EN S550Q is a quenched - and - tempered (Q&T) high - strength low - alloy (HSLA) structural steel plate that complies with the European standard EN 10025 - 6, with the material number 1.8904. It is highly regarded for its outstanding combination of strength, toughness, and weldability, making it a preferred option for demanding load - bearing structural applications.
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Gneesteel Grade : |
EN10025-6 S550Q |
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Specification (mm) |
THK: 3 to 300, Width: 1500 to 4050, Length: 3000 to 27000 |
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Standard: |
Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition |
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Approval By Third Party |
ABS, DNV, GL, CCS, LR , RINA, KR, TU |
EN10025-6 S550Q Mechanical Property
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Grade |
S550QMechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
Min Impact Energy
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S550 Q |
mm |
Min Mpa |
Mpa |
Min % |
-20 |
30J |
|
3 |
550 |
640-820 |
16 |
-20 |
30J |
|
|
50 |
530 |
640-820 |
16 |
-20 |
30J |
|
|
100 |
490 |
590-770 |
16 |
-20 |
30J |
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FAQ:
1. What core advantage makes EN S550Q High Strength Steel Plate stand out in heavy engineering applications?
Answer: It features exceptional high yield and tensile strength (minimum yield strength 550MPa) combined with excellent weldability and toughness, even at low temperatures, making it ideal for load-bearing structural components that demand both strength and workability.
2. What key industries is EN S550Q High Strength Steel Plate widely used in?
Answer: It is a top choice for construction (bridge/skyscraper structures), heavy machinery (cranes/loaders), automotive (heavy-duty truck frames), shipbuilding, and offshore engineering-all sectors requiring high-performance structural steel.
3. Does EN S550Q High Strength Steel Plate support customized processing for project-specific needs?
Answer: Yes, it can be fully customized with precise cutting, bending, drilling, and welding according to your exact dimensional, thickness, and finish requirements, matching all project design specifications.
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