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Will Sheets Plates is a renowned manufacturer and supplier of high quality sheet plates, specializing in a wide range of products including 4340 steel Renowned for their precision and durability their 4340 steel sheet and plate products Aerospace , automotive, construction and other services Heavy-duty applications are ideal With a strong commitment to excellence Will Sheets & Plates delivering reliable solutions, ensuring high performance and high quality in every product.
4340 Steel High strength alloy steel is known for its high strength and fatigue resistance. It consists mainly of carbon (0.38-0.43%), chromium (0.70-0.90%), nickel (1.65-2.00%) and molybdenum (0.20-0.30%), with minor amounts 4340 of manganese, silicon, sulfur, etc Mechanical properties of steel with 745-850 MPa tensile strength, 415-725 Includes MPA yield strength, 18-22% elongation and has a hardness range of 28-34 HRC after heat treatment, making it suitable for applications such as aircraft parts and gear shafts.
| 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.
4340 steel sheet and plate offers many advantages including superior hardness, strength, and resistance to fatigue and fatigue. This compound is known for its high tensile strength and excellent performance in harsh conditions. It is highly weldable, allowing versatility in design and manufacturing. Also, 4340 steel exhibits good strength, which improves the performance of the heat treated product. These properties make it ideal for use in the aerospace, automotive, and heavy machinery industries, where durability and reliability are essential.
The 4340 steel sheet and plate is widely used in high pressure applications due to its excellent hardness, strength and wear resistance. Commonly used in the aerospace, automotive, and oil and gas industries, 4340 steel is ideal for gears, shafts, crankshafts, heavy machinery parts, etc. They also make high-performance construction parts, pressure vessels, and equipment with high strength, fatigue and shock resistance Needed is a compound Usually heat treated to dissipation top hardness and durability.
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