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Al Shakru Sheets and Plates is a premier manufacturer and supplier based in Dubai, UAE, focused on high-quality 4340 Steel Sheets and Plates that are renowned for their exceptional strength, toughness, and fatigue resistance. Built to satisfy demanding industry standards, these steel sheets and plates provide dependable performance in challenging structural and mechanical applications. Through a dedication to precise manufacturing and thorough quality control, Al Shakru Sheets and Plates supplies products that combine durability with steady mechanical properties. Serving industries such as aerospace, automotive, heavy engineering, and defense, the company delivers reliable 4340 Steel Sheets and Plates that excel in high-stress, high-load, and critical engineering settings.
4340 Steel Sheets and Plates are alloy steels composed mainly of iron, nickel, chromium, and molybdenum, along with small quantities of carbon, manganese, and silicon that enhance strength and toughness. They feature a tensile strength of roughly 745–1080 MPa and a yield strength ranging from 470–670 MPa. This alloy is recognized for its outstanding fatigue resistance, impact toughness, and hardenability, as well as favorable weldability and machinability. 4340 Steel Sheets and Plates are ideal for uses that require high strength, durability, and resistance to dynamic and cyclic loading.
| 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 supply products accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
4340 steel sheet and plateprovides numerous benefits such as excellent hardness, strength, and resistance to fatigue and fatigue. This alloy is recognized for its high tensile strength and outstanding performance in demanding environments. It is very weldable, offering flexibility in design and production. Additionally, 4340 steel demonstrates good strength, which enhances the performance of the heat treated product. These characteristics make it perfect for use in the aerospace, automotive, and heavy machinery industries, where durability and reliability are critical.
These 4340 Steel Sheets and Plates are widely applied across industries demanding high-performance structural and mechanical parts. Within aerospace, they typically go into landing gear, aircraft structural elements, and engine components. Across the automotive and heavy machinery fields, they function as crankshafts, gears, shafts, and axles. On top of that, this steel is used in defense settings for armor plates and military equipment, owing to its exceptional toughness and resistance to fatigue. 4340 Steel Sheets and Plates work perfectly for parts subjected to heavy stress, cyclic loading, and demanding operating environments, delivering enduring dependability and safety.
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