P275NL1 / 1.0488 Pressure Vessel Steel Plate

Steel P275NL1

📌 Overview and Technical Specifications

Steel P275NL1 is a non-alloy structural steel designed for pressure vessels, known for its high ductility, impact toughness, resistance to low temperatures, and excellent welding characteristics. It is widely used in the energy, petrochemical, and cryogenic industries.

🛠 Specifications:

• Hardness: ≤ 200 HB
• Thickness: from 3 mm to 100 mm
• Yield strength: ≥ 275 MPa
• Tensile strength: 390–530 MPa
• Elongation: 22–25%

🧪 Chemical Composition

• Carbon (C): ≤0.16%
• Silicon (Si): ≤0.40%
• Manganese (Mn): 1.00 – 1.70%
• Phosphorus (P): ≤0.025%
• Sulfur (S): ≤0.015%
• Aluminum (Al): ≥0.020%
• Chromium (Cr): ≤0.30%
• Nickel (Ni): ≤0.50%
• Molybdenum (Mo): ≤0.08%

⚙ Applications

Steel P275NL1 is widely used in the following industries:

• 🔥 Manufacturing of boilers and heat exchangers
• 🛢 Production of tanks and pressure vessels
• ❄️ Cryogenic installations and storage systems
• 🏭 Chemical and petrochemical industries
• ⚡ Components for power plants

🌟 Features

• ✅ High ductility and impact toughness
• ✅ Excellent frost resistance and performance at low temperatures
• ✅ Resistance to high pressures and thermal loads
• ✅ Superior weldability without the need for heat treatment
• ✅ Good corrosion resistance

P275NL1 pressure flat steel delivery forms