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Hassan Sheets and Plate, located in Riyadh, Saudi Arabia, stands out as a top manufacturer and supplier of premium steel products tailored for demanding industrial needs. Our 4340 Steel Sheets and Plates are celebrated for their exceptional strength, toughness, and fatigue resistance, making them perfect for sectors like aerospace, automotive, and heavy engineering. Crafted to meet stringent standards, these alloy steel plates are heat-treatable and deliver outstanding performance even in high-stress situations. At Hassan Sheets and Plate, we pride ourselves on providing precision-engineered materials, complemented by dependable service and prompt delivery throughout Saudi Arabia and the Gulf region.
When it comes to composition and mechanical properties, 4340 Steel is a low alloy steel that contains about 0.38–0.43% carbon, 1.65–2.00% nickel, 0.70–0.90% chromium, 0.20–0.30% molybdenum, along with trace amounts of manganese, silicon, sulfur, and phosphorus. It’s renowned for its high tensile strength (up to 1080 MPa), remarkable toughness, and solid fatigue and impact resistance, particularly after heat treatment. This steel also boasts good ductility and machinability. 4340 responds exceptionally well to quenching and tempering, making it a go-to choice for components that face extreme mechanical stress and dynamic loads.
| Specification | ASTM A829 / ASTM A6, SAE J404, AMS 6359/ 2252/2301 |
| Grade | AISI 4340/ EN24 |
| Value Added Services |
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| Silicon | 0.15/0.35 |
| Chromium | 0.70/0.90 |
| Molybdenum | 0.20/0.30 |
| Carbon | 0.38/0.43 |
| Manganese | 0.65/0.85 |
| Phosphorus | 0.025 max. |
| Sulfur | 0.025 max. |
| Nickel | 1.65/2.00 |
| Copper | 0.35 max. |
| Alloy | Thickness Range | Condition/ Temper | Specification | Tensile Strength Ksi | Yield Strength Ksi |
AISI 4340 | 3/8 Inch to 8-1/8 Inch | STRESS RELIEVED | ASTM A829 / ASTM A6 SAE J404 | – | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
In terms of applications, 4340 Steel Sheets and Plates are extensively utilized in scenarios that demand high strength and resistance to wear, impact, and fatigue. You’ll find them in aerospace structural components, automotive parts like crankshafts and gears, heavy-duty shafts, axles, and molds used in tooling industries. Additionally, they play a crucial role in oil and gas drilling equipment and high-performance machinery parts. The steel’s ability to retain its mechanical properties under stress and heat makes it an ideal fit for critical, high-load applications across the defense, transportation, and heavy equipment manufacturing sectors.
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Riyadh, Saudi Arabia
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