Aung Metals, located in Naypyidaw, Myanmar, has built a solid reputation as a reliable manufacturer and supplier of top-notch Alloy Steel AISI 4140 Bars and Rods. Known for their precision engineering and durability, Aung Metals adheres to international standards, providing steel products that are perfect for demanding industrial applications. Their Alloy Steel AISI 4140 Bars and Rods are crafted for outstanding strength, toughness, and wear resistance, making them a great fit for high-stress and heavy-duty environments. With cutting-edge manufacturing techniques, rigorous quality control, and prompt delivery, Aung Metals guarantees dependable and long-lasting materials that offer exceptional performance and value, catering to industries throughout Myanmar and beyond.
Alloy Steel AISI 4140 Bars and Rods are chromium-molybdenum steels that contain about 0.38–0.43% carbon, 0.8–1.1% chromium, 0.15–0.25% molybdenum, and 0.75–1.0% manganese. In terms of mechanics, these bars and rods boast a tensile strength of 655–850 MPa, a yield strength of 415–580 MPa, and an elongation of 20–25%, which translates to excellent toughness, fatigue resistance, and wear performance. Their unique composition ensures superior hardenability, dimensional stability, and strength under high-stress conditions, making them ideal for industrial, automotive, and structural applications that demand durability and reliability.
| Dimensions | : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Size | : | 5 mm To 500 mm |
| Diameter | : | 0.1 mm to 100 mm |
| Length | : | 100 mm To 3000 mm Long & Above |
| Finish | : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Tolerance | : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Form | : | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Grade | C | Mn | Si | P | S | Fe | Mo | Ni | Cr |
| AISI / SAE 4140 | 0.38-0.43 | 0.75-1.00 | 0.20-0.35 | 0.035 max | 0.035 MAX | – | – | 0.15-0,25 | 0.80-1.10 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.85 g/cm3 | 1432 ℃ | 560 | 460 | 21.50% |
Alloy Steel AISI 4140 Bars and Rods are known for their excellent strength, toughness, and wear resistance. With a chemical composition that includes chromium and molybdenum, they offer improved hardness, fatigue resistance, and good machinability, making them ideal for demanding applications.
AISI 4140 Bars and Rods are commonly used in automotive, aerospace, oil and gas, construction, and heavy machinery industries. They are ideal for manufacturing parts such as gears, shafts, crankshafts, and axles that require high strength and durability.
Yes, Alloy Steel AISI 4140 Bars and Rods can be heat treated to achieve desired mechanical properties. Heat treatment processes such as quenching and tempering can increase hardness, strength, and toughness, making the material suitable for high-stress applications.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | EN |
| AISI / SAE 4140 | 1.7225 | G41400 | SCM 440 | BS 708M40 | 1.7223 |
Alloy Steel AISI 4140 Bars and Rods are extensively utilized in the automotive, machinery, oil and gas, and construction sectors due to their impressive strength and toughness. They are perfect for crafting shafts, gears, crankshafts, axles, bolts, and high-strength fasteners that face heavy loads and cyclic stress. Moreover, these bars and rods find their place in structural components, hydraulic parts, and industrial machinery that require wear resistance and long-term reliability. Their blend of strength, toughness, and versatility makes Alloy Steel AISI 4140 Bars and Rods a go-to choice for critical engineering and industrial applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Naypyidaw, Myanmar
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