Isis Metals stands out as a reliable manufacturer and supplier of Carbon Steel A105 Bars and Rods right in the heart of Manila, Philippines. We take pride in offering top-notch forged carbon steel products that are built to last, showcasing impressive durability and strength. Carbon Steel A105 is a go-to choice for forged components, especially in high-temperature and high-pressure settings. At Isis Metals, our A105 Bars and Rods are crafted with precision to ensure outstanding mechanical performance and exact dimensions. These products find their place in the oil & gas, petrochemical, and power generation sectors, where toughness, machinability, and corrosion resistance are crucial for long-lasting reliability.
When it comes to composition and mechanical properties, our Carbon Steel A105 Bars and Rods are primarily made up of Carbon (max 0.35%), Manganese (0.60–1.05%), Phosphorus (max 0.035%), Sulfur (max 0.040%), and Silicon (0.10–0.35%). This blend strikes a perfect balance between strength, ductility, and hardness. The material boasts a tensile strength ranging from 485 to 655 MPa and a yield strength of 250 MPa, along with impressive impact resistance. It’s also easy to machine and weld, making it a great fit for both forged and machined applications. A105 carbon steel holds its strength even at high temperatures, ensuring reliable performance in pressure-containing parts and piping systems.
| International Specifications | ASTM A105, ASME SA105 |
| Manufacturing Process | Forged/Hot Rolled/Cold Drawn/Peeled |
| Equivalent grades | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| SA105 Round Bar Dimensions | 3.0 – 50.8 mm, Over 50.8 – 300mm |
| ASTM A105 Rectangular Bars | 6.35 x 12.7mm,6.35 x 25.4mm,12.7 x 25.4mm |
| A105 Carbon Steel Hex Bars | AF5.8mm–17mm |
| Carbon Steel A105 Square Bar | AF2mm – 14mm, AF6.35mm,9.5mm,12.7mm, 15.98mm,19.0mm, 25.4mm |
| Carbon Steel A105 Flat Bars | 1/2” to 10” in the thickness range of 2mm to 150mm, |
| Finishes Available | Bright, Polish & Black |
| Length | 1meter to 6 Meters |
| Shapes | Hexagonal, Rounds, Square, Hex, Rectangular, Hollow, Flat, |
| Forms of A105 Bars in Stock: | Billet, Ingot, Forging Etc. |
| Carbon Steel | C | Si | Mn | P | S | Cr |
| A105 | 0.35 | 0.10-0.35 | 0.60-1.05 | 0.035 | 0.040 | 0.30 |
| Tensile Strength (N/mm2) | Elongation % | HB max |
| 485 | 22 | 187 |
| SIZE IN INCHES | ROUND | SQUARE | OCTAGON | HEXAGON | SIZE IN INCHES | ROUND | SQUARE | OCTAGON | HEXAGON |
| 1/16 | .010 | .013 | .011 | .012 | 11/16 | 1.262 | 1.607 | 1.333 | 1.392 |
| 5/64 | .017 | .022 | .018 | .019 | 45/64 | 1.320 | 1.681 | 1.394 | 1.456 |
| 3/32 | .023 | .029 | .024 | .025 | 23/32 | 1.380 | 1.756 | 1.487 | 1.521 |
| 7/64 | .031 | .039 | .033 | .034 | 47/64 | 1.440 | 1.834 | 1.521 | 1.588 |
| 1/8 | .042 | .053 | .044 | .046 | 3/4 | 1.502 | 1.913 | 1.586 | 1.656 |
| 9/64 | .053 | .067 | .056 | .058 | 25/32 | 1.630 | 2.075 | 1.721 | 1.797 |
| 5/32 | .065 | .083 | .069 | .072 | 13/16 | 1.763 | 2.245 | 1.862 | 1.944 |
| 11/64 | .079 | .100 | .083 | .087 | 27/32 | 1.901 | 2.421 | 2.008 | 2.096 |
| 3/16 | .094 | .120 | .099 | .104 | 7/8 | 2.045 | 2.603 | 2.159 | 2.254 |
| 13/64 | .110 | .140 | .116 | .121 | 29/32 | 2.193 | 2.792 | 2.316 | 2.418 |
| 7/32 | .128 | .163 | .135 | .141 | 15/16 | 2.347 | 2.988 | 2.479 | 2.588 |
| 15/64 | .147 | .187 | .155 | .162 | 31/32 | 2.506 | 3.191 | 2.646 | 2.763 |
| 1/4 | .167 | .213 | .176 | .184 | 1 | 2.670 | 3.400 | 2.820 | 2.945 |
| 17/64 | .188 | .240 | .199 | .207 | 1-1/16 | 3.015 | 3.838 | 3.183 | 3.324 |
| 9/32 | .211 | .269 | .223 | .233 | 1-1/8 | 3.380 | 4.303 | 3.569 | 3.727 |
| 19/64 | .235 | .300 | .248 | .259 | 1-3/16 | 3.766 | 4.795 | 3.977 | 4.152 |
| 5/16 | .261 | .332 | .275 | .288 | 1-1/4 | 4.172 | 5.313 | 4.407 | 4.601 |
| 21/64 | .288 | .360 | .304 | .318 | 1-5/16 | 4.600 | 5.857 | 4.858 | 5.072 |
| 11/32 | .316 | .402 | .334 | .348 | 1-3/8 | 5.049 | 6.428 | 5.332 | 5.567 |
| 23/64 | .345 | .439 | .364 | .381 | 1-7/16 | 5.518 | 7.026 | 5.827 | 6.085 |
| 3/8 | .376 | .478 | .397 | .414 | 1-1/2 | 6.008 | 7.650 | 6.345 | 6.625 |
| 25/64 | .408 | .519 | .431 | .450 | 1-9/16 | 6.519 | 8.301 | 6.885 | 7.189 |
| 13/32 | .441 | .561 | .466 | .486 | 1-5/8 | 7.051 | 8.978 | 7.446 | 7.775 |
| 27/64 | .475 | .605 | .502 | .524 | 1-11/16 | 7.604 | 9.682 | 8.030 | 8.385 |
| 7/16 | .511 | .651 | .540 | .564 | 1-3/4 | 8.178 | 10.41 | 8.634 | 9.018 |
| 29/64 | .548 | .698 | .579 | .604 | 1-13/16 | 8.773 | 11.17 | 9.265 | 9.673 |
| 15/32 | .587 | .747 | .620 | .647 | 1-7/8 | 9.388 | 11.95 | 9.911 | 10.35 |
| 31/64 | .627 | .798 | .662 | .692 | 1-15/16 | 10.02 | 12.76 | 10.58 | 11.05 |
| 1/2 | .668 | .850 | .705 | .736 | 2 | 10.68 | 13.60 | 11.28 | 11.78 |
| 33/64 | .710 | .904 | .750 | .783 | 2-1/16 | 11.36 | 14.46 | 11.99 | 12.53 |
| 17/32 | .754 | .960 | .796 | .831 | 2-1/8 | 12.06 | 15.35 | 12.73 | 13.30 |
| 35/64 | .799 | 1.017 | .844 | .881 | 2-3/16 | 12.78 | 16.27 | 13.49 | 14.09 |
| 9/16 | .845 | 1.076 | .892 | .932 | 2-1/4 | 13.52 | 17.21 | 14.27 | 14.91 |
| 37/64 | .893 | 1.136 | .943 | .985 | 2-5/16 | 14.28 | 18.18 | 15.08 | 15.75 |
| 19/32 | .941 | 1.199 | .994 | 1.038 | 2-3/8 | 15.06 | 19.18 | 15.91 | 16.61 |
| 39/64 | .992 | 1.263 | 1.048 | 1.094 | 2-7/16 | 15.87 | 20.20 | 16.75 | 17.49 |
| 5/8 | 1.043 | 1.328 | 1.102 | 1.150 | 2-1/2 | 16.69 | 21.25 | 17.62 | 18.40 |
| 41/64 | 1.096 | 1.395 | 1.207 | 1.209 | 2-9/16 | 17.53 | 22.33 | 18.52 | 19.34 |
| 21/32 | 1.150 | 1.464 | 1.214 | 1.268 | 2-5/8 | 18.40 | 23.43 | 19.43 | 20.29 |
| 43/64 | 1.205 | 1.535 | 1.272 | 1.329 | 2-11/16 | 19.29 | 24.56 | 20.37 | 21.27 |
Our Carbon Steel A105 Bars and Rods offer exceptional strength, durability, and corrosion resistance. They exhibit a tensile strength of 485 MPa (min), yield strength of 250 MPa (min), and elongation of 22% (min), making them ideal for high-pressure and high-temperature applications.
These bars and rods are extensively used in the oil and gas, petrochemical, power generation, marine, and construction industries. They are essential for flanges, fittings, valves, heat exchangers, and pressure vessels.
Yes, at Isis Metals, we provide tailored solutions to meet specific project requirements, including custom sizes, lengths, and finishes.
Carbon Steel A105 Bars and Rods are extensively utilized across various industries, including oil and gas refineries, chemical plants, power generation facilities, and marine applications. They’re perfect for crafting flanges, valves, fittings, shafts, and fasteners that operate in high-temperature and high-pressure environments. Thanks to their exceptional strength and toughness, they’re also ideal for boiler tubes, heat exchangers, and pressure vessels. Additionally, they serve well in structural and mechanical applications that demand durability and resistance to stress and fatigue. With excellent forging properties and cost-effectiveness, Carbon Steel A105 is a smart choice for many industrial needs.














We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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