EN 10025 S355J2+N Material Definition
S355J2+N is a fine grain structural steel under the European standard EN 10025 series.
Execution Standard: EN 10025-2 (Full designation: Thermomechanically Rolled Weldable Fine Grain Structural Steels)
Delivery Condition: Normalized (N) or normalized rolled delivery
Grain Size: Minimum ferritic grain size ≥6 (equivalent to EN ISO 643)
| Symbol | Meaning |
|---|---|
| S | Structural steel |
| 355 | Minimum yield strength of 355 MPa (for thickness ≤16mm) |
| J2 | Charpy V-notch impact test at -20°C (minimum 27J energy requirement) |
| +N | Normalized/normalized rolled delivery condition |
Mechanical Properties
Yield strength: ≥355 MPa
Tensile strength: 470–630 MPa
Elongation: ≥22% (thickness ≤16mm)
Impact toughness: ≥27J at -20°C (longitudinal specimen)
Equivalent Chinese Standard
GB/T 1591-2018: Q355D (matches core mechanical properties)
Additional Technical Options
Through-thickness performance:
Customizable Z-direction grades (e.g., S355J2+N-Z15, Z25, Z35)
Non-destructive testing:
Adaptable to GB (Chinese), ASTM (American), or EN (European) standards6
Dimensional customization:
Tailored length/width to minimize material waste
Composition control:
Adjustable phosphorus (P) and sulfur (S) content (standard: P≤0.025%, S≤0.025%)
Certification:
Direct EN 10204 Type 3.2 inspection certificate support for export applications
What is S355j2 N equivalent to?
The S355j2+n equivalent material is DIN 17100, St52-3N, JIS G3106, SM490YB, and ASTM A572 Gr50.
What is S355J2 equivalent material in China?
Q345D
EN10025 S355J2 is low alloy steel commonly used in Europe. EN10025 S355J2 equivalent grade in China is Q345D. Their chemical composition is slightly different and mechanical properties are similar
Is ASTM A36 equivalent to S235jr?
Equivalent Materials:
ASTM A36: ASTM A36 is an American standard carbon structural steel specification, which is often used in structural applications. It is closest to S235JR in terms of chemical composition.
What is the ASTM equivalent of s235 steel?
ASTM A36
So what is EN 10025 S235JR ASTM equivalent steel grades? EN 10025 S235JR ASTM equivalent steel grades are ASTM A36, ASTM A283 Grade C/A283 Gr.
What is the Chinese equivalent of S235JR steel?
Q235B
The closest Chinese equivalent to S235JR (EN 10025-2) is Q235B (GB/T 700-2006). While these grades share similar mechanical properties, subtle differences in composition and performance must be carefully evaluated for compliance and safety.
What is the difference between ASTM A36 and A105?
ASTM A36 is a low-carbon steel favored for its welding properties and is suitable for machining, making it a common material for steel flanges. ASTM A105 is the standard for carbon steel piping components, particularly for high-temperature applications.
What is the ASTM standard equivalent of S355J2?
EN 10025 S355J2 equivalent to ASTM A992/A992M; Australian AS/NZS 3678: Grade 350 L20; Canadian G40.
What is the difference between S235 and S355 steel?
These are thermomechanically rolled steels, where the "S" stands for "Structural steel" and the number indicates the yield strength in MPa. For example, S355 has a yield strength of 355 MPa, which is 50% higher than that of S235.
What is S235J2 equivalent material?
EN10025 S235J2 is a carbon steel grade with good structural properties. Some common equivalent materials for EN10025 S235J2 carbon steel plate include: ASTM A36: A widely used structural steel in the U.S. that has similar properties in terms of tensile strength and yield strength.
Which is better, S275 or S355?
Overall, both S275 structural steel and S355 construction steel have good mechanical strength and versatility of use. S355 steel has a higher price than the S275 type. Despite this price difference, S355 structural steel is often preferred due to its lower structural weight compared to S275 type.
