EN10025-4 S355ML is a fine-grained structural steel plate grade with a nominal yield strength of 355 MPa, designed to meet the requirements of various construction and engineering projects. This grade is part of the European standard for hot-rolled structural steels and is particularly appreciated for its excellent mechanical properties and weldability.

Chemical Composition:

The chemical composition of S355ML is strictly controlled to ensure the material's mechanical properties and weldability. The typical chemical composition is as follows:

· Carbon (C): ≤ 0.16%

· Silicon (Si): ≤ 0.60%

· 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): ≤ 0.12%

· Nitrogen (N): ≤ 0.012%

· Copper (Cu): ≤ 0.30%

· Nickel (Ni): ≤ 0.50%

· Chromium (Cr): ≤ 0.30%

· Molybdenum (Mo): ≤ 0.10%

· Boron (B): ≤ 0.005%

Mechanical Properties:

The mechanical properties of S355ML are as follows:

· Yield Strength: ≥ 355 MPa

· Tensile Strength: 470 - 630 MPa

· Elongation: ≥ 22%

· Impact Energy : ≥ 27J

Thermal Treatment:

S355ML steel plates are supplied in the thermomechanically rolled condition, which provides a fine-grained microstructure and enhanced mechanical properties. The plates do not require further heat treatment before or after welding, making them suitable for a wide range of applications.

Low-Temperature Impact Test:

S355ML is tested for its impact resistance at -50°C, ensuring that the material maintains its toughness and strength even in cold environments. This makes it suitable for use in low-temperature applications.

Available Dimensions:

TJC Steel Group offers S355ML steel plates in a wide range of sizes, with thicknesses typically ranging from 6mm to 300mm, widths up to 4000mm, and lengths up to 18000mm. Custom sizes are also available upon request to meet specific project requirements.

Main Applications:

S355ML is widely used in various industries and applications, including:

· Construction of bridges and other structures

· Offshore structures

· Power plants

· Heavy equipment manufacturing

· Shipbuilding

· Wind tower construction

TJC Steel Group Supply Cases:

TJC Steel Group has supplied S355ML steel plates to numerous projects around the world, including:

· A European bridge construction project, where the high strength and excellent toughness of S355ML were crucial for the bridge's durability and safety.

· An offshore oil platform in the North Sea, where the material's resistance to low temperatures was essential for the platform's operation in harsh conditions.

· A power plant in Asia, where the weldability and strength of S355ML were key factors in the construction of the plant's critical infrastructure.

TJC Steel Group is committed to providing high-quality steel products and services, ensuring customer satisfaction and the success of their projects. With a strong focus on quality control and customer support, TJC has established itself as a reliable supplier of S355ML and other structural steel grades.