S460N vs S460NL Comparison

S460N vs S460NL Comparison

At Gangsteel, we’re here to clarify the differences between S460N vs S460NL, two high-strength, low-alloy structural steels under EN 10025-3, to help you choose the right material for your project. Both S460N and S460NL offer a fine-grain structure and 460 MPa yield strength, but S460N is tested for -20°C toughness, while S460NL excels at -50°C, making it ideal for colder climates.

As part of the en 10025 3 normalized steel plate family, both grades are normalized for consistent performance. Gangsteel compares their chemical composition, mechanical properties, and applications, with ties 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 or en 10025 3 s460nl normalized structural steel plate pages.

Overview of S460N and S460NL

• S460N (EN 10025-3, 1.8901): Normalized or normalized rolled, with 460 MPa yield strength and -20°C toughness, ideal for bridges and cranes in moderate climates (e.g., temperate Europe).
• S460NL (EN 10025-3, 1.8903): Normalized or normalized rolled, with 460 MPa yield strength and -50°C toughness, suited for cold climates (e.g., Arctic regions or northern Europe).

Both grades share similar processing but differ in low-temperature performance, with S460NL offering superior toughness for extreme conditions.

Chemical Composition Comparison

The chemical composition of S460N vs S460NL influences their toughness:

Carbon Equivalent (CEV):

• S460N: ≤0.48% (≤63 mm).
• S460NL: ≤0.48% (≤63 mm).

S460NL’s lower sulfur (0.020% vs 0.025%) and phosphorus (0.025% vs 0.030%) enhance toughness and weldability, making it better for sub-zero climates, similar to en 10025 3 s420n normalized structural steel plate.

Mechanical Properties Comparison

S460N vs S460NL mechanical properties highlight their differences:

• Strength: Both offer 460 MPa yield strength, ideal for heavy loads in structures like bridges and cranes.
• Tensile Strength: 540-720 MPa ensures durability under high tensile forces.
• Elongation: ≥17% supports complex structural designs.
• Impact Toughness: S460N’s ≥27 J at -20°C suits moderate climates; S460NL’s ≥27 J at -50°C excels in cold environments, making it ideal for extreme conditions.
• Hardness: Typically 170-210 HB (Brinell), balancing machinability and durability, comparable to en 10025 3 s355n normalized structural steel plate.
• Thickness: Both support up to 200 mm, offering versatility for structural applications.

Processing and Fabrication

• S460N: Normalized for consistent microstructure, suited for standard welding and machining. Preheating (100-150°C) for plates >20 mm; post-weld heat treatment (PWHT) optional at 550-650°C.
• S460NL: Normalized with stricter impurity control (lower sulfur and phosphorus) for enhanced toughness; similar welding requirements.

Consumables: Both use ER70S-6 for GMAW and EM12K flux with EH14 wire for SAW. S460NL’s lower impurities reduce weld imperfections, improving reliability in cold climates, similar to en 10025 3 s275n normalized structural steel plate.

Applications

• S460N: Ideal for bridges, cranes, and building frameworks in moderate climates (e.g., temperate Europe) where temperatures rarely drop below -20°C.
• S460NL: Suited for offshore platforms, wind towers, and bridges in cold climates (e.g., Arctic regions or northern Europe) due to its superior -50°C toughness.

S460NL is preferred for sub-zero conditions, while S460N is optimal for milder environments.

Why Choose Gangsteel?

Gangsteel is your trusted source for S460N and S460NL:

• Inventory: Extensive stock in China for rapid delivery.
• Sizes: Thicknesses from 6–200 mm, widths up to 2000/2500/3000 mm, lengths up to 12,000 mm.
• Delivery: Ships globally in 7-30 days.
• Certifications: EN 10204 3.1/3.2 certificates, ultrasonic testing (UT) per EN 10160, and approvals from ABS, LR, BV, or DNV.
• Processing: Cutting, welding, and bending tailored to your project needs.

Contact us for en 10025 3 s460n normalized structural steel plate or en 10025 3 s460nl normalized structural steel plate.

FAQ

What is the main difference in S460N vs S460NL?
S460N offers -20°C toughness for moderate climates, while S460NL provides -50°C toughness for cold climates, both with 460 MPa yield strength.

How does S460N vs S460NL toughness compare?
S460NL’s -50°C impact toughness (≥27 J) outperforms S460N’s -20°C toughness, making it ideal for arctic environments like offshore platforms.

Which is better for welding, S460N or S460NL?
S460NL’s lower sulfur (0.020% vs 0.025%) and phosphorus (0.025% vs 0.030%) slightly improve weldability, though both have a CEV ≤0.48% and are compatible with GMAW/SAW.

What applications suit S460N vs S460NL?
S460N is ideal for bridges and cranes in moderate climates; S460NL suits offshore platforms, wind towers, and bridges in cold climates due to enhanced low-temperature toughness.

How do S460N vs S460NL compare to S355N?
Both S460N and S460NL have higher yield strength (460 MPa vs 355 MPa) than S355N, with S460NL offering superior -50°C toughness for colder environments.

What certifications support S460N and S460NL?
Gangsteel provides both S460N and S460NL with EN 10204 3.1/3.2 certificates, UT testing per EN 10160, and ABS/LR/BV/DNV approvals for global compliance.