EN10025-4 S275M is a fine-grained structural steel plate grade with a nominal yield strength of 275 MPa, designed to meet the specific requirements of various industries, including construction, machinery, and engineering. This grade is part of the European standard series EN10025, which specifies the technical delivery conditions for flat products of hot rolled weldable fine grain structural steels.

Chemical Composition:

The chemical composition of S275M is carefully controlled to ensure the required mechanical properties and weldability. The typical chemical composition is as follows:

· Carbon (C): ≤ 0.16%

· Silicon (Si): ≤ 0.55%

· Manganese (Mn): ≤ 1.60%

· Phosphorus (P): ≤ 0.025%

· Sulfur (S): ≤ 0.015%

· Aluminum (Al): ≥ 0.020%

· Niobium (Nb): ≤ 0.05%

· Titanium (Ti): ≤ 0.03%

· Vanadium (V): ≤ 0.10%

· Nitrogen (N): ≤ 0.012%

Mechanical Properties:

The mechanical properties of S275M are guaranteed through controlled rolling and accelerated cooling processes, which refine the grain structure and enhance the strength and toughness of the steel. The typical mechanical properties are as follows:

· Yield Strength: ≥ 275 MPa

· Tensile Strength: 430 - 580 MPa

· Elongation: ≥ 22%

· Impact Energy : ≥ 27 Joules

Thermal Treatment:

S275M steel plates are supplied in the thermomechanically rolled condition (M), which provides a fine grain structure and enhanced mechanical properties without the need for further heat treatment. This process ensures that the steel is suitable for welding and other forming operations.

Low-Temperature Impact Test:

The steel is subjected to a Charpy V-notch impact test at -20°C to ensure that it maintains adequate toughness and resistance to brittle fracture at low temperatures. This is particularly important for applications in cold environments or where the steel will be exposed to low temperatures during service.

Available Dimensions:

TJC Steel Group offers S275M steel plates in a wide range of sizes, with thicknesses typically ranging from 6mm to 200mm, widths up to 4000mm, and lengths up to 12000mm. Custom sizes are also available upon request to meet specific project requirements.

Main Applications:

S275M steel plates are widely used in various applications, including:

· Construction of bridges, buildings, and other structures

· Offshore structures and marine applications

· Wind turbine towers and foundations

· Heavy equipment manufacturing

· Pressure vessels and storage tanks

TJC Steel Group Supply Cases:

TJC Steel Group has supplied S275M steel plates to numerous projects across the globe, demonstrating our commitment to quality and customer satisfaction. One notable supply case involved the construction of a major bridge in Europe, where our S275M plates were chosen for their excellent strength-to-weight ratio and superior toughness at low temperatures. Another case saw our steel plates used in the construction of a wind farm in the Middle East, where the challenging desert conditions required a material that could withstand extreme temperatures and harsh environmental conditions.

In conclusion, EN10025-4 S275M fine-grained structural steel plate is a versatile and reliable material that meets the stringent requirements of modern engineering and construction projects. TJC Steel Group is proud to offer this high-quality product, backed by our extensive experience and dedication to customer service.