Aung Metals, located in Naypyidaw, Myanmar, has built a solid reputation as a manufacturer and supplier of Alloy Steel AISI 4130 Bars and Rods. These products are celebrated for their remarkable strength, durability, and precision engineering. Thanks to state-of-the-art manufacturing facilities and rigorous quality control measures, Aung Metals consistently delivers products that adhere to international standards across various industrial sectors. The AISI 4130 alloy, which is a chromium-molybdenum steel, is particularly prized for its outstanding toughness, weldability, and resistance to wear and fatigue. Aung Metals is committed to providing reliable performance and tailored solutions for clients around the globe, establishing itself as a trusted name in the alloy steel market.
Typically, AISI 4130 Bars and Rods contain 0.28–0.33% carbon, 0.8–1.1% chromium, 0.15–0.25% molybdenum, along with trace amounts of manganese, silicon, and sulfur. This alloy showcases impressive tensile strength (560–670 MPa), yield strength (460 MPa), and excellent elongation and impact resistance. It retains good hardenability and toughness even after undergoing heat treatment. Its well-balanced composition offers superior fatigue strength, making it ideal for demanding mechanical and structural applications.
| Specification | Details |
|---|---|
| Standard | ASTM A600, ASME SA600 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Form | Round |
| Diameter | 2mm to 100mm (depending on grades) |
| Length | 100 mm to 10,000 mm |
| Surface Condition | Black, Grinded, Turned Bright, Machined Proof |
| Maximum | Typical | ||||||
|---|---|---|---|---|---|---|---|
| Carbon | Chromium | Tungsten | Molybdenum | Vanadium | Cobalt | Annealed | Tempered |
| C | Cr | W | Mo | V | Co | Hb | HrC |
| 0.85 | 4.15 | 6.15 | 5.1 | 1.95 | – | 255 | 64 |
| Tensile strength | 1000-1400 MPa |
|---|---|
| Yield Strength | 3250 MPa |
| Abrasion (loss as-hardened; ASTM G65) | 25.8 mm3 |
| Impact Toughness | 67 J/cm2 |
| Hardness | 262 HRC |
| Modulus of elasticity | 207 GPa |
| Country | USA | German | Japan |
|---|---|---|---|
| Standard | ASTM A600 | DIN EN ISO 4957 | JIS G4403 |
| Grades | M2 | 1.3343 | SKH51 |
Yes, M2 steel can be welded, but it requires preheating and post-weld heat treatment to prevent cracking and ensure good weld strength due to its high hardness and wear resistance.
M2 steel rods are available in various sizes, typically ranging from 1/16" to 3" in diameter. Common finishes include bright, polished, and cold-drawn for enhanced surface quality and performance.
M2 steel bars are typically sized by diameter and length, with standard diameters ranging from 6 mm to 100 mm. Lengths usually vary from 3 meters to 6 meters.
Alloy Steel AISI 4130 Bars and Rods find extensive use in industries that require high strength-to-weight ratios and the ability to withstand stress and pressure. They are perfect for aerospace components, oil and gas drilling tools, automotive parts, and structural tubing. Additionally, these bars and rods are utilized in the production of gears, shafts, crankshafts, and aircraft engine mounts. Their exceptional machinability and weldability make them a great choice for precision engineering, mechanical assemblies, and high-pressure vessels, ensuring dependable performance even in extreme conditions.






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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