Products Description
EN 10025-6 is a Plates have good forming and welding properties. S550Q, S550QL, S550QL1 Plates have higher payload capacity and are energy efficient, hence can be used in leaner structures.
This steel is used in other applications suchas heavy transportation, construction industry, machine building, and lifting equipment. We deliver products in customizable options to meet customer-specified requirements
Chemical Composition of EN 10025-6 S550Q Steel Plate
| Grade | C (%) | Si (%) | Mn (%) | P (max, %) | S (max, %) | N (max, %) | B (%) | Ni (max, %) | Ti (max, %) | Cu (max, %) | Mo (max, %) | Nb (max, %) | V (max, %) | Zr (max, %) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S550Q | 0.20–0.25 | 0.20–0.80 | ≤ 1.70 | ≤ 0.015 | ≤ 0.005 | ≤ 0.015 | 0.0010–0.0015 | ≤ 2.0 | ≤ 0.05 | ≤ 0.60 | ≤ 0.70 | ≤ 0.06 | ≤ 0.12 | ≤ 0.15 |
Mechanical Properties of EN 10025-6 S550Q Steel Plate
| Grade | Thickness (mm) | Yield Strength (Min, MPa) | Tensile Strength (MPa) | Elongation (Min, %) | Impact Energy at -20°C (Min, J) |
|---|---|---|---|---|---|
| S550Q | ≤ 16 | 550 | 640 – 820 | 16 | 30J |
| S550Q | 16 < t ≤ 50 | 530 | 640 – 820 | 16 | 30J |
| S550Q | 50 < t ≤ 100 | 490 | 590 – 770 | 16 | 30J |
| S550Q | 100 < t ≤ 150 | 470 | 590 – 770 | 16 | 30J |
Specification
| Category | Details |
|---|---|
| Product Name | EN 10025-6 S550Q Steel Plates |
| Description | S550Q is a high strength low alloy steel plate under EN 10025-6 standard. It is produced in quenched and tempered delivery condition, combining high yield strength and tensile strength. Quenching rapidly cools the steel to improve hardness, followed by tempering to achieve required mechanical properties. S550Q undergoes a low temperature impact test at -20°C. |
| Standard | EN 10025-6 (Technical Delivery Conditions for Flat Products of High Yield Strength Structural Steels in Quenched and Tempered Condition) |
| Equivalent Grades | FeE 550 V, StE 550 V |
| Thickness | 6mm – 300mm |
| Width | 1500mm – 4050mm |
| Length | 3000mm – 15000mm |
| Certification | Mill Test Reports (MTC) available as per EN 10204 3.1 |
| Price (FOB) | $800 – $1600 / Ton |
| Port of Loading | India, China, Europe, UAE |
| Packing | Break Bulk or on Pallets, as per customer requirement |
| Delivery Time | 7 – 30 Days |
| Applications | Storage Tanks, Low Pressure Vessels, Temperature Controlled Vessels, Heat Exchangers, Pressure Vessels, Boilers |
Performance characteristics of S550Q European standard high-strength board
1. High strength: The S550Q European standard high-strength plate has a minimum tensile strength of 550MPa and a relatively high yield strength. It can withstand larger loads, effectively reduce the structural weight and improve structural safety.
2. High toughness: S550Q European standard high-strength plate is not easily brittle in low-temperature environments and has good ductility and toughness. It can effectively absorb the impact energy generated by natural disasters such as earthquakes and improve the seismic performance of the structure.
3. Good welding performance: S550Q European standard high-strength plate is easy to process and form, has excellent weldability, and the quality of welded joints is stable and reliable, and can meet the requirements of various welding processes.
4. Good corrosion resistance: S550Q European standard high-strength plate has undergone special anti-corrosion treatment and has good corrosion resistance. It can adapt to various harsh environments and effectively extend the service life of the structure.
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