Mourad Metals is a reliable manufacturer and supplier of Alloy Steel AISI 4340 Bars and Rods, proudly based in Tunis, Tunisia. The company has built a solid reputation for providing high-performance alloy steel products that not only meet international quality standards but also stand up to the tough demands of heavy-duty industries. Thanks to their advanced manufacturing techniques, rigorous quality control, and deep technical know-how, Mourad Metals guarantees consistent strength, durability, and reliability. Their AISI 4340 bars and rods are distributed to both local and global markets, playing a crucial role in applications where high strength and toughness are a must.
Alloy Steel AISI 4340 is a nickel-chromium-molybdenum alloy steel with a medium carbon content, crafted for outstanding strength and toughness. The nickel content boosts impact resistance and toughness, while chromium and molybdenum work together to improve hardenability, wear resistance, and fatigue strength. When heat-treated, AISI 4340 bars and rods showcase impressive tensile and yield strength, excellent ductility, and remarkable resistance to shock and cyclic loading, making them perfect for components under high stress.
| 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.
These Alloy Steel AISI 4340 Bars and Rods find their way into various industries, including aerospace, defense, oil and gas, automotive, and heavy engineering. You’ll often see them in applications like aircraft landing gear components, crankshafts, gears, shafts, axles, bolts, and high-strength fasteners. They’re also utilized in power transmission parts, structural components, and machinery that face extreme stress and impact. With their exceptional mechanical properties and versatility in heat treatment, AISI 4340 bars and rods are truly ideal for critical and high-performance applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Mourad Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Tunis, Tunisia
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