550480494_122133526310922322_8805410000921268540_n
ASME SA516 Gr.65N
550480494_122133526310922322_8805410000921268540_n
ASME SA516 Gr.65N

S500 High-strength Steel Plate

High-strength S500 structural steel plate for construction and heavy engineering applications. Ideal for B2B industrial use.

  • High Yield Strength (500 MPa): Ensures excellent load-bearing capacity for demanding structures.

  • Superior Weldability: Suitable for all conventional welding methods without preheating.

  • Good Toughness and Ductility: Performs well under low-temperature and dynamic loading conditions.

  • Excellent Surface Quality: Smooth and uniform finish, ideal for precision fabrication.

  • Wide Dimensional Range: Available in various thicknesses and sizes to meet different project requirements.

S500 Steel Plate Description

S500 structural steel plate is a high-strength, low-alloy steel designed for use in construction, engineering, and industrial machinery. With a minimum yield strength of 500 MPa, this steel grade provides superior performance in heavy-duty structures such as bridges, offshore platforms, and cranes.

Its excellent weldability and formability make it ideal for complex fabrication and welding processes. In addition, the steel maintains good impact resistance and durability, ensuring long service life even in harsh conditions.

We offer S500 steel plates that meet EN 10025-2 standards, available in both normalized and thermomechanically rolled conditions.

S500 Steel Plate Technical Data Sheet

S500 Chemical Composition
Element C Si Mn P S N Cu (max)
Max (%) 0.23 0.5 1.6 0.035 0.035 0.012 0.55
S500 Mechanical Properties
Property Unit Value
Yield Strength (min) MPa 500
Tensile Strength MPa 560 – 720
Elongation (A5) % ≥ 18
Impact Energy (Charpy V-notch, 20°C) J ≥ 27
Delivery Condition As Rolled / Normalized
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S500 Steel Applications

S500 steel plates are widely used in applications that demand high strength, good weldability, and long service life. Common industries include:

  • Bridge and building construction

  • Heavy-duty cranes and lifting equipment

  • Shipbuilding and offshore structures

  • Engineering machinery and transport vehicles

  • Wind towers and structural components

S500 Steel FAQs

What are the main alloying elements in S500 steel?
S500 is a low-alloy steel primarily composed of carbon, manganese, and silicon, with small additions of phosphorus and sulfur controlled under strict limits for weldability.
Can S500 be welded without preheating?
Yes, under normal plate thicknesses (≤50mm), S500 steel offers excellent weldability and does not require preheating in most cases.
What industries use S500 steel?
It is widely used in bridge construction, offshore platforms, building frameworks, cranes, and heavy machinery due to its high strength and reliability.

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