Features of S355J2+N Steel Plates:
>>> What is S355J2+N Steel Plates?
S355J2+N steel plates refer to a specific type of high-strength, low-alloy structural steel grade. These plates are often used in various engineering and construction applications due to their excellent mechanical properties. Here’s a breakdown of what S355J2+N steel plates are:
S355J2+N: This designation specifies the steel grade. “S” indicates it is a structural steel, “355” represents the minimum yield strength in megapascals (MPa), and “J2” denotes a minimum impact energy value of 27 Joules at -20°C. The “+N” signifies that the steel plates are supplied in a normalized condition, which means they have undergone controlled heat treatment to enhance their mechanical properties.
High Strength: S355J2+N steel is known for its high yield strength, with a minimum of 355 MPa. This makes it suitable for structural applications that require strength and load-bearing capacity.
>>>S355J2+N steel properties
S355J2+N is a high-strength, low-alloy structural steel with specific mechanical and chemical properties. Here are some of the key properties of S355J2+N steel:
Yield Strength: The minimum yield strength of S355J2+N steel is 355 megapascals (MPa), hence the “355” in its name. This means the steel can withstand a certain amount of stress without undergoing permanent deformation.
Tensile Strength: The tensile strength of S355J2+N steel typically ranges from 450 to 680 MPa. It represents the maximum amount of stress the material can endure before breaking.
Elongation: S355J2+N steel usually has a high elongation percentage, which means it can stretch or deform significantly before failure. The specific elongation value can vary based on the thickness and product form.
Impact Resistance: S355J2+N steel is known for its good impact resistance. It has a minimum impact energy requirement of 27 Joules at -20°C (denoted as “J2” in the name), indicating its ability to absorb energy under impact conditions.
Normalized Condition: The “+N” designation signifies that the steel is supplied in a normalized condition, which means it has undergone controlled heat treatment to improve its mechanical properties, particularly toughness.
It’s important to note that the mechanical and chemical properties of S355J2+N steel can vary based on factors such as the plate thickness, heat treatment, and the manufacturer’s specifications. Therefore, it’s essential to consult the manufacturer’s data sheets and relevant standards (e.g., EN 10025-2) to ensure that the specific material used in your project meets your requirements.
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>>>S355J2+N Plate Specifications
S355J2+N is a structural steel grade that conforms to various material specifications, primarily based on regional and international standards. The most common material specification for S355J2+N steel is EN 10025-2: 2004, which is the European standard for hot-rolled structural steel products. Below are some of the key material specifications for S355J2+N steel:
EN 10025-2: 2004 (European Standard):
- EN 10025-2 is the European standard for hot-rolled structural steel products.
- It specifies the technical delivery conditions for normalized/normalized-rolled weldable fine grain structural steels, including S355J2+N.
- This standard outlines the chemical composition, mechanical properties, and other technical details required for the material.
| Item | S355J2+N – Offshore & Structural Steel Plate |
| Thickness | 5mm-150mm |
| Width | 1000mm-4500mm |
| Length | 3000mm-18000mm or as custom’s request |
| Material | En 10025-2 Steel Plate, S355J2+N Steel Plate |
| Technique | hot rolled |
| Standard | EN 10025-2:2004 |
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>>>Equivalent Grade of S355J2 Plate
Equivalent grades of S355J2+N steel plate can vary depending on the standard and the country where the steel is used. S355J2+N is a European steel grade, and in many cases, the equivalent grades are from other international standards. Here are some common equivalent grades for S355J2+N steel:
ASTM A572 Grade 50 (USA):
- ASTM A572 Grade 50 is an American high-strength, low-alloy structural steel that is often considered an equivalent to S355J2+N. It has similar mechanical properties and is widely used in the United States.
DIN 17100 St52-3 (Germany):
- St52-3 is a German steel grade that is often considered equivalent to S355J2. It has similar mechanical properties and is widely used in Germany and neighboring countries.
JIS G3106 SM490B / SM490C (Japan):
- The SM490B and SM490C grades in the JIS G3106 standard are often considered similar to S355J2. They are commonly used in Japan and some other Asian countries.
EN 10025 S355J2G3 (European):
- S355J2G3 is a European steel grade that is similar to S355J2. It’s part of the EN 10025 standard, which includes S355J2, S355J2+N, and S355J2G3.
ISO 630-2 (International):
- ISO 630-2 is an international standard that provides technical delivery conditions for structural steels. It may include equivalent grades to S355J2+N depending on the specific grade and application.
It’s important to note that the exact equivalent grade can vary depending on the specific requirements and application. The choice of equivalent grade should consider not only the mechanical properties but also factors like weldability, product form, and regional or project-specific standards. When specifying or sourcing steel for a particular project, consulting with steel suppliers or referring to the relevant standards and specifications is crucial to ensure the right material is selected.
EQUIVALENT GRADE OF S355J2+N PLATE
| EN 10025-2 | DIN | JISASTM | ASTM | |||
| S355J2+N | 1.0577+N | 17100 | St52-3N | G3106 | SM490YB | A572-50 |
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>>>S355J2+N Plate Chemical Composition
The chemical composition of S355J2+N plates typically conforms to specific standards and specifications, with slight variations possible depending on the manufacturer. Here’s a general overview of the chemical composition of S355J2+N steel according to the European standard EN 10025-2:
Carbon (C): Typically, the carbon content in S355J2+N steel is less than 0.22%. Low carbon content improves weldability and ductility.
Silicon (Si): Silicon content is often less than 0.55%. Silicon contributes to the steel’s strength and some degree of corrosion resistance.
CHEMICAL COMPOSITION OF S355J2+N PLATE
| Grade | C | Mn | Si | P | S | Cu | CEV |
| S355J2+N | 0.22 max. | 1.60 max. | 0.55 max. | 0.035 max. | 0.035 max. | 0.55 max. | 0.47 max. |
MECHANICAL PROPERTIES OF S355J2+N PLATE
The mechanical properties of S355J2+N plates provide important information about the material’s behavior under different loads and conditions. These properties are typically specified according to relevant standards, such as EN 10025-2 for European steel products. Here are some of the key mechanical properties of S355J2+N plates:
Yield Strength: The minimum yield strength of S355J2+N plates is typically 355 megapascals (MPa), as indicated by the “355” in its name. This is the stress at which the material begins to deform plastically.
Tensile Strength: S355J2+N plates typically have a tensile strength in the range of 450 to 680 MPa. This represents the maximum stress that the material can withstand before breaking.
| Thickness (mm) | Yield Strength Reh min (N / mm²) | Tensile Strength Rm min (N / mm²) | Elongation A5 min (%) | Impact Values Charpy-V-Notch Longitudinal Average from 3 Speimens Thk. >10<150mm. |
3| 315-355 |
490-630 |
max 22 |
27 Joules at -20 C |
|
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