Phanuphong Steel and Plates, a reputable manufacturer and supplier located in Bangkok, Thailand, has built a solid reputation for providing top-notch Carbon Steel AISI 1045 Bars that cater to the varied needs of different industries. With a strong focus on precision engineering, durability, and customer satisfaction, the company guarantees that its products meet international standards. Carbon Steel AISI 1045 Bars are medium carbon steel products celebrated for their strength, toughness, and wear resistance. Phanuphong Steel offers these bars in a variety of dimensions and finishes, serving the construction, engineering, automotive, and manufacturing sectors both locally and globally.
These bars primarily consist of carbon (0.43–0.50%) and manganese (0.60–0.90%), along with small amounts of silicon, sulfur, and phosphorus. This well-balanced composition boosts their strength, toughness, and machinability while ensuring good wear resistance. Their mechanical properties include a tensile strength of 570–700 MPa, a yield strength of about 310 MPa, and a Brinell hardness that falls between 170–210 HB. These bars are known for their excellent impact resistance, moderate weldability, and high machinability, making them ideal for critical applications where reliability and durability are key.
| Specifications | : | AISI 1045, ASME SA1045 |
| Dimensions | : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Carbon Steel AISI 1045 Round Bars | : | 100mm-1200mm |
| Finish | : | Bright, Polish & Black |
| Length | : | 12m |
| Form | : | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Grade | Mn | S | C | P | Si | Cr | Ni |
| AISI 1045 | 0.5-0.8 | 0.035 | 0.5-0.42 | 0.035 | 0.17-0.37 | 0.25 | 0.3 |
| Grades | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min | Hardness |
| AISI 1045 | 600 | 40 | 355 | 229 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Carbon Steel AISI 1045 Bars are extensively utilized across various industries due to their strength and machinability. In the automotive field, they are commonly used to produce axles, crankshafts, gears, bolts, and shafts. In construction and engineering, these bars find applications in heavy-duty machinery parts, structural components, and fasteners. They are also well-suited for agricultural equipment, machine tools, and industrial hardware that require toughness and wear resistance. Furthermore, AISI 1045 Bars are employed in forging and heat treatment processes, showcasing their versatility for a range of engineering and mechanical applications where durability and strength are paramount.
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| STANDARD | WERKSTOFF NR. | UNS |
| AISI 1045 | 1.1191 | G10450 |
| US Bar | Metric | Japanese | Canadian/ASTM | ||||
| Diameter(Inch) | Carbon Steel A105 Bar Size | Diameter (millimeter) | Carbon Steel A105 Bar Size | Diameter (millimeter) | Carbon Steel A105 Bar Size | Diameter (millimeter2) | Carbon Steel A105 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 |
Carbon Steel AISI 1045 Bars are extensively applied in high strength, toughness, and abrasion resistant industry applications. They are specifically suitable for automotive and construction parts such as shafts, gears, axles, bolts, studs, crankshafts, and hydraulic components, as well as for manufacturing sector applications. They are best suited for forged parts, machine components, and agricultural machinery due to their superior machinability and strength. With excellent impact resistance and moderate tensile strength, AISI 1045 bars offer sound performance in demanding mechanical, structural, and industrial applications, promoting longevity and efficiency in engineering projects.
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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