ASME SA533/ASTM A533 nuclear power steel plate
ASME SA533 / ASTM A533 plates are high-strength, low-alloy steel materials designed for nuclear power applications, offering excellent toughness and weldability. We provide certified industrial supply.
1. Superior Strength and Durability
2.Optimized for Nuclear Applications
3.Conforms to ASME and ASTM Standards
ASME SA533/ASTM A533 nuclear power steel description
ASME SA533 / ASTM A533 nuclear power steel plates are high-strength, low-alloy carbon steel materials designed for use in nuclear power plant reactors and other critical high-pressure applications. As a China-based manufacturer and bulk exporter, we offer Grade A, B, C, and D plates with superior strength, excellent weldability, and enhanced notch toughness for demanding environments. Available in thicknesses from 8mm to 100mm, our plates comply with ASME standards and are ideal for fabricators and EPC contractors requiring reliable steel for nuclear reactors and associated equipment. Contact our factory for SA533 steel plate supply or large-volume inquiries
ASME SA533/ASTM A533-Chemical Composition/Tensile Requirements
| ASME SA533/ASTM A533-Chemical Composition | |
| Element | Grade B Class 2 (GrB Cl2) |
| Carbon (C) | ≤ 0.25 |
| Silicon (Si) | 0.15–0.40 |
| Manganese (Mn) | 1.15–1.50 |
| Phosphorus (P) | ≤ 0.012 |
| Sulfur (S) | ≤ 0.015 |
| Vanadium (V) | ≤ 0.01 |
| Nickel (Ni) | 0.40–0.70 |
| Copper (Cu) | ≤ 0.10 |
| Molybdenum (Mo) | 0.45–0.60 |
| ASME SA533/ASTM A533– Tensile Requirements | |
| Property | Grade B Class 2 (GrB Cl2) |
| Yield Strength (ReL, MPa) | ≥ 485 MPa (70 ksi) |
| Tensile Strength (Rm, MPa) | 620–795 MPa (90–115 ksi) |
| Elongation (min) | 16% (in 2 inches or 50 mm) |
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ASME SA533/ASTM A533 nuclear power steel Application
ASME SA533 / ASTM A533 steel plates are extensively utilized in nuclear power applications due to their exceptional strength, toughness, and resistance to radiation-induced degradation. In the nuclear industry, these plates are critical for fabricating reactor pressure vessels (RPVs), steam generators, and pressurizers, where they withstand high-pressure and elevated-temperature conditions. SA533 Grade B, in particular, offers superior impact resistance and is well-suited for low-temperature environments, ensuring safety and reliability in nuclear reactors. These plates are also employed in containment vessels and other structural components exposed to intense neutron radiation and thermal stress. Their excellent weldability and resistance to embrittlement make them a preferred choice for nuclear power plant construction and maintenance. ASME SA533 is trusted by EPC contractors and nuclear equipment manufacturers globally for its durability and compliance with stringent safety standards.
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