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Yunus Sheets and Plates, located in Istanbul, Turkey, has built a solid reputation as a manufacturer and supplier of top-notch 4140 Steel Sheet and Plate. These products are designed for strength, durability, and reliability, making them perfect for tough industrial applications. Renowned for their precision and consistent quality, these sheets and plates boast superior mechanical properties that meet international standards. They cater to a variety of sectors, including automotive, construction, and heavy machinery. With a commitment to timely delivery, competitive pricing, and outstanding customer service, Yunus Sheets and Plates has become a trusted partner for clients both at home and abroad who need reliable steel products for critical engineering and structural needs.
4140 Steel Sheet and Plate is a chromium-molybdenum alloy steel that primarily consists of carbon, manganese, chromium, and molybdenum. This unique composition provides an excellent balance of toughness, wear resistance, and fatigue strength. On the mechanical side, 4140 steel showcases a tensile strength ranging from 655 to 850 MPa and a yield strength between 415 and 615 MPa, along with impressive hardness and impact resistance. It also offers good machinability, weldability, and formability, making it a great choice for heat treatment and fabrication processes. These characteristics make 4140 Steel Sheet and Plate perfect for applications where high strength, durability, and resistance to mechanical stress are crucial.
| Grade | AISI 4140 |
| Specification | ASTM A829, UNS G41400, SCM440, 1.7225, EN19, 42CrMo4 |
| Thickness | 6 to 800 mm |
| Width | 200 to 2000 mm |
| Length | 2000 to 6000 mm |
| GOST | BS | AISI | ISO | DIN | GB | AFNOR | UNI |
| 35KHV/38KHV | 708M40 | 4140 | 42CrMo4 | 42CrMo4 | 42CrMo | 42CD4 | 42CrMo4 |
| THICKNESS | WIDTH | LENGTH | |
| HEAT TREATED | 1/4″ to 6″ | 36″ to 96″ | UPTO 240 inch |
| AS ROLLED | 1/4″ to 6″ | 36″ to 96″ | UPTO 240 inch |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
4140 steel sheet and plate offers many advantages such as high strength, hardness and corrosion resistance, making it ideal for rugged applications This alloy steel contains chromium and molybdenum to enhance its hardness and corrosion resistance high. It provides excellent fatigue strength, machinability and form ability, making it versatile in the automotive, aircraft and manufacturing industries. Additionally, 4140 steel retains its strength at high temperatures, providing extended durability in harsh environments. It is commonly used for gears, shafts, axles and heavy-duty structural components due to its robust mechanical properties.
Industries that require high-strength, wear-resistant, and durable materials widely use 4140 Steel Sheet and Plate. It’s commonly found in the manufacturing of gears, shafts, crankshafts, machine parts, and structural components. Additionally, it plays a vital role in the automotive, aerospace, oil and gas, and heavy machinery sectors, where performance under stress and resistance to fatigue are essential. Its remarkable mechanical properties, along with good weldability and machinability, make it ideal for customized fabrication, heat treatment, and high-load applications. These attributes ensure reliable performance and a long service life in demanding industrial environments.
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