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S235JR Non-Alloy Structural Steel Plate Under EN 10025-2 Standard

4/3/2025

 
​S235JR is a non-alloy structural steel plate that conforms to the EN 10025-2 standard, widely recognized and used globally for its reliable mechanical properties and versatile applications. This article provides a comprehensive introduction to S235JR steel plates, covering their chemical composition, mechanical properties, heat treatment status, low-temperature impact testing, available dimensions, primary application scenarios, and supply cases by TJC Steel Group.
Chemical Composition
The chemical composition of S235JR steel plates is precisely controlled to ensure consistent quality and performance. The typical chemical elements and their permissible ranges are as follows: Carbon (C) ≤ 0.17% (or ≤ 0.22% in some specifications), Silicon (Si) ≤ 0.35%, Manganese (Mn) ≤ 0.65% (or up to 1.70% in some cases), Phosphorus (P) ≤ 0.030% (or ≤ 0.045%), and Sulfur (S) ≤ 0.030% (or ≤ 0.045%).
Mechanical Properties
S235JR steel plates exhibit excellent mechanical properties, making them suitable for various structural applications. The minimum yield strength is 235 MPa, while the tensile strength ranges from 360 to 510 MPa. The elongation at break is typically ≥18%, indicating good ductility. Additionally, the impact absorption energy at 0°C is required to be not less than 27J, ensuring material toughness under low-temperature conditions.
Heat Treatment Status
S235JR steel plates are generally supplied in the as-rolled condition, which means they have undergone hot rolling and may be followed by normalizing or stress-relieving annealing if necessary. The as-rolled condition provides a balance between strength, ductility, and weldability, making it suitable for most structural applications.
Low-Temperature Impact Testing
Low-temperature impact testing is conducted to assess the material's toughness at sub-zero temperatures. S235JR steel plates meet the impact energy requirements at 0°C, with a minimum impact absorption energy of 27J. This ensures that the material can withstand sudden loads and impact without brittle fracture in cold environments.
Available Dimensions
S235JR steel plates are available in a wide range of dimensions to meet various application needs. The thickness can vary from a few millimeters to hundreds of millimeters, while the width and length can be customized according to customer requirements. Common thicknesses include 12mm, 14mm, 16mm, and more, with lengths and widths typically in the range of 2500mm to 12000mm.
Primary Application Scenarios
Due to its good mechanical properties, welding performance, and processing performance, S235JR steel plates are widely used in various industries. Primary application scenarios include:
Structural components of buildings and bridges
Machinery and equipment parts
Shipbuilding and automotive industry
Manufacturing tools, dies, molds, and gauges
Logistics and warehousing systems, such as racks and shelves
Supply Cases by TJC Steel Group
TJC Steel Group is a leading supplier of S235JR steel plates, providing high-quality materials to customers worldwide. Our supply cases include:
Supplying large quantities of S235JR steel plates for the construction of a bridge in Europe, meeting strict quality and certification requirements.
Providing S235JR steel plates for the manufacturing of machinery parts in the automotive industry, ensuring dimensional accuracy and mechanical properties.
Supplying S235JR steel plates for the construction of storage racks in a logistics center, with excellent welding performance and corrosion resistance.
In conclusion, S235JR non-alloy structural steel plates under the EN 10025-2 standard offer a combination of good mechanical properties, welding performance, and processing performance, making them ideal for various structural applications. TJC Steel Group is committed to providing high-quality S235JR steel plates with timely delivery and competitive pricing, satisfying customers' diverse needs.
 

EN10025-2 S355J2G3 Non-Alloy Structural Steel Plate

4/3/2025

 
​The EN10025-2 S355J2G3 non-alloy structural steel plate is a high-strength, low-alloy steel that conforms to the European standard EN 10025-2. It is designed for use in various structural applications where high strength and corrosion resistance are required. This steel plate offers a combination of mechanical properties and welding performance, making it suitable for a wide range of industries.
Chemical Composition
The chemical composition of S355J2G3 steel plate is carefully controlled to ensure its excellent mechanical properties and corrosion resistance. The main chemical elements include: Carbon (C) ≤ 0.20%, Silicon (Si) ≤ 0.55%, Manganese (Mn) ≤ 1.60%, Phosphorus (P) ≤ 0.035%, and Sulfur (S) ≤ 0.035%. Additionally, it may contain trace amounts of alloying elements such as Chromium (Cr), Nickel (Ni), Vanadium (V), Copper (Cu), and Titanium (Ti), which further enhance the steel's performance.
Mechanical Properties
S355J2G3 steel plate exhibits impressive mechanical properties, including a tensile strength (Rm) ranging from 355 MPa to 510 MPa, depending on the plate thickness and heat treatment state. The yield strength (Re) is 345 MPa, and the elongation (A) is ≥22%, indicating good plastic deformation ability during tensile testing. The impact energy (KV) at -20°C is greater than 27J, demonstrating the steel's toughness at low temperatures.
Heat Treatment State
S355J2G3 steel plate is typically delivered in the normalized condition, which improves its mechanical properties and processing performance. However, it can also be subjected to other heat treatments or processing according to customer requirements, such as hot rolling, controlled rolling, thermomechanical controlled processing (TMCP), or annealing.
Low-Temperature Impact Test
The low-temperature impact test ensures that S355J2G3 steel plate maintains sufficient toughness at low temperatures. The steel plate has an impact absorption energy requirement of at least 27J at -20°C, ensuring it can withstand impact loads without fracture in cold environments.
Producible Size Range
S355J2G3 steel plate is available in a wide range of sizes to meet different application needs. The thickness can vary, with common sizes including 6-50mm for medium plates and thicker plates up to 400mm available upon request. The width typically ranges from 1000-4000mm, and the length can be customized according to customer specifications.
Main Application Scenarios
Due to its high strength, good ductility, and excellent welding performance, S355J2G3 steel plate is widely used in various industries:
Structural Engineering: It is commonly used in building and bridge construction, particularly in areas requiring high load-bearing capacity and strength.
Shipbuilding: Its corrosion resistance makes it suitable for ship manufacturing and maintenance.
Petrochemical Industry: The corrosion resistance of S355J2G3 steel plate meets the requirements of special environments in petroleum and chemical equipment.
Machinery Manufacturing: It is used to manufacture machinery parts such as gears and bearings.
TJC Steel Group Supply Cases
TJC Steel Group is a leading supplier of S355J2G3 steel plate, providing high-quality materials to customers worldwide. Our supply cases include delivering large quantities of S355J2G3 steel plate for use in bridge construction projects, shipbuilding, and petrochemical plants. We ensure that each batch of steel plate meets the stringent requirements of EN10025-2, providing customers with reliable and durable materials for their projects.
In conclusion, the EN10025-2 S355J2G3 non-alloy structural steel plate is a versatile material suitable for a wide range of applications due to its excellent mechanical properties, corrosion resistance, and good welding performance. TJC Steel Group is committed to providing high-quality S355J2G3 steel plate to meet the needs of customers in various industries.
 

Introduction to EN10025-2 S450J0 Non-Alloy Structural Steel Plate

4/3/2025

 
EN10025-2 S450J0 is a non-alloy structural steel grade that is widely recognized for its excellent mechanical properties and versatile applications in various industries. This grade is specified according to the European standard EN10025, which covers the technical delivery conditions for flat products of hot rolled non-alloy structural steels.
Chemical Composition:
The chemical composition of S450J0 is carefully controlled to ensure the required mechanical properties and weldability. The typical chemical composition is as follows:
  • Carbon (C): ≤ 0.20%
  • Silicon (Si): ≤ 0.55%
  • Manganese (Mn): ≤ 1.60%
  • Phosphorus (P): ≤ 0.035%
  • Sulfur (S): ≤ 0.035%
  • Aluminum (Al): ≥ 0.020%
  • Nitrogen (N): ≤ 0.012%
  • Niobium (Nb): ≤ 0.05%
  • Titanium (Ti): ≤ 0.03%
  • Vanadium (V): ≤ 0.11%
Mechanical Properties:
The mechanical properties of S450J0 are characterized by its high strength and toughness. The following are the typical mechanical properties:
  • Yield Strength: ≥ 450 MPa
  • Tensile Strength: 550 - 700 MPa
  • Elongation: ≥ 17%
  • Impact Energy (at -20°C): ≥ 27J
Heat Treatment State:
S450J0 structural steel plates are generally supplied in the thermomechanically rolled condition (TMCP). This process ensures that the steel has a fine grain structure and improved mechanical properties without the need for further heat treatment after rolling.
Low-Temperature Impact Test:
The steel is subjected to a Charpy V-notch impact test at -20°C to ensure its toughness and ability to withstand low-temperature conditions. This is particularly important for applications in cold environments.
Available Dimensions:
TJC Steel Group offers S450J0 structural steel plates in a wide range of sizes to meet the demands of various projects. The typical available dimensions are:
  • Thickness: 6 - 300 mm
  • Width: 1500 - 4020 mm
  • Length: 3000 - 27000 mm
Main Applications:
S450J0 steel plates are used in a variety of applications where high strength and good toughness are required. Some of the common applications include:
  • Construction of bridges and other structures
  • Heavy machinery and equipment manufacturing
  • Offshore structures
  • Wind turbine towers
  • Earthmoving and mining equipment
TJC Steel Group Supply Cases:
TJC Steel Group has extensive experience in supplying high-quality S450J0 structural steel plates to various industries. One notable supply case involved the construction of a major bridge project in Europe, where our S450J0 plates were used for the main load-bearing structures due to their superior strength and durability. Another case was the supply of steel plates for the construction of a high-speed rail network in Asia, where the steel's excellent low-temperature impact properties were crucial.
In conclusion, EN10025-2 S450J0 non-alloy structural steel plate is a versatile material that offers high strength and toughness, making it suitable for a wide range of demanding applications. TJC Steel Group is a trusted supplier of this material, providing high-quality products and reliable service to customers worldwide.
 

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