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Smith Fittings is a top-notch manufacturer and supplier located in Canberra, Australia, specializing in high-quality **4140 Steel Sheets and Plates** that are celebrated for their remarkable strength, toughness, and resistance to wear. Designed to meet strict industry standards, these sheets and plates provide dependable performance in high-stress and demanding industrial settings. With a commitment to precision manufacturing and thorough quality control, Smith Fittings delivers **4140 Steel Sheets and Plates** that blend durability with outstanding mechanical properties. The company caters to various industries, including automotive, aerospace, heavy engineering, and defense, supplying products that shine in structural, mechanical, and high-load applications, ensuring they stand the test of time.
**4140 Steel Sheets and Plates** are made from chromium-molybdenum alloy steels, featuring about 0.38–0.43% carbon, 0.75–1.00% manganese, 0.80–1.10% chromium, and 0.15–0.25% molybdenum. They boast a tensile strength of roughly 655–850 MPa and a yield strength of around 415 MPa. These plates are known for their excellent hardness, fatigue resistance, and toughness, along with good machinability and weldability. **4140 Steel Sheets and Plates** maintain their structural integrity even under dynamic loading and high-stress conditions, making them perfect for critical industrial applications.
| 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.
You’ll find **4140 Steel Sheets and Plates** widely used in industries that demand high strength, wear resistance, and durability. They’re often found in the production of shafts, gears, bolts, axles, and components for heavy machinery. In the automotive and aerospace fields, they’re utilized for engine parts, structural components, and high-stress mechanical assemblies. This steel is also essential in defense, construction, and industrial equipment where high load-bearing capacity and toughness are crucial. **4140 Steel Sheets and Plates** deliver long-lasting performance, reliability, and mechanical stability in even the most challenging operational environments.
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