S460QL Carbon and Low alloy High-strength Steel Plate
S460QL is a type of carbon and low-alloy high-strength steel plate. It is a structural steel grade that belongs to the EN 10025-6 standard, which specifies technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition.
The "S" in S460QL stands for structural steel, while "460" represents the minimum yield strength of the steel in megapascals (MPa). In this case, S460QL has a minimum yield strength of 460 MPa. The "QL" indicates that the steel is quenched and tempered, which means it has been heat-treated to increase its strength.
S460QL is a high strength steel alloy that is designed for use in heavy-load structural applications. It is also known as a quenched and tempered steel. This means that the steel has been treated with a combination of heating and cooling processes that increase its strength, hardness, and toughness.
S460QL Low alloy High-strength Steel Plate Specification
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Grade : |
EN10025-6 S460QL |
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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, TUV, CE |
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Classification: |
Hot rolled products of structural steels |
S460QL High Strength Plates Features and Advantages
1. High Strength: S460QL Steel has a minimum yield strength of 460 MPa and a tensile strength of up to 700 MPa, which makes it ideal for use in heavy-load structural applications.
2. Excellent Impact Resistance: S460QL has excellent impact resistance, which makes it suitable for use in environments where the risk of impact damage is high.
3. Good Fatigue Resistance: S460QL has good fatigue resistance, which means it is less likely to crack or fail due to repeated loading and unloading.
4. Weldability: S460QL Steel is easy to weld using standard welding techniques.
5. Corrosion Resistance: S460QL Steel has good corrosion resistance, which gives it a longer lifespan and reduces maintenance costs.
The composition of S460QL steel typically includes elements such as carbon, manganese, silicon, phosphorus, sulfur, chromium, molybdenum, nickel, and other alloying elements in small quantities. The precise composition may vary depending on the specific steel manufacturer and product specifications.
S460QL Low alloy Steel Plate Chemical Composition
| Element | P460QL1 Max % | Element | P460QL1 max % |
| C | 0.18 | Cr | 0.50 |
| Si | 0.50 | Mo | 0.50 |
| Mn | 1.70 | Cu | 0.30 |
| P | 0.020 | Nb | 0.05 |
| S | 0.010 | Ni | 1.00 |
| N | 0.015 | TI | 0.03 |
| B | 0.005 | V | 0.08 |
S460QL Low alloy Steel Plate Mechanical Properties
| Grade | Heat Treatment | Thickness | Yield Strength | Tensile Strength | Elongation | Impact Energy |
| P460QL1 | +QT | (mm) | MPa (min) | MPa | % (min) | (KV J) (min) |
| -40 degree | ||||||
| ≤ 50 | 460 | 550-720 | 19 | 27 | ||
| 50to ≤100 | 440 | 550-720 | 19 | 27 | ||
| 100o ≤150 | 400 | 500-670 | 19 | 27 |
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Equivalent steel grade of S460QL |
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Europe |
Germany |
France |
Sweden |
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FeE 460 V KT |
TStE 460 V |
E 460T |
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EN10025-6 S460QL Carbon High Strength Steel Plate Additional Condition
UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.
Carbon and low-alloy high-strength steels, such as S460QL, are commonly used in the construction industry for applications that require high strength and durability. These steels offer excellent mechanical properties, including high yield strength, good weldability, and toughness. They are often used in heavy machinery, crane booms, bridges, offshore structures, and other load-bearing structures where strength is a critical factor.
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