Strategically located in the dynamic industrial landscape of Manama, Bahrain, Junaid Metals has built a strong reputation for reliability and quality in the supply of specialty steel. We are proud to offer Alloy Steel AISI 4140 bars and rods, materials chosen by industry professionals for their exceptional strength and versatility. Our commitment is to provide not just a product, but a dependable foundation for your most demanding projects, ensuring you receive material that consistently meets the highest standards for performance and durability right here in the heart of the Gulf.
The composition of AISI 4140 is a careful balance, primarily chromium and molybdenum, which gives it remarkable characteristics. This combination results in excellent toughness and the ability to be hardened through heat treatment to achieve superior tensile strength. It maintains good wear resistance and can withstand significant stress and fatigue, making it a robust and reliable choice. Essentially, it’s engineered to perform under pressure while retaining its structural integrity in challenging environments.
| 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 |
These bars and rods are fundamental components across numerous heavy-duty industries. You’ll find them machined into critical parts like gears, shafts, axles, and bolts within the automotive and aerospace sectors. The oil and gas industry relies on them for drill collars and tool joints, while general manufacturing uses them for high-strength fixtures and die blocks. Their adaptability makes them a trusted material for constructing machinery, industrial equipment, and any application where a combination of high strength and good wear resistance is absolutely essential for success.
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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