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high strength steel plate
high strength steel plate
High-strength steel plates have higher yield and tensile strength than regular steel plates. These plates are produced using advanced methods like microalloying, controlled rolling, and heat treatment, which give them excellent toughness, weldability, and durability. They are commonly used in demanding industries such as construction, automotive, and heavy machinery.
ZhaojianSteel produces high-strength steel plates that meet ASTM and EN standards, offering a variety of grades, thicknesses, and sizes to meet customers’ structural support needs in complex environments and harsh conditions.
Specifications of High-Strength Steel Plate
| Parameter | Typical Value / Range |
| Yield Strength | 355 – 1100 MPa (depends on grade: S355, S690, A514, etc.) |
| Tensile Strength | 490 – 1300 MPa |
| Elongation at Break | 10% – 20% |
| Thickness Range | 3 mm – 150 mm (customizable) |
| Width | Up to 3000 mm (cut-to-width available) |
| Length | Up to 12000 mm (custom lengths on request) |
| Steel Grades Available | ASTM A514, A572 Gr.50/65, EN10025 S355 / S690 / S960, JIS G3106 |
| Production Method | Hot rolled, quenched and tempered (Q&T), TMCP |
| Surface Finish | As-rolled, shot blasted, primer coated, oiled |
| Standards | ASTM, EN, JIS, GB, ISO |
Quality Certification
High Strength Steel Applications
Construction & Bridges: Structural components such as beams, bridge decks, and support frames.
Heavy Machinery & Mining Equipment: Excavator buckets, bulldozers, pipeline supports, and wear-resistant parts.
Automotive & Transportation: Chassis, truck frames, and crane booms require high load capacity.
Energy & Pipelines: Plates for pressure vessels, offshore platforms, and pipeline structures.
Marine & Shipbuilding: High-strength structural steel plates that meet maritime standards.
More Details About Zhaojian Steel Products
Key Features
Precise Alloy Composition
Advanced metallurgy ensures an ideal balance of strength and toughness.
Smart Heat Treatment
Multi-mode heat treatment and cooling enable precise control of mechanical properties.
Flexible Customization
Offers varied thicknesses and performance levels to meet diverse industry needs.
High Strength Steel Manufacturing Process
- Steelmaking & Alloying: Steel is melted in a furnace, with microalloying elements such as Nb (niobium), V (vanadium), and Ti (titanium) added to improve strength and toughness significantly.
- Casting: The molten steel is cast into high-quality slabs, ensuring uniform microstructure and minimizing defects.
- Hot Rolling & Controlled Cooling: High-strength steel plates use Thermo-Mechanical Controlled Processing (TMCP), precisely controlling rolling temperature and cooling rate to refine grain structure and achieve excellent mechanical properties.
- Heat Treatment: Certain grades of high-strength steel undergo quenching and tempering (Q&T) or normalizing processes to achieve higher yield strength and toughness.
- Surface Treatment & Finishing: Includes leveling, cutting, and surface protection.
- Performance Testing: High-strength steel must undergo rigorous testing for low-temperature impact toughness and weldability to ensure reliability under harsh conditions.
FAQ
High-strength steel plates contain microalloying elements and undergo advanced processing like TMCP and heat treatment, leading to higher yield and tensile strength along with improved toughness.
Thickness usually ranges from 3mm to 150mm, with custom widths and lengths available to meet specific project requirements.
Generally, our delivery time ranges from 15 to 45 days. For large-volume orders or special requests, the lead time may be longer.
