S355NL 1.0546 Material Specs

S355NL 1.0546 Material Specs

S355NL 1.0546 and 1.0546 S355NL refer to a high-strength, low-alloy structural steel under EN 10025-3, identified by material number 1.0546 per EN 10027-2. This normalized or normalized rolled fine-grain steel is renowned for its excellent toughness, weldability, and strength, making it ideal for cold-climate applications like offshore platforms and bridges. This article details the S355NL 1.0546 material specifications, including chemical composition, mechanical properties, delivery conditions, and applications, addressing core keywords s355nl 1.0546 and 1.0546 s355nl. For more details, visit our EN 10025-3 S355NL normalized structural steel plate.

What is S355NL 1.0546 Steel?

S355NL 1.0546 is a fine-grain structural steel under EN 10025-3, with the material number 1.0546 for global identification. Its designation indicates:

• S: Structural steel.
• 355: Minimum yield strength of 355 MPa (≤16 mm).
• NL: Normalized or normalized rolled, with impact toughness tested at -50°C.

The 1.0546 S355NL specifications ensure suitability for demanding structural applications in cold environments.

S355NL 1.0546 Chemical Composition

The S355NL 1.0546 chemical composition is optimized for strength, toughness, and weldability:

Key Elements:

• Low Carbon (C): ≤0.18% ensures toughness and weldability.
• Manganese (Mn): 0.90-1.65% enhances strength.
• Aluminum (Al), Niobium (Nb): Promote fine-grain structure for toughness.
• Low Sulfur (S) and Phosphorus (P): Minimize inclusions for weld quality.

Carbon Equivalent (CEV): ≤0.43% (≤63 mm), calculated as CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15, supports excellent weldability per 1.0546 S355NL specifications.

S355NL 1.0546 Mechanical Properties

The S355NL 1.0546 mechanical properties ensure high performance:

• Yield Strength: ≥355 MPa (≤16 mm) for load-bearing capacity.
• Tensile Strength: 470-630 MPa for durability.
• Elongation: ≥22% for ductility.
• Impact Toughness: ≥27 J at -50°C for cold-climate reliability.
• Hardness: Typically 150-190 HB (Brinell) for machinability.

S355NL 1.0546 Delivery Conditions

The 1.0546 S355NL specifications include:

• Standard: EN 10025-3:2019.
• Condition: Normalized (+N) or normalized rolled.
• Thickness Range: 6–250 mm.
• Widths: 2000, 2500, 3000 mm (standard).
• Lengths: Up to 12,000 mm.
• Surface: Hot-rolled, optional priming for corrosion resistance.
• Certifications: EN 10204 3.1/3.2, UT testing (EN 10160 optional), ABS/LR/BV/DNV approvals.
• Z-Quality (Optional): Z15, Z25, Z35 for through-thickness properties.

Welding and Heat Treatment

S355NL 1.0546 is highly weldable:

• Welding: Compatible with GMAW and SAW per EN 1011-2. Preheating (100-150°C) for >20 mm; no preheat for thinner plates.
• PWHT: Optional at 550-650°C for critical welds.
• Consumables: ER70S-6 (GMAW), EM12K flux with EH14 wire (SAW).

The fine-grain structure minimizes weld imperfections.

Applications

S355NL 1.0546 is used in:

• Offshore Platforms: Cold marine environments (e.g., Arctic seas).
• Wind Turbine Towers: Sub-zero climates (e.g., northern Europe).
• Bridges and Cranes: Northern regions (e.g., Scandinavia).
• Pressure Vessels: Low-temperature storage (e.g., LNG systems).

Explore EN 10025-3 S420NL normalized structural steel plate.

Equivalent Grades

See EN 10025-3 S355N normalized structural steel plate.

Why Choose Gangsteel?

Gangsteel supplies S355NL 1.0546:

• Inventory: Extensive stock in China.
• Sizes: Thickness 6–250 mm, widths 2000/2500/3000 mm, lengths up to 12,000 mm.
• Delivery: 7-30 days globally.
• Certifications: EN 10204 3.1/3.2, UT testing (EN 10160), ABS/LR/BV/DNV approvals.
• Processing: Cutting, welding, bending.

Contact us for EN 10025-3 S355NL normalized structural steel plate.

FAQ

What are the S355NL 1.0546 material specs?
S355NL 1.0546 specs include yield strength ≥355 MPa, tensile strength 470-630 MPa, elongation ≥22%, impact toughness ≥27 J at -50°C, CEV ≤0.43%, and thickness 6-250 mm.

What is material number 1.0546 S355NL?
1.0546 S355NL is the material number per EN 10027-2, identifying S355NL as a fine-grain structural steel under EN 10025-3, suitable for cold-climate applications.

Is S355NL 1.0546 weldable?
Yes, S355NL 1.0546 is highly weldable with CEV ≤0.43%, supporting GMAW/SAW with minimal preheating (100-150°C for >20 mm), ideal for structural fabrication.

What applications use 1.0546 S355NL?
1.0546 S355NL is used in offshore platforms, wind towers, bridges, and pressure vessels in cold climates, leveraging -50°C toughness and high strength.

How does S355NL 1.0546 compare to S355J2?
S355NL 1.0546 is normalized, tested at -50°C for cold climates; S355J2 is hot-rolled, tested at -20°C, suited for temperate regions. Both have 355 MPa yield.

What certifications support S355NL 1.0546?
S355NL 1.0546 comes with EN 10204 3.1/3.2, UT testing (EN 10160), and ABS/LR/BV/DNV approvals, ensuring compliance for global projects.