Product Name: Extra‑Thick Steel Plate
Introduction
Extra‑Thick Steel Plates are heavy‑gauge flat‑rolled products with thicknesses exceeding 50 mm, manufactured via hot‑rolling from high‑quality steel billets. These plates provide exceptional structural strength, rigidity, and wear resistance for the most demanding heavy‑duty applications. With robust mechanical properties and excellent stability, extra‑thick plates are essential for large‑scale construction, heavy machinery foundations, offshore structures, and critical pressure vessel components.
Key Specifications
| Specification | Details |
|---|---|
| Base Grades | ASTM A36 / A572 Gr. 50 / EN 10025 S355JR / A515 Gr. 70 |
| Thickness Range | 50 – 200 mm |
| Width Range | 1,000 – 4,000 mm |
| Length Range | 2,000 – 12,000 mm |
| Yield Strength | 250–355 MPa |
| Tensile Strength | 400–540 MPa |
| Elongation (min) | ≥ 16 % |
| Surface Condition | Rough mill scale (optionally shot‑blast or pickled) |
| Flatness Tolerance | ≤ 5 mm/m |
Custom grades, thicknesses beyond 200 mm, and oversized dimensions available upon request.
Features & Advantages
Ultra‑High Load Capacity: Thick cross‑section delivers unmatched bending and shear strength for heavy‑load support.
Exceptional Rigidity: Minimal deflection under extreme weights, ensuring structural stability in large spans and foundations.
Wear & Impact Resistance: Greater material mass withstands abrasion, impact, and fatigue in harsh service conditions.
Robust Weldability: Suitable for submerged‑arc and shielded‑metal‑arc welding; minimal distortion when proper pre‑heat and post‑heat procedures are followed.
Long Service Life: Extra thickness prolongs maintenance intervals and component lifespan in high‑stress environments.
Applications
Heavy‑Duty Foundations: Machine bases, press beds, and heavy equipment mounting plates.
Offshore & Marine Structures: Jacket frames, platform decks, and sub‑sea manifolds with high corrosion‑resistant coatings.
Pressure Vessels & Boilers: Shell and head plates for large‑diameter, high‑pressure reactors and steam boilers.
Mining & Excavation: Crusher liners, mill liners, and wear plates for heavy mining equipment.
Infrastructure Projects: Bridge bearing plates, retaining wall backplates, and dam components.
Packaging & Delivery
Packaging:
Plates stacked with heavy‑duty timber supports and polymer spacers; edges protected with steel angles.
Coated with rust‑inhibiting oil or shot‑blasted and oiled; secured with steel strapping.
Loaded on heavy‑capacity skids or custom cradles for transport.
Lead Time: Production and shipment within 30–45 days after order confirmation; expedited schedules (20–25 days) available for critical projects.
Why Choose Our Extra‑Thick Plates?
State‑of‑the‑Art Plate Mills: High‑tonnage rolling mills capable of producing plates up to 300 mm thick with precise dimensional control.
Stringent Quality Assurance: 100 % ultrasonic flaw detection, mechanical testing (tensile, yield, impact), and flatness inspection to ensure integrity.
Custom Fabrication Services: CNC plasma cutting, beveling, and surface treatment (shot‑blast, coating) tailored to your specifications.
Technical Expertise: In‑house metallurgical engineers and welding specialists provide heat‑treatment guidance, weld procedure qualification, and performance analysis within 12 hours.
Contact Us
For premium Extra‑Thick Steel Plates engineered to your toughest requirements, please contact our sales team. We're dedicated to delivering robust, precision‑manufactured steel solutions and exceptional technical support for your most demanding projects.
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