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Grade S690 0.5 in. x 120 in. x 480 in. steel plate front view.
Grade S690 0.5 in. x 120 in. x 480 in.steel plate right view.
Grade S690 0.5 in. x 120 in. x 480 in. steel plate top view.

EN Standard S690 Fine Grain Structural Steel Plate

S690 is a high-yield fine grain structural steel plate that is quenched and tempered to achieve a minimum yield strength of 690 MPa. It is commonly used in structures and equipment that carry extremely heavy loads.

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Features

  • Quenched and tempered fine grain structural steel plate.

  • Used in bridges, offshore drilling rigs, buildings, heavy construction equipment and cranes.

  • Meets European EN 10025-6:2019 structural steel requirements.

  • Similar to ASTM A514, but not required to meet the exact same tolerances.

  • Due to quickly shifting inventory, please inquire about available sizes.

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Frequently Asked Questions

Learn more about EN Standard S690 steel plate.
S690 and S890 are both high-yield EN structural steel plates supplied in the quenched and tempered condition, but S890 has a higher minimum yield strength. S690 has a minimum yield strength of 690 MPa, while S890 has a minimum yield strength of 890 MPa. S890 may be selected when an application requires greater load-bearing performance, weight reduction or higher-strength design than S690 can provide.
S690 steel plate is used in structures and equipment that need very high load-bearing performance. Common applications include bridges, offshore drilling rigs, buildings, heavy construction equipment, cranes, lifting equipment and earthmoving machinery. Because S690 offers a high strength-to-weight ratio, it can be useful when heavy-load structures need strong performance without unnecessary material weight.
In S690 steel plate, the “S” stands for structural steel, and “690” refers to the minimum yield strength of 690 MPa. S690 is part of the EN 10025-6 family of high-yield structural steels and is delivered in the quenched and tempered condition.
S690Q, S690QL and S690QL1 are S690 qualities with different Charpy impact toughness requirements. S690Q is typically associated with impact testing at -20°C, S690QL at -40°C and S690QL1 at -60°C. The correct S690 quality should be selected based on project specifications, service temperature, toughness requirements and MTR details.
S690 is often compared to ASTM A514 because both are high-strength, quenched and tempered structural steel plates used in demanding load-bearing applications. However, S690 is produced to EN 10025-6 requirements, while A514 is produced to ASTM requirements. The grades may be similar in strength level, but they are not automatic substitutes because mechanical properties, chemistry, toughness requirements, tolerances and MTR details may differ.
S690 steel plate is quenched and tempered to achieve high yield strength, fine grain structure and toughness for heavy-load structural applications. This heat treatment helps S690 meet the performance requirements of EN 10025-6 while supporting use in cranes, bridges, offshore structures and heavy equipment.