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EN 10025-3 S355NL steel plate is a medium-strength, fine-grained structural steel tailored for weldable use in low-temperature conditions. It meets the European standard EN 10025-3, which covers technical delivery conditions for normalized/normalized rolled weldable fine grain structural steels. The standard delivery state is normalized or normalized rolled, fostering a refined microstructure for optimal toughness and fracture resistance.
The grade "EN 10025-3 S355NL" decodes to:
Belonging to fine grain structural steels, EN 10025-3 S355NL uses grain refinement to boost weldability, ductility, and low-temperature performance, perfect for robust infrastructure in harsh climates.
Check out our broad selection of EN 10025-3 normalized steel plates for all your needs.
EN 10025-3 S355NL's alloying is fine-tuned for strength without compromising fabricability, keeping carbon low and adding elements for toughness.
The table outlines ladle analysis (melt stage) and product analysis (final plate) per EN 10025-3:
|
Element |
Ladle Analysis |
Product Analysis |
|---|---|---|
|
Carbon (C) |
max 0.18% |
max 0.20% |
|
Silicon (Si) |
max 0.50% |
max 0.55% |
|
Manganese (Mn) |
0.90-1.65% |
0.85-1.75% |
|
Phosphorus (P) |
max 0.025% |
max 0.035% |
|
Sulfur (S) |
max 0.015% |
max 0.025% |
|
Nitrogen (N) |
max 0.015% |
max 0.017% |
|
Aluminum (Al) |
min 0.02% (total) |
min 0.015% (total) |
|
Niobium (Nb) |
max 0.05% |
max 0.06% |
|
Vanadium (V) |
max 0.12% |
max 0.15% |
|
Titanium (Ti) |
max 0.05% |
max 0.06% |
|
Chromium (Cr) |
max 0.30% |
max 0.35% |
|
Nickel (Ni) |
max 0.30% |
max 0.35% |
|
Molybdenum (Mo) |
max 0.10% |
max 0.13% |
|
Copper (Cu) |
max 0.55% |
max 0.60% |
Carbon Equivalent (CEV)formula: CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15. For EN 10025-3 S355NL, CEV ≤0.43% (≤63 mm thickness; up to 0.45% for thicker), supporting easy welding with reduced cold-cracking potential.
EN 10025-3 S355NL balances high strength and flexibility, with minimum yield ≥355 MPa, tensile strength 470-630 MPa, and elongation ≥22%. It guarantees ≥27 J impact at -50°C (Charpy V-notch, longitudinal).
Thickness influences properties; see the table:
|
Thickness (mm) |
Yield Strength (min, MPa) |
Tensile Strength (MPa) |
Elongation (min, %) |
Impact Energy (min, J @ -50°C, Longitudinal) |
|---|---|---|---|---|
|
≤16 |
355 |
470-630 |
22 |
27 |
|
16<t≤40 |
345 |
470-630 |
22 |
27 |
|
40<t≤63 |
335 |
470-630 |
22 |
27 |
|
63<t≤80 |
325 |
470-630 |
21 |
27 |
|
80<t≤100 |
305 |
470-630 |
21 |
27 |
|
100<t≤150 |
285 |
450-610 |
21 |
27 |
|
150<t≤200 |
265 |
450-610 |
21 |
27 |
|
200<t≤250 |
245 |
450-610 |
21 |
27 |
Ideal for demanding, cold-exposed loads.
EN 10025-3 S355NL equivalents vary slightly by standard:
|
Standard |
Equivalent Steel Grade |
|---|---|
|
EN (Thermo-mechanical) |
S355M |
|
EN normalized |
S355N |
|
DIN |
StE 355 / TStE 355 |
|
AFNOR (France) |
E 36-4 |
|
BS (UK) |
50 EE |
|
UNI (Italy) |
Fe E 355 KNT |
|
GB (China) |
Q345E |
|
ASTM / ASME |
A572 Grade 65 (approximate) |
For the -20°C option, explore EN 10025-3 S355N normalized structural steel plate.
These comparisons inform precise selections:
Evaluate based on temp, load, and economics.
EN 10025-3 S355NL's low CEV enables smooth welding with GMAW or SAW, per EN 1011-2.
Recommended:
Yields strong, reliable joints.
EN 10025-3 S355NL thrives in tough, cold settings:
Preferred for high strength-weight ratio, -50°C resilience, and weld ease, per Eurocode 3.
Related: EN 10025-3 S355NL normalized structural steel plate or EN 10025-3 S275NL normalized structural steel plate.
Gangsteel stocks EN 10025-3 S355NL in practical ranges:
In hot-rolled, normalized form, with EN 10204 3.1/3.2 certificates and UT testing (EN 10160) optional. Primed for protection.
Gangsteel excels as a producer/exporter of EN 10025-3 S355NL:
Includes processing (cutting, welding, bending), mill certs, and ABS/LR/BV/DNV.
Quote EN 10025-3 S355NL normalized structural steel plate.
Is EN 10025-3 S355NL steel good for welding?Yes; CEV ≤0.43% permits efficient arc welding sans extras.
What temperature can EN 10025-3 S355NL be used in?-50°C to +500°C, certified at -50°C for cold ops.
Does EN 10025-3 S355NL require preheating when welding?For >20 mm, yes (100-150°C); thinner at room temp.
Is EN 10025-3 S355NL equivalent to ASTM A572?Near A572 Grade 65 (yield ~450 MPa equiv.), but EN 10025-3 S355NL's fine-grain adds cold toughness; approximate.
What is the max thickness for EN 10025-3 S355NL?250 mm, with adjusted props for performance.
Can EN 10025-3 S355NL suit offshore wind farms?Yes; strength and -50°C impact fit towers/platforms, plus coatings.
What differs EN 10025-3 S355NL from EN 10025-2 S355JR?EN 10025-3 S355NL normalized for -50°C, vs S355JR hot-rolled for ambient.
How does EN 10025-3 S355NL compare to Q345E?Q345E aligns in strength/-50°C, but EN 10025-3 S355NL has EU-grade precision.
More: EN 10025-3 S420N normalized structural steel plate or EN 10025-3 S460N normalized structural steel plate.
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