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At Gangsteel, we’re thrilled to present a comprehensive overview of the S460N steel grade, a high-strength, low-alloy structural steel under EN 10025-3, engineered for demanding structural applications. Renowned for its fine-grain structure, exceptional strength, and weldability, the S460N steel grade is a top choice for bridges, cranes, and building frameworks in moderate climates.
As part of the en 10025 3 normalized steel plate family, the S460N steel grade delivers a minimum yield strength of 460 MPa and -20°C toughness. Gangsteel explores its specifications, chemical composition, mechanical properties, and applications, comparing it to grades like en 10025 3 s420n normalized structural steel plate and en 10025 3 s355n normalized structural steel plate. For more details, visit our en 10025 3 s460n normalized structural steel plate page.
The S460N steel grade is a high-strength structural steel under EN 10025-3:2019, with a minimum yield strength of 460 MPa for plates up to 16 mm thick. Its designation, also known as material number 1.8901, breaks down as:
The normalization process refines the grain structure, enhancing the S460N steel grade’s strength, toughness, and weldability, making it ideal for moderate climates. Compared to en 10025 3 s355n normalized structural steel plate, the S460N steel grade offers higher strength for heavier structural demands.
Gangsteel ensures the S460N steel grade meets EN 10025-3 chemical composition standards for optimal performance:
|
Element |
Ladle Analysis (max %) |
Product Analysis (max %) |
Role in S460N Steel Grade |
|---|---|---|---|
|
Carbon (C) |
0.20 |
0.22 |
Enhances strength, kept low for weldability and toughness. |
|
Silicon (Si) |
0.60 |
0.65 |
Aids deoxidation, improves strength and microstructure. |
|
Manganese (Mn) |
1.00-1.70 |
0.95-1.80 |
Boosts strength and toughness for load-bearing capacity. |
|
Phosphorus (P) |
0.030 |
0.035 |
Minimized to reduce inclusions, enhancing toughness. |
|
Sulfur (S) |
0.025 |
0.030 |
Low levels prevent inclusions, improving weld quality. |
|
Nitrogen (N) |
0.025 |
0.027 |
Controlled to avoid brittleness, supporting toughness. |
|
Aluminum (Al) |
0.020 (min, total) |
0.015 (min, total) |
Refines grains for toughness, improves microstructure. |
|
Niobium (Nb) |
0.05 |
0.06 |
Promotes fine-grain structure, enhancing strength and toughness. |
|
Vanadium (V) |
0.20 |
0.22 |
Increases strength via precipitation hardening. |
|
Titanium (Ti) |
0.05 |
0.06 |
Refines grains, supports toughness. |
|
Chromium (Cr) |
0.30 |
0.35 |
Enhances corrosion resistance and strength. |
|
Nickel (Ni) |
0.80 |
0.85 |
Improves toughness in moderate climates. |
|
Molybdenum (Mo) |
0.10 |
0.12 |
Boosts strength and creep resistance. |
|
Copper (Cu) |
0.55 |
0.60 |
Enhances corrosion resistance and strength. |
Carbon Equivalent (CEV): Capped at 0.48% for plates up to 63 mm, calculated as CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15, ensuring weldability, similar to en 10025 3 s420n normalized structural steel plate.
Gangsteel guarantees the S460N steel grade’s mechanical properties excel in high-strength applications:
|
Thickness (mm) |
Yield Strength (min, MPa) |
Tensile Strength (MPa) |
Elongation (min, %) |
Impact Energy (min, J @ -20°C) |
|---|---|---|---|---|
|
≤16 |
460 |
540-720 |
17 |
27 |
|
16<t≤40 |
440 |
540-720 |
17 |
27 |
|
40<t≤63 |
430 |
540-720 |
17 |
27 |
|
63<t≤80 |
410 |
540-720 |
17 |
27 |
|
80<t≤100 |
400 |
540-720 |
17 |
27 |
|
100<t≤150 |
380 |
520-680 |
17 |
27 |
|
150<t≤200 |
370 |
520-680 |
17 |
27 |
Gangsteel provides the S460N steel grade with specifications outlined in EN 10025-3:
The S460N steel grade’s low CEV (≤0.48%) ensures excellent weldability:
Gangsteel supplies the S460N steel grade for projects that rely on its properties:
For colder climates requiring -50°C toughness, consider en 10025 3 s460nl normalized structural steel plate.
Gangsteel is your trusted source for the S460N steel grade:
Contact us for en 10025 3 s460n normalized structural steel plate.
What is the S460N steel grade?
The S460N steel grade is a high-strength structural steel under EN 10025-3, with ≥460 MPa yield strength and -20°C toughness, ideal for bridges and cranes in moderate climates.
What are the key properties of the S460N steel grade?
The S460N steel grade offers a yield strength of ≥460 MPa, tensile strength of 540-720 MPa, ≥17% elongation, and ≥27 J impact toughness at -20°C.
Is the S460N steel grade weldable?
Yes, the S460N steel grade’s CEV ≤0.48% enables easy welding with GMAW or SAW and preheating (100-150°C for >20 mm) for strong joints.
What applications use the S460N steel grade?
The S460N steel grade is used in bridges, cranes, building frameworks, and heavy machinery in moderate climates, leveraging its high strength.
How does the S460N steel grade compare to S355N?
The S460N steel grade has higher yield strength (460 MPa vs 355 MPa) than S355N, with similar -20°C toughness, for more demanding projects.
What certifications support the S460N steel grade?
Gangsteel provides the S460N steel grade with EN 10204 3.1/3.2, UT testing (EN 10160), and ABS/LR/BV/DNV approvals for global compliance.
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