Wear-Resistant ASME SA533 Steel Plate for Boiler and Pressure Equipment
ASME SA533 / ASTM A533 steel plates offer superior toughness and strength, ideal for nuclear reactor vessels and pressure equipment.
- High Toughness and Impact Resistance – Designed for demanding pressure vessel and nuclear reactor applications.
- Low-Alloy Steel Composition – Enhances mechanical strength while maintaining weldability.
- Multiple Class Options – Available in Class 1, 2, and 3 grades to suit diverse project requirements.
- Strict Compliance with Industry Standards – Manufactured per ASME SA533 / ASTM A533 specifications with certification.
- Excellent Heat Treatment Response – Suitable for post-weld heat treatment to improve durability and performance.
SA533/A533 Steel Plate Description
ASME SA533 / ASTM A533 steel plates supplied by HNS Steel are high-toughness, low-alloy plates designed for critical pressure vessel and nuclear reactor applications. Manufactured to meet stringent industry standards, these plates provide excellent impact resistance, weldability, and mechanical strength. Available in multiple classes and thicknesses, they serve industries including power generation, heavy machinery, and chemical processing. As a trusted manufacturer and exporter, we offer bulk supply, competitive pricing, and reliable delivery, catering to global suppliers and project contractors seeking durable steel solutions.
| ASME SA533 ASTM A533 Steel Plate Chemical Composition | |||
| Element | Class 1 (Max / Range) | Class 2 (Max / Range) | Class 3 (Max / Range) |
| Carbon (C) | 0.25 / 0.16 – 0.25 | 0.25 / 0.15 – 0.25 | 0.25 / 0.16 – 0.25 |
| Manganese (Mn) | 1.25 / 0.60 – 1.25 | 1.25 / 0.60 – 1.25 | 1.25 / 0.60 – 1.25 |
| Phosphorus (P) | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 | ≤ 0.035 | ≤ 0.035 |
| Silicon (Si) | 0.40 / 0.10 – 0.40 | 0.40 / 0.10 – 0.40 | 0.40 / 0.10 – 0.40 |
| Nickel (Ni) | 1.00 / Trace – 1.00 | 1.00 / Trace – 1.00 | 1.00 / Trace – 1.00 |
| Chromium (Cr) | 0.60 / Trace – 0.60 | 0.60 / Trace – 0.60 | 0.60 / Trace – 0.60 |
| Molybdenum (Mo) | 0.50 / Trace – 0.50 | 0.50 / Trace – 0.50 | 0.50 / Trace – 0.50 |
| Copper (Cu) | 0.50 / Trace – 0.50 | 0.50 / Trace – 0.50 | 0.50 / Trace – 0.50 |
| ASME SA533 ASTM A533 Steel Plate mechanical properties | |||
| Property | Class 1 | Class 2 | Class 3 |
| Yield Strength | Min 414 MPa (60 ksi) | Min 414 MPa (60 ksi) | Min 448 MPa (65 ksi) |
| Tensile Strength | 552 – 758 MPa (80–110 ksi) | 552 – 758 MPa (80–110 ksi) | 586 – 758 MPa (85–110 ksi) |
| Elongation | Min 22% (in 50 mm) | Min 22% (in 50 mm) | Min 22% (in 50 mm) |
| Impact Energy | ≥ 27 J @ -29°C (20 ft-lb @ -20°F) | ≥ 27 J @ -29°C (20 ft-lb @ -20°F) | ≥ 27 J @ -29°C (20 ft-lb @ -20°F) |
| Hardness (Brinell) | Max 229 HB | Max 229 HB | Max 229 HB |
ASME SA533/ ASTM A533pressure vessel steel Application
ASME SA533 / ASTM A533 steel plates are specially designed for applications demanding high toughness, strength, and reliability under extreme conditions. Their primary uses include:
Nuclear Reactor Vessels: Due to exceptional low-temperature toughness and weldability, widely used in reactor pressure vessels and nuclear power plant components.
Pressure Vessels and Boilers: Suitable for manufacturing high-pressure containers, boilers, and heat exchangers in power generation and petrochemical industries.
Heavy Equipment Manufacturing: Ideal for heavy machinery parts that require superior mechanical strength and fatigue resistance.
Shipbuilding Industry: Used in critical structural components that demand impact resistance and durability in harsh marine environments.
Oil & Gas Sector: Applied in pressure piping and storage tanks that operate under variable thermal and pressure conditions.
Its fine grain structure and alloy composition make it highly suitable for projects where safety, durability, and compliance with strict standards are essential.
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