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EN 10025-2 S275J2 High-strength Low-alloy (HSLA) Steel Plate

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EN 10025-2 S275J2 High-strength Low-alloy (HSLA) Steel Plate is a commonly used structural steel plate in European standards, widely applied in fields such as construction, machinery manufacturing, and bridges.

Standard :
EN 10025-2
Grade :
S275J2
Thickness :
0.8-30.0 mm
Width :
800-2500 mm
Length :
3000-12000 mm

Special thickness, width, and length can be negotiated separately.
We also provide customized processing services.If you have any questions, please contact us.

Overview

EN 10025-2 S275J2 is a European standard for hot-rolled structural steel products, commonly used in construction and engineering applications.

EN 10025-2 S275J2 High-strength Low-alloy (HSLA) structural steel plate is designed for improved mechanical properties and weldability compared to standard carbon steel plates.

It offers a balanced combination of strength, toughness, and weldability, making it an ideal choice for structural applications in moderately low-temperature environments.

Key Features:

1. High Strength-to-Weight Ratio: Stronger than mild steel (e.g., S235) but with good formability.

2. Improved Toughness: J2 grade ensures resistance to brittle fracture at -20°C.

3. Weldability: Good weldability with common methods (SMAW, GMAW, FCAW). Preheating may be needed for thick sections.

4. Corrosion Resistance: Better than carbon steel due to micro-alloying elements.

Applications

EN 10025-2 S275J2 High-strength Low-alloy (HSLA) Steel Plate is primarily used in the following applications due to its good strength, toughness, and workability (welding, bending, cutting, etc.):

1. Building structures: Such as factory building frames, bridge components, steel structure supports, etc.

2. Mechanical manufacturing: Such as equipment bases, load-bearing components, pressure vessel shells (non-high pressure), etc.

3. Engineering vehicles: Such as truck bodies, crane booms, and other components requiring low-temperature toughness.

Other Information

Comparison with Similar Grades：

Grade	Yield Strength (MPa)	Impact Test Temp.	Common Use Cases
S235JR	235	+20°C	General construction
S275J2	275	-20°C	Low-temperature structures
S355J2	355	-20°C	Higher-strength applications

FAQ

Q1:

What are the weldability characteristics of high-strength low-alloy steel plates?

High-strength low-alloy steel plates offer excellent weldability. As their carbon content is typically low (below 0.2%), they present a lower risk of cracking during welding compared to standard high-strength steel plates and generally do not require complex preheating treatments.

Q2:

Why are high-strength low-alloy steels the preferred choice in construction and automotive manufacturing?

The key advantage of high-strength low-alloy steels is weight reduction. As they offer greater strength, thinner sheets can be used to withstand the same loads, thereby reducing the overall weight of the structure; in the automotive sector, this leads to improved fuel efficiency.

Q3:

What is high-strength low-alloy steel (HSLA)?

High-strength low-alloy steel (HSLA) is a type of steel in which small amounts of alloying elements (such as niobium, vanadium, titanium or copper) are added to enhance its mechanical properties. Compared to traditional carbon steel, it offers higher yield strength and better corrosion resistance whilst maintaining good weldability and formability.