SPV450 is a steel plate grade specifically designed for boilers and pressure vessels, produced according to the JIS G3115 standard. It is known for its high yield strength and excellent weldability, making it suitable for intermediate-temperature services in demanding industrial environments.
Key Technical Specifications
| Property | Value | Source |
|---|---|---|
| Yield Strength (Min) | 450 MPa (for thickness ≤ 50mm) | Gangsteel |
| Tensile Strength | 570 - 700 MPa | Bebon Steel |
| Elongation (Min) | 19% | Honghua Steel |
| Chemical Composition | C ≤ 0.18%, Si ≤ 0.75%, Mn ≤ 1.60% | JFS Steel |
SPV450 PVQ Steel Plate Chemical Composition:
| Grade | C% | SI% | Mn% | P% | S% |
| SPV450 | 0.2 | 0.8 | 1.7 | 0.02 | 0.01 |
| ≤0.18 | ≤0.75 | ≤0.16 | ≤0.030 | ≤0.030 |
application
Primary Industries
SPV450 steel plates are most commonly used in the following heavy industries:
Petroleum and Chemical Industry: For manufacturing process equipment that operates under high pressure and intermediate temperatures.
Power Generation: Used in the construction of power stations, particularly in the components related to boiler systems.
Gas Projects: Essential for infrastructure in the oil and gas sector, including storage and transportation.
Specific Equipment
The high yield strength and reliability of SPV450 make it ideal for fabricating specific types of critical equipment:
Pressure Vessels: This is the main application for SPV450 steel, used to create containers that hold liquids or gases at a pressure substantially different from the ambient pressure.
Boilers and Boiler Drums: Utilized in the high-pressure sections of boilers where safety and durability are paramount.
Heat Exchangers: Components requiring robust material to manage heat transfer processes within industrial systems.
Storage Tanks: Fabrication of spherical tanks and liquefied petroleum gas (LPG) storage vessels.
Reactors: Used in various chemical and nuclear reactor pressure vessels.
Separators: Components used to separate different phases of fluids (e.g., oil, gas, water) in processing plants.
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If you have project requirements for SPV450 , we welcome your inquiry. GNEE maintains a large inventory of commonly used high strength steel grades for your selection.For detailed mechanical properties, chemical composition, and technical data, as well as free samples, please contact our factory immediately. We offer competitive prices, stable quality, and professional service. Email:beam@gneesteelgroup.com.
Does SPV450 have good fatigue resistance?
SPV450 has good fatigue resistance. It can withstand repeated loads and vibrations for a long time without fatigue failure, which is very important for components such as machinery shafts and crane structures.
What are the storage requirements for SPV450 steel plates?
SPV450 steel plates should be stored in a dry, well-ventilated warehouse to avoid moisture and rust. They should be placed horizontally on wooden supports, away from chemicals that may cause corrosion.
Can SPV450 be combined with other materials for use?
Yes, SPV450 can be combined with other materials such as ordinary carbon steel, stainless steel or aluminum alloy. Through welding or mechanical connection, it can give full play to the advantages of different materials and reduce costs.
What is the impact toughness of SPV450?
The impact toughness of SPV450 (at 20°C) is not less than 30 J/cm². Good impact toughness ensures that it can absorb impact energy when subjected to external impact, avoiding sudden fracture.
Is SPV450 suitable for manufacturing construction machinery parts?
Absolutely. SPV450 is ideal for manufacturing construction machinery parts such as excavator buckets, bulldozer blades and crane booms. Its high strength and wear resistance can withstand harsh construction site conditions.
What is the thermal conductivity of SPV450?
The thermal conductivity of SPV450 is about 45 W/(m·K) at room temperature. This thermal conductivity performance is conducive to heat dissipation of components during operation, avoiding overheating damage.
Can SPV450 be painted for decoration?
Yes, SPV450 can be painted for decoration and further anti-corrosion. Before painting, the surface should be derusted and cleaned to ensure good adhesion between the paint and the steel surface.
What are the common defects of SPV450 during processing?
Common defects during SPV450 processing include weld cracks, deformation and surface scratches. These defects can be avoided by controlling processing parameters, improving operation skills and conducting pre-heat treatment.
What is the cost advantage of SPV450 compared to other high-strength steels?
SPV450 has a relatively moderate cost compared to high-end high-strength steels such as stainless steel. It balances performance and cost, making it a cost-effective choice for many industrial applications that require high strength.
How to ensure the quality of SPV450 during production?
To ensure SPV450 quality during production, strict control of raw material composition, smelting temperature and rolling process is required. Post-production inspection such as ultrasonic testing and mechanical property testing is also essential.