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How to choose the S235JR steel plate

Jan 31, 2026 Leave a message

S235JR (+N) is a non-alloy structural steel in accordance with EN 10025-2, widely used for welded and bolted structural applications. With stable mechanical properties, excellent weldability, and good cold-forming performance, S235JR is one of the most commonly used carbon structural steels worldwide.

 

S235JR (+N)

S235JR (+N)

 

We stock large quantities of S235JR (+N) steel plates, with thicknesses up to 200 mm, ensuring fast delivery for both standard and heavy-section projects.

 

S235JR (+N) Steel Plate Availability

 

Our S235JR (+N) plates are available in a wide size range, suitable for fabrication, construction, and heavy engineering applications.

Stock range:

Thickness: 5 – 200 mm

Width: Up to 3.5 metres

Length: Up to 14 metres

Most plates are supplied from European mills, typically Tata Steel, ArcelorMittal, or Clabecq, ensuring consistent quality and full traceability.

Certification options:

EN 10204 3.1

EN 10204 3.2 (widely available)

Delivery condition:

As Rolled (AR)

Normalised (+N)

 

S235JR Steel Standard & Designation

 

Standard: EN 10025-2

Steel number: 1.0038

Grade: S235JR (+N)

Equivalent Steel Grades

S235JR is commonly accepted as equivalent to the following international grades:

Standard Equivalent Grade
DIN EN ST37-2
JIS SS400
ASTM A283 Grade C
UNI FE 360 B
EN 10025:1990 FE 360 B
NFA 35-501 E24-2

Note: While these grades are similar, exact chemical limits and mechanical values may vary by standard.

 

Chemical Composition of S235JR Plate (%)

 

Element Max (%)
Carbon (C) 0.20
Manganese (Mn) 1.40
Phosphorus (P) 0.04
Sulfur (S) 0.04
Nitrogen (N) 0.012
Copper (Cu) 0.55
Carbon Equivalent (CEV) 0.38

The low carbon content and controlled CEV ensure excellent weldability without the need for preheating in most applications.

 

Mechanical Properties of S235JR Plate

 

Tensile Strength (Rm)

Nominal Thickness (mm) Rm (MPa)
≤ 3 360 – 510
3 – 100 360 – 510
100 – 150 350 – 500
150 – 250 340 – 490

 

Minimum Yield Strength (ReH)

Nominal Thickness (mm) ReH Min (MPa)
≤ 16 235
16 – 40 225
40 – 63 215
63 – 80 215
80 – 100 215
100 – 150 195
150 – 200 185
200 – 250 175

 

Impact Test (Charpy V)

Test Temperature Min Impact Energy
-20 °C 27 J
0 °C 27 J
+20 °C 27 J

 

Elongation Properties

Lo = 80 mm

Thickness (mm) Min Elongation (%)
≤ 1 17
1.5 – 2 18
2 – 2.5 19
2.5 – 3 20
≥ 3 21

Lo = 5.65 √So

Thickness (mm) Min Elongation (%)
≤ 40 26
40 – 63 25
63 – 100 24
100 – 150 22
150 – 250 21

 

Key Features of S235JR (+N) Steel

 

  • Low-carbon, non-alloy structural steel
  • Excellent weldability and formability
  • Stable mechanical performance across wide thickness range
  • Suitable for heavy plates up to 200 mm thick
  • Available with EN10204 3.2 certification
  • European mill origin ensures consistent quality

 

Typical Applications of S235JR Steel Plate

 

S235JR (+N) is widely used in:

Structural steel fabrication

Bridges and buildings

Heavy machinery frames

Offshore and onshore steel structures

Transmission towers

Crane booms, trailers, and lifting equipment

General engineering and fabrication projects

 

Contact us now for the latest S235JR steel plate

 

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What is S235JR material?

Steel grade S235JR is a popular general construction and machine steel that is made in accordance with the EN 10025-2 standard. Classification: Non-alloy structural steel. Products: Semi-finished products, long products and sheet hot-rolled products, wire rod and forgings.

 

What is S235JR steel equivalent to?

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 does the JR stand for in S235JR?

S235JR: The letter "S" stands for "Structural," indicating that the steel is a construction steel. The number "235" represents the minimum yield strength, i.e., 235 MPa (megapascals). The symbol "JR" refers to the toughness and impact resistance of the steel.

 

What is the yield strength of S 235 Jr?

Grade S235JR has a minimum yield strength of 235 MPa. The impact energy at a room temperature of 20°C is at least 27 joules. Steels of grade S235JR are suitable for low-stressed parts in steel and mechanical engineering.

 

Is S235JR a mild steel?

S235JR is a specific grade of mild steel defined under EN 10025. While it sits within the mild steel category, it has controlled chemical and mechanical properties that make it more predictable than generic or ungraded mild steel.

 

What is S235JR steel material?

S235JR is a low-carbon, non-alloy structural steel defined by the EN 10025-2 standard. The "S" stands for "structural," meaning it is intended for use in load-bearing parts of buildings, machinery, or infrastructure.

 

What is the difference between S235JR and S355JR?

Yield Strength: S235JR has a nominal yield strength of 235 MPa, while S355JR offers a higher yield strength of 355 MPa. This 50% increase in yield strength makes S355JR capable of withstanding greater loads, making it more suitable for high-stress structural applications.

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