, forged fittings, sheets and plates. We are famous for our reliable distribution and extraordinary customer service, and are committed to offering high quality steel materials that ensure durability and better performance in different industrial applications. We are committed to skill, and we are your reliable partners for all steel requirements.
| STANDARD | UNS | WERKSTOFF NR. | Trade Name |
| Alloy Steel F1 | K12822 | 1.5415 | 1/2Mo |
| Diameter(Inch) | Bar Size | Diameter (millimeter) | Bar Size | Diameter (millimeter) | Bar Size | Diameter (millimeter2) | Bar Size |
| 0.250 | #2 | 5 | 5 | 6 | 6 | 100 | 10M |
| 0.375 | #3 | 5.5 | 5.5 | 10 | 10 | 200 | 15M |
| 0.500 | #4 | 6 | 6 | 13 | 13 | 300 | 20M |
| 0.625 | #5 | 7 | 7 | 16 | 16 | 500 | 25M |
| 0.750 | #6 | 8 | 8 | 19 | 19 | 700 | 30M |
| 0.875 | #7 | 9 | 9 | 22 | 22 | 1000 | 35M |
| 1.000 | #8 | 10 | 10 | 25 | 25 | 1500 | 45M |
| 1.125 | #9 | 11 | 11 | 29 | 29 | 2500 | 55M |
| 1.250 | #10 | 12 | 12 | 32 | 32 | ||
| 1.375 | #11 | 14 | 14 | 35 | 35 | ||
| 1.500 | #12 | 16 | 16 | 38 | 38 | ||
| 1.625 | #13 | 18 | 18 | 41 | 41 | ||
| 1.750 | #14 | 20 | 20 | 44 | 44 | ||
| 1.875 | #15 | 22 | 22 | 48 | 48 | ||
| 2.000 | #16 | 25 | 25 | 51 | 51 | ||
| 2.250 | #18 | 28 | 28 | 57 | 57 | ||
| 32 | 32 | ||||||
| 36 | 36 | ||||||
| 40 | 40 | ||||||
| 44 | 44 | ||||||
| 50 | 50 |
| Diameter in inch | Size in inch/MM | Weight Lbs/ft & Kg/M |
| 1/16 | 0.0625 1.5875 | 0.010 / 0.01488 |
| 1/8 | 0.125 3.175 | 0.042 / 0.062496 |
| 3/32 | 0.0938 2.38252 | 0.0240 / 0.035712 |
| 5/32 | 0.1563 3.97002 | 0.065 / 0.09672 |
| 7/32 | 0.2188 5.55752 | 0.128 / 0.190464 |
| 3/16 | 0.1875 4.7625 | 0.094 / 0.139872 |
| 1/4 | 0.25 6.35 | 0.167 / 0.248496 |
| 5/16 | 0.3125 7.9375 | 0.260 / 0.38688 |
| 9/32 | 0.2813 7.14502 | 0.211 / 0.313968 |
| 3/8 | 0.375 9.525 | 0.376 / 0.559488 |
| 1/2 | 0.5 12.7 | 0.668 / 0.993984 |
| 7/16 | 0.4375 11.1125 | 0.512 / 0.761856 |
| 9/16 | 0.5625 14.2875 | 0.844 / 1.255872 |
| 11/16 | 0.6875 17.4625 | 1.264 / 1.880832 |
| 5/8 | 0.625 15.875 | 1.043 / 1.551984 |
| 3/4 | 0.75 19.05 | 1.502 / 2.234976 |
| 7/8 | 0.875 22.225 | 2.045 / 3.04296 |
| 13/16 | 0.8125 20.6375 | 1.761 / 2.620368 |
| 15/16 | 0.9375 23.8125 | 2.35 / 3.4968 |
| 1 1/16 | 1.0625 26.9875 | 3.012 / 4.481856 |
| 1 | 1 25.4 | 2.671 / 3.974448 |
| 1 1/8 | 1.125 28.575 | 3.38 / 5.02944 |
| 1 1/4 | 1.25 31.75 | 4.173 / 6.209424 |
| 1 3/16 | 1.1875 30.1625 | 3.77 / 5.60976 |
| 1 5/16 | 1.3125 33.3375 | 4.598 / 6.841824 |
You’ll find Alloy Steel F1 Bars widely used in engineering, automotive, and construction industries, thanks to their remarkable mechanical properties. They’re essential in fabricating shafts, gears, bolts, and high-strength structural components. Their durability and wear resistance make them ideal for parts in heavy machinery, press tools, and industrial equipment that operate under intense stress. Plus, these bars are utilized in pipelines, pressure vessels, and energy sector applications where reliability and performance are crucial. The versatility and strength of Alloy Steel F1 Bars truly make them a must-have for projects that require long-lasting, high-performance steel components.
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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