Located in the heart of Manama’s industrial landscape, Junaid Metals has established itself as a trusted partner for high-strength materials. We take pride in supplying precision-engineered Alloy Steel AISI 4340 bars and rods, backed by a commitment to quality and reliability that meets the rigorous demands of various critical industries. Our focus is on providing robust solutions that form the backbone of your most challenging projects, ensuring performance you can count on from a dependable local source in Bahrain.
The composition of AISI 4340 steel is a careful balance, primarily consisting of nickel, chromium, and molybdenum. This specific blend gives the material its exceptional depth-hardening characteristics. As a result, these bars and rods achieve outstanding mechanical properties, including very high tensile and yield strength coupled with good toughness. This makes them particularly resistant to wear and fatigue, allowing them to perform reliably under heavy loads and demanding conditions.
| 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.
The remarkable strength and durability of AISI 4340 make it the material of choice for critical, high-stress components. You will commonly find it used in essential parts like aircraft landing gear, high-strength bolts and axles for heavy vehicles, and large-diameter shafts in industrial machinery. It’s also indispensable in the oil and gas sector for tools and equipment, as well as in the forging dies used in manufacturing. Essentially, it’s suited for any application where failure is not an option and superior performance is a necessity.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Junaid Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manama, Bahrain
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