S235JR high strength structural steel, as a widely recognized and commonly used carbon structural steel under European standards, has become a preferred material in modern building structures due to its stable mechanical properties, excellent processing performance and reliable impact resistance.
It not only meets the basic load-bearing requirements of building frames, floor supports, steel components and auxiliary structures, but also adapts to diversified construction scenarios such as commercial buildings, industrial workshops, residential steel structures and prefabricated buildings.
Chemical Composition of S235JR High Strength Structural Steel
| Element | Typical Value |
|---|---|
| Carbon (C) | 0.14 – 0.16% |
| Manganese (Mn) | 0.60 – 1.00% |
| Phosphorus (P) | ≤ 0.025% |
| Sulfur (S) | ≤ 0.020% |
| Nitrogen (N) | ≤ 0.008% |
| Copper (Cu) | ≤ 0.30% |
Mechanical Properties of S235JR High Strength Structural Steel
| Element | Typical Value |
|---|---|
| Yield Strength | ≥235 MPa (thickness ≤16mm) |
| Tensile Strength | 360-510 MPa |
| Elongation | ≥26% |
| Impact Toughness | ≥27J (room temperature) |
Why S235JR High Strength Structural Steel is the Preferred Choice for Structural Applications?
For structural applications, materials must not only withstand weight but also be easy to install on-site and durable enough to last for decades.S235JR High Strength Structural Steel perfectly meets these requirements：
Optimized Yield Strength: S235JR has a minimum yield strength of 235 MPa, providing the necessary resistance to deformation for medium-load structural frames and secondary bracing.
Excellent Ductility: Structures must be able to withstand dynamic forces such as wind or minor earthquakes. S235JR's high elongation (≥ 24%) ensures the steel can absorb energy without brittle fracture.
Superior Weldability: Structural engineering involves numerous connections. S235JR's low carbon content allows for high-quality, high-speed welding using all standard welding methods (MIG, TIG, arc welding) without the need for expensive preheating.
Manufacturing Efficiency: Its ease of cutting, drilling, and bolting makes it ideal for rapid assembly of precast steel structures (PEB).
Primary Structural Applications of S235JR high strength structural steel
Industrial Construction: Main frames for factories, warehouses, and cold-storage facilities.
Infrastructure: Bridge walkways, highway sign gantries, and secondary support structures for railway networks.
Architectural Projects: Steel skeletons for residential buildings, staircases, and stadium roofing supports.
Energy Sector: Support frameworks for solar panel arrays, transmission tower bases, and substation structures.
Marine & Shipbuilding: General structural parts for decks and non-critical hull components.
What Benefits Can GNEE Provide About S235JR High Strength Structural Steel?
1.GNEE Steel provides a "Ready-to-Assemble" solution for structural contractors:
Custom CNC Fabrication: We offer precision laser and plasma cutting, along with CNC drilling for bolt holes, based on your structural blueprints.
Surface Protection: To prevent corrosion in outdoor structural applications, we provide Hot-Dip Galvanizing (HDG), sandblasting, and professional-grade priming.
Section Forming: Beyond flat plates, we supply S235JR in H-Beams, I-Beams, Channels, and Angles to complete your structural kit.
2.Certified Quality: 100% of GNEE's S235JR plates are delivered with EN 10204 3.1 Mill Test Certificates, ensuring full material traceability.
3.Global Logistics:GNEE has 15+ years of experience exporting structural steel to 120+ countries, ensuring seaworthy packaging and on-time delivery to your job site.
4.Technical Support: GNEE's engineers can help you determine if S235JR is the right fit for your load-bearing requirements or if a higher grade like S355JR is needed.
Contact now to get S235JR high strength structural steel quote
| Material Grade | S235JR(1.0038) |
| Standard | GB,ASTM,DIN,JIS,NF,BS,ISO,ROCT |
| Thickness | 0.1mm-300mm or as required |
| Width | 1000-5000mm,such as 1220mm 1250mm 1500mm (as customer's required) |
| Length | 1-12m,such as 2440mm 2500mm 3000mm or as required |
| Surface | Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE,ect |
| Technique | Hot Rolled /Cold Rolled |
| Application | Ship building Industry , building construction,bridge, architecture,pressure vessel steel,etc. |
| Trade Terms | EXW,FOB,CIF CFR |
| Loading Port | Shanghai port, Tianjin port, Qindao port |
| Payment terms | 1) 30% deposit by T/T, the balance against copy of B/L by T/T. |
| 2) 30% deposit by T/T, the balance by L/C at sight. | |
| 3) 100% L/C at sight. | |
| MOQ | 2 Ton |
| Packing Detail | Standard Seaworthy Package or customer requirements |
| Delivery time | 1.Usually,within10-20days after receiving deposit or LC. 2.According to the order quantity |
| Samples | Free samples are provided but the fright is borne by the buyer |
What is the strength of S235JR steel?
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.
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.
What is the meaning of S235JR?
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 Indian equivalent of S235JR?
S235JR equivalent Indian material is IS2062 steel. S235JR steel and S235JR equivalent Indian material IS2062 can be made into many steel products, such as H beam, I beam, C channel, steel plate, angle steel, steel pipe, etc.