A573 Gr. 70 / Structural Carbon Steel Plate

Steel A573 Gr70

📌 Overview and Technical Specifications

Steel A573 Gr70 is a high-strength, low-alloy structural steel commonly used in applications requiring improved toughness and durability. It is primarily used in the construction of pressure vessels, storage tanks, and structural components.

🛠 Specifications:

• Hardness: ≤ 250 HB
• Thickness: from 6 mm to 100 mm
• Yield strength: ≥ 485 MPa
• Tensile strength: 550–690 MPa
• Elongation: 17–21%

🧪 Chemical Composition

• Carbon (C): ≤ 0.26%
• Silicon (Si): 0.15 – 0.40%
• Manganese (Mn): 1.00 – 1.60%
• Phosphorus (P): ≤ 0.035%
• Sulfur (S): ≤ 0.040%
• Copper (Cu): ≤ 0.20%
• Balance: Iron (Fe)

⚙ Applications

Steel A573 Gr70 is widely used in the following industries:

• 🏗 Structural applications, including bridges and buildings
• 🛢 Storage tanks and pressure vessels
• 🚛 Heavy machinery and transportation equipment
• 🏭 Industrial equipment and structural supports
• ⚡ Energy and petrochemical industry

🌟 Features

• ✅ High strength and toughness
• ✅ Good weldability and formability
• ✅ Excellent resistance to mechanical stress
• ✅ Suitable for heavy-duty structural applications
• ✅ Enhanced durability in demanding environments