• You often need a material that can handle heavy loads and tough conditions. E355 steel gives you this strength. This steel belongs to the high-strength, low-alloy group. You find tube e355 used in many industries because it offers both power and reliability. The microstructure of e355 helps it stand out. The fine grain structure gives you better toughness and impact resistance. When you use tube e355, you get a material that works well in both normal and extreme environments.

    Tip: The normalized condition of e355 steel ensures that you get consistent quality with fewer internal flaws.

    Here is a table that shows how the microstructure affects the performance of e355 steel:

    Property

    Description

    Strength-to-weight ratio

    E355 steel is known for its impressive strength-to-weight ratio, making it ideal for structural elements.

    Toughness

    The fine grain structure provides improved toughness and impact resistance.

    Normalized condition

    Ensures consistency in material properties, minimizing internal flaws.

    Tube E355 Properties

    You want to know what makes tube e355 so useful. The answer lies in its chemical makeup and mechanical properties. The chemical composition follows strict rules to make sure you get a high-strength product every time. Here is a table that shows the main elements in tube e355:

    Element

    Percentage

    Carbon (C)

    0.22 max

    Silicon (Si)

    0.55 max

    Manganese (Mn)

    1.60 max

    Phosphorus (P)

    0.025 max

    Sulfur (S)

    0.025 max

    These elements work together to give tube e355 its high-strength and toughness. You also get good weldability and machinability, which means you can cut, shape, and join the tubes easily.

    Mechanical properties are just as important. You need to know how much force the tube can handle before it bends or breaks. The table below shows the tensile strength, yield strength, and elongation for different grades of tube e355:

    Steel Grade

    Tensile Strength (Rm) MPa

    Yield Strength (ReH) MPa

    Elongation (%)

    E355+C (Cold drawn/hard)

    640

    N/A

    4

    E355+LC (Cold drawn / soft)

    590

    N/A

    6

    E355+SR (Cold drawn and stress relieved)

    590

    435

    10

    E355+A (Soft annealed)

    450

    N/A

    22

    E355+N (Normalized)

    490-630

    355

    22