Anucha Metals, based in Bangkok, Thailand, stands out as a top manufacturer and supplier of high-quality Alloy Steel AISI 4340 Bars and Rods. These products are designed for exceptional strength, toughness, and wear resistance. AISI 4340 is well-known for its impressive hardenability and fatigue resistance, making it a go-to choice for critical industrial and structural applications. Anucha Metals prides itself on delivering precision-engineered bars and rods that adhere to international standards, catering to industries like aerospace, automotive, defense, and heavy machinery. These offerings ensure reliability, durability, and high performance, even under extreme stress and heavy loads, making them perfect for applications that demand both strength and toughness.
The Alloy Steel AISI 4340 Bars and Rods contain 0.38–0.43% carbon, 0.7–0.9% chromium, 1.65–2.0% nickel, 0.2–0.3% molybdenum, along with trace elements of manganese, silicon, phosphorus, and sulfur. In terms of mechanical properties, they boast a tensile strength ranging from 745 to 1080 MPa, yield strength between 470 and 780 MPa, and an elongation of 18 to 22%. This alloy is known for its excellent toughness, fatigue resistance, and wear resistance. When heat-treated, it further enhances its hardness, strength, and overall mechanical properties, making it suitable for high-stress and critical applications.
| Sizes | 2-100mm A/F |
|---|---|
| Tolerance | H9, H8, H10, K12, H13K9, K10, H11, H12, K11 |
| Round bar Sizes | Diameter: 3-~800mm |
| Technique | Hot Rolled, Cold Drawn, Cold Rolled, Forged, Rod |
| Processing | Bar cutting to 650mm |
| Surface | Bright, Hot Rolled Pickled, Sand Blasting Finished, Hairline, Cold Drawn, Polished suppliers |
| Condition | Hardened and tempered, annealed |
| Form | Precision Square, Ingot, T-Bar, Rod, Round, Welding Rod, I/H Bar, Flat Bar, Blocks, Rings, Rectangle, Hex (A/F), Hollow, Threaded, Profiles, Ground Bar, Channel Bar, Billet, Triangle, Round Rod, Half Round Bar, Forging etc. |
| Square bar Sizes | 4 to 100mm |
| Finish | Hot rolled annealed, Bright, smooth turned, Polish, Rough Turned, Cold (bright) drawn, centreless ground, Grinding, peeled, hot rolled, slit rolled edge, Centreless Ground & Black. |
| Flat bar Sizes | Width: 10 – 500 millimeter Thick.: 2 to 100 millimeter |
| Element | Composition |
|---|---|
| C% | 0.38/0.43 |
| Mn% | 0.60/0.80 |
| P% | 0.035 max |
| S% | 0.040 max |
| Si% | 0.20/0.35 |
| Ni% | 1.65/2.00 |
| Cr% | 0.70/0.90 |
| Mo% | 0.20/0.30 |
| Property | Value |
|---|---|
| Tensile Strength | 850-1000 N/mm 2 |
| Elongation | 13% |
| Hardness | 250-350 HB |
Alloy Steel AISI 4340 is commonly used in aerospace, automotive, and heavy machinery applications due to its excellent strength, toughness, and fatigue resistance. It's ideal for manufacturing shafts, gears, and structural components.
AISI 4340 offers high tensile strength, excellent toughness, and good wear resistance. It is known for its ability to withstand high-stress and high-impact conditions.
Yes, AISI 4340 can be heat-treated to enhance its hardness and strength, making it highly adaptable for different engineering requirements.
Alloy Steel AISI 4340 Bars and Rods find extensive use in aerospace and defense sectors, including components like landing gear, structural parts for aircraft, and missile components. They are also perfect for automotive and heavy machinery applications, such as crankshafts, gears, and high-strength shafts. Additionally, these bars and rods are utilized in the oil and gas industry, power generation, and various industrial equipment that require high fatigue and wear resistance. The blend of toughness, strength, and reliability makes Alloy Steel AISI 4340 Bars and Rods indispensable for demanding industrial applications where performance under extreme conditions is crucial.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Anucha Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Bangkok, Thailand
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