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1040 Steel Plate
1040 Steel Plate
With a carbon content of 0.37%-0.44%, 1040 steel plate has higher strength than low-carbon alloys. Through heat treatment, quenching, and tempering, the tensile strength of 1040 steel plate can reach 570-700 MPa. 1040 steel plate is commonly used in crankshafts, couplings, and cold-headed parts. It is classified as medium-strength steel and is available in forged or normalized forms.
Product Specifications
| Dimension Name | Value |
| Material | Medium carbon steel |
| Thickness | 3 mm – 200 mm (customizable) |
| Width | 1000 mm – 3000 mm (standard) |
| Length | 2000 mm – 12000 mm (customizable) |
| Chemical Composition | Carbon (C): 0.37% –0.44% Silicon (Si): 0.15% – 0.35% Manganese (Mn): 0.60% – 0.90% Sulfur (S): ≤0.050% Phosphorus (P): ≤0.04% Iron (Fe): Balance |
| Mechanical Properties | Hardness:150 – 200 HB Tensile Strength: 570 – 700 MPa Yield Strength: ≥ 345 MPa Elongation: 18% – 22% Impact Resistance: 27 J (Charpy V-notch, 20°C) |
| Surface Finish | Hot Rolled (HR), Pickled & Oiled (PO), Shot Blasting, Custom Coating |
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Advantages
- High Strength and Load Capacity: As a type of medium carbon steel, the carbon content of 1040 steel plate ranges from 0.37% to 0.44%. Through various treatments, the tensile and yield strengths of 1040 steel plate can be greatly enhanced, enabling it to bear heavy loads. In mechanical manufacturing, 1040 steel plates are commonly used to produce heavily loaded components such as crankshafts.
- Toughness and Impact Resistance: The 1040 steel plate maintains high toughness. It effectively absorbs impact energy, reducing the risk of part breakage. Through quenching and tempering, the balance between strength and toughness can be further improved.
- Excellent Machinability and Flexibility: 1040 steel plate offers good cutting performance. Additionally, it responds well to heat treatment and allows precise control of mechanical properties through processes like normalizing, quenching, and tempering to fulfill complex structural manufacturing needs.
- High Cost-effectiveness: Since 1040 steel plate is made of carbon steel, it does not contain costly alloying elements, leading to lower production costs and prices that are more competitive than those of alloyed steels. This makes it suitable for large-scale industrial applications.
Applications
- Mechanical Manufacturing Industry: With high strength, wear resistance, and toughness, 1040 steel plate is especially suitable for high-load tempered components like shaft-type parts, gears, and couplings.
- Automotive Industry: 1040 steel plates are commonly used in vehicle manufacturing for components that need high strength and wear resistance, such as connecting rods and crankshafts.
- Building and Bridge Engineering: With high strength, 1040 steel plates can handle the load capacity needs of large structures, making them suitable for structural beams and support frames. Agricultural Equipment: Thanks to its wear and impact resistance, 1040 steel plate is ideal for plowshares, harvester blades, drive shafts, and other components that require long-lasting performance in harsh environments.
Treatments
1040 steel plates, as a medium-carbon steel, can enhance their performance through various heat and surface treatments to meet different application demands.
Heat Treatment
Heat treatment is the primary method for modifying the mechanical properties of 1040 steel plates. Through processes such as heating, holding, and cooling, it can greatly enhance their strength, hardness, toughness, and wear resistance, including annealing, normalizing, quenching, tempering, and quenching and tempering.
Surface Treatment
Surface treatment can improve the corrosion resistance, wear resistance, or appearance of 1040 steel plates, prolonging their lifespan. Treatments that can be applied to 1040 steel plates include surface hardening, carburizing, nitriding, and coating processes.
Other Treatment Processes
1040 steel plates can be enhanced in strength and hardness through deformation strengthening and aging treatment.
