S355JR Steel Plate — Higher Strength Structural Steel Built for Engineering Load Performance
Unlike basic mild steel grades such as A36 or Q235, S355JR steel plate belongs to the EN 10025 high-strength structural steel family, offering significantly improved yield strength and structural reliability.
This makes it a preferred choice for heavier load engineering structures, steel frameworks, industrial equipment bases, and welded construction systems where standard carbon steel is no longer sufficient.
✔ Higher strength than S235JR / A36 class steels
✔ Excellent balance of strength, weldability, and toughness
✔ Widely used in European engineering and construction projects
✔ Ideal upgrade material for structural optimization
As a professional S355JR steel plate supplier and exporter, we provide stable stock, project-based procurement support, and fast global delivery for construction and industrial buyers.
S355JR Steel Plate Supply (Stock, Size & Export Ready)
We supply S355JR structural steel plates in multiple specifications suitable for engineering fabrication and heavy structural use.
- Standard: EN 10025-2
- Grade: S355JR
- Thickness Range: 3mm – 250mm
- Width Range: 1000mm – 4000mm
- Length: 6000mm – 18000mm (custom cutting available)
- Delivery Condition: Hot Rolled
- Surface Condition: Black / Pickled / Shot blasted / Oiled
- MOQ: 10–25 tons
- Supply Type: Stock + Mill production + Export consolidation
S355JR Chemical Composition
The S355JR steel chemical composition is designed for higher strength while maintaining weldability.
- Carbon (C): ≤ 0.24%
- Manganese (Mn): ≤ 1.60%
- Silicon (Si): ≤ 0.55%
- Phosphorus (P): ≤ 0.035%
- Sulfur (S): ≤ 0.035%
- Nitrogen (N): ≤ 0.012%
- Copper (Cu): ≤ 0.55% (optional)
Compared with A36, S355JR typically uses tighter impurity control and improved strength consistency for European structural standards.
S355JR Mechanical Properties
The S355JR mechanical performance provides higher load-bearing capacity for structural engineering.
| Property | Value |
|---|---|
| Yield Strength | ≥ 355 MPa (≤ 16mm thickness) |
| Tensile Strength | 470 – 630 MPa |
| Elongation | ≥ 22% |
| Impact Toughness | 27J at +20°C |
This combination allows S355JR to support larger spans, heavier loads, and more demanding structural designs compared with standard mild steel grades.
S355JR Steel Plate Applications
The S355JR steel plate for structural engineering is widely used in mid-to-high load construction and fabrication projects:
- Steel building structures and industrial frames
- Bridges and infrastructure components
- Heavy machinery base structures
- Welded fabrication systems
- Offshore and inland support structures
- Engineering platforms and load-bearing frames
- Crane and lifting structure components
It is often selected as a cost-performance upgrade from S235JR or A36 in European projects.
Why Choose Our S355JR Steel Plate Supplier
S355JR is not just a “general steel” — it is often chosen when engineering reliability and structural upgrade requirements are critical.
- Stable stock for construction and industrial projects
- Competitive export pricing for bulk procurement
- Full MTC certification (EN 10204 3.1 available)
- Precision cutting for engineering fabrication
- Strict dimensional and mechanical inspection
- Experience supplying European-standard projects
- Strong logistics support for large structural orders
S355JR Steel Plate Packaging, Transportation & Shipping
We provide professional export packaging and logistics solutions for S355JR steel plate to ensure safe handling of heavy structural materials during international transport.
Packaging
- Steel strip bundling with reinforced edge protection
- Anti-rust oil coating for long-distance shipment
- Waterproof plastic film wrapping
- Wooden pallet or steel frame reinforcement (optional)
- Clear marking: grade, size, heat number, batch ID
Transportation
- Inland trucking to port warehouses
- Container or bulk vessel shipment depending on thickness and tonnage
- Reinforced loading for heavy plate stability
- Cargo insurance available for high-value shipments
Shipping & Delivery
- Stock delivery: 7–15 days
- Production lead time: 20–40 days
- Global export: Europe, Middle East, South America, Africa, Southeast Asia
- Trade terms: FOB / CFR / CIF supported
We ensure safe, stable, and cost-efficient delivery for engineering and structural procurement projects.
S355JR Steel Plate FAQ
1. What is the price of S355JR steel plate?
The price depends on thickness, quantity, surface condition, and market steel trends. We provide project-based export pricing with competitive bulk rates.
2. What is S355JR steel plate used for?
It is used for structural engineering, bridges, steel buildings, machinery bases, and heavy fabrication projects requiring higher strength than standard mild steel.
3. What is the difference between S355JR and A36 steel plate?
S355JR offers higher yield strength (355 MPa vs 250 MPa of A36), making it suitable for heavier structural loads and European engineering standards.
4. What is the delivery time and packaging for S355JR steel plate export orders?
Stock orders ship in 7–15 days, production orders in 20–40 days. All shipments use export-grade seaworthy packaging with anti-rust protection and reinforced bundling for structural steel transport safety.