S355 High Yield Steel Sheets
S355 Carbon Steel Plate offers superior strength, toughness, and weldability, perfect for heavy-duty construction and industrial B2B projects.
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High Yield Strength: Provides minimum 355 MPa, suitable for structural and engineering applications.
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Excellent Toughness: Maintains performance under harsh conditions and heavy loads.
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Good Weldability: Compatible with MIG, TIG, and arc welding techniques.
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Wide Thickness & Size Range: Available in multiple dimensions for diverse project requirements.
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Durable & Cost-Efficient: Ideal for long-term industrial and construction projects.
S355 Steel Plate Description
S355 Carbon Steel Plate is a non-alloy structural steel grade under EN 10025 standard, designed for high-strength and durable applications.
It is widely used in bridges, heavy machinery, construction, and transportation equipment.
S355 provides higher yield strength (≥ 355 MPa) than S275, making it ideal for load-bearing structures and industrial fabrication.
The steel plate is easily processed, welded, and painted or galvanized to protect against corrosion, offering long service life and reduced maintenance costs for B2B buyers globally.
| S355 Chemical Composition | ||
| Element | Max % | Typical Range / Note |
| Carbon (C) | ≤ 0.23 | Controls strength and hardness |
| Silicon (Si) | ≤ 0.55 | Improves strength and elasticity |
| Manganese (Mn) | 1.60–2.00 | Enhances toughness and strength |
| Phosphorus (P) | ≤ 0.035 | Low to maintain ductility |
| Sulphur (S) | ≤ 0.035 | Low to prevent brittleness |
| Nitrogen (N) | ≤ 0.012 | Optional, controls grain size |
| S355 Mechanical Properties | ||
| Property | Metric Value | Condition / Note |
| Yield Strength (min) | 355 MPa | Thickness ≤ 16 mm |
| Tensile Strength | 470–630 MPa | Depending on thickness |
| Elongation (A5) | ≥ 22% | Thickness ≤ 40 mm |
| Impact Test (Charpy V-notch) | 27 J @ 20°C | S355JR grade |
| Modulus of Elasticity | ~210 GPa | Typical for carbon steel |
| Hardness (Brinell) | 140–190 HB | Approximate range |
S355 Steel Plate Applications
S355 Carbon Steel Plates are widely used in heavy-duty construction, bridges, industrial machinery, shipbuilding, and structural engineering.
They are ideal for steel structures, machine bases, platforms, storage tanks, and large-scale fabrication.
Due to high strength, excellent weldability, and long service life, S355 plates are preferred for transportation equipment, construction machinery, and energy projects, meeting both OEM fabrication and infrastructure project requirements worldwide.
S355 Steel Plate FAQs
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