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Maintenance

Nuclear Power Steel That Will Resist High Radiation Levels

As the need for low-background steel grows, our advanced materials offer exceptional protection against radioactive environments and minimize background radiation.

EXCEPTIONAL RADIATION
SHIELDING

Our nuclear steel offers exceptional radiation protection in nuclear power plants, ensuring safety for equipment and personnel. This high-performance steel supports efficient and safe nuclear energy generation by minimizing radiation risks in demanding environments.

SUPERIOR DURABILITY
AND LONGEVITY

With high radiation-induced wear and tear resistance, our nuclear steel maintains its integrity and functionality over long periods, making it a reliable energy source. This durability reduces the need for frequent replacements and maintenance.

ENHANCED STRUCTURAL
INTEGRITY

Our nuclear steel exhibits superior mechanical properties, including high strength and toughness, making it ideal for critical applications in the nuclear industry, such as nuclear reactors and other high-stress environments.

Types of Nuclear Steel

In nuclear applications, steel types like SA508, SA533, 304L, 316L, and SA516 are essential for their strength, corrosion resistance, and weldability in reactor vessels and piping, ensuring plant reliability. These are nuclear grade steel.

  • SA508: Used for nuclear reactor pressure vessel steel.
  • SA533: Also used for nuclear reactor pressure vessel steel.
  • 304L: Stainless steel used for nuclear power plant piping and structural components.
  • 316L: Stainless steel known for its corrosion resistance, used in nuclear power plant piping and equipment.
  • SA516 (Grades 60, 65, 70): Carbon steel plates used for nuclear reactor pressure vessels.
  • SA387: Alloy steel plates used in nuclear reactor pressure vessels and heat exchangers.
Composite image showing various industrial components, including machinery, yellow pipelines with valves, and a large cylindrical heat exchanger.
GradeYield Strength (MPa)Brinell Hardness (HB)Rockwell Hardness (HRB)Vickers Hardness (HV)Tensile Strength (MPa)Melting Point (°C)Density (g/cm³)Modulus of Elasticity (GPa)
SA508~350-450135-179B75-85140-210550-690~1400-14507.8200
SA533~345-485125-185B70-90130-220485-655~1400-14507.8200
304L~170-310130-190B70-90140-220485-6201400-14507.9193
316L~170-290140-190B75-95150-220485-6201375-14007.9193
SA516~260-380110-170B60-85115-210485-6201400-14507.85200
SA387~310-515140-200B70-95150-240550-760~1350-14007.85200

Applications

What is the corrosion resistance of the steel used in nuclear applications?

Nuclear applications require materials that can withstand high temperatures, pressure, and exposure to radioactive substances. Users need steel with excellent corrosion resistance, like 304L and 316L stainless steel, which contain at least 10.5% chromium and are known for their ability to resist corrosion in harsh environments, ensuring long-term durability.

What are the strength and toughness requirements for nuclear applications?

Steel used in nuclear reactors and pressure vessels must endure extreme pressure and temperature. For example, SA508 and SA533 steel, with yield strengths of around 350-450 MPa and 345-485 MPa, respectively, are chosen for their high strength and toughness, which are critical to maintaining structural integrity under these conditions.

How is the weldability of the steel used in nuclear plants?

Construction and maintenance of nuclear power plants involve extensive welding. Steel must have good weldability to prevent cracks and defects during welding. Stainless steels like 304L and 316L, with their low carbon content (less than 0.03%), are favored for their excellent weldability and minimal risk of intergranular corrosion.

What is the thermal stability of the materials used in nuclear reactors?

Materials in nuclear reactors operate at very high temperatures. Users need steel that remains stable and performs well under heat. For instance, SA387 alloy steel, known for its superior high-temperature properties, can withstand temperatures up to approximately 600°C, providing the necessary thermal stability.

How reliable are the materials in radioactive environments?

Steel in nuclear power plants must remain reliable under long-term exposure to radiation. Users prioritize materials like 304L and 316L stainless steels, which maintain their integrity under radiation, and SA508 and SA533 steels, which offer high toughness and resistance to radiation-induced embrittlement, ensuring the safe operation of the plant.

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