Learn About the Latest ASTM A36 Steel Plate Price, Specifications and Dimensions.
A36 Steel Plate Manufacturer in China – Hot Rolled Steel Plate, MS Plate & Black Steel Plate Factory Supplier
Quality ASTM A36 Hot Rolled Carbon steel Plates suitable for heavy construction and general purpose fabrication. Supported by the Royal Steel Group's strong global network, including ROYAL STEEL GROUP USA LLC, and ROYAL GUATEMALA S.A., we guarantee 100 % traceable Mill Test Reports (MTR) and multi-port logistics flexible deliveries (Tianjin, Shanghai, Qingdao) to protect your project timelines.
| Item | Details |
| Material Standard | ASTM A36 / Mild Carbon Structural Steel |
| Typical Width | 1,000 mm – 2,500 mm |
| Typical Length | 6,000 mm – 12,000 mm (customizable) |
| Tensile Strength | 400 – 550 MPa |
| Yield Strength | 250 MPa (typical) |
| Surface Finish | Mill Finish / Shot Blasted / Pickled & Oiled |
| Quality Inspection | Ultrasonic Testing (UT), Magnetic Particle Testing (MPT), ISO 9001, SGS/BV Third-Party Inspection |
| Application | Construction Structures, Machinery Parts, Base Plates, Bridges, Frames, General Fabrication |
Each shipment of our ASTM A36 plates is subjected to strict non destructive testing before dispatch. We offer complete chemical and mechanical traceability with full MTC´s matching your stamped heat numbers. Third party visual and dimensional verification by SGS, Bureau Veritas (BV) and TUV are welcome and regularly carried out for our international clients.
Chemical Composition (Typical Range)
ASTM A36 Steel Plate Chemical Composition
| Element | Content (%) |
| Carbon (C) | 0.25 max |
| Manganese (Mn) | 0.80 – 1.20 |
| Phosphorus (P) | 0.040 max |
| Sulfur (S) | 0.050 max |
| Silicon (Si) | 0.40 max |
| Copper (Cu) | 0.20 max (when specified) |
ASTM A36 Steel Plate Mechanical Property
| Property | Value |
| Tensile Strength | 400 – 550 MPa |
| Yield Strength | ≥ 250 MPa |
| Elongation | 20% – 23% (depending on thickness) |
| Hardness | ≤ 135 HBW (typical hot-rolled condition) |
ASTM A36 Steel Plate Sizes
| Parameter | Range |
| Thickness | 2 mm – 200 mm |
| Width | 1,000 mm – 2,500 mm |
| Length | 6,000 mm – 12,000 mm (custom sizes available) |
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1. Raw Material Preparation
Selection of pig iron, scrap steel, and alloying elements.
3. Continuous Casting
Casting into slabs or blooms for further rolling.
5. Heat Treatment (Optional)
Normalizing or annealing to improve toughness and uniformity.
7. Cutting & Packaging
Shearing or sawing to size, anti-rust treatment, and delivery preparation.
2. Melting & Refining
Electric Arc Furnace (EAF) or Basic Oxygen Furnace (BOF)
Desulfurization, deoxidation, and chemical composition adjustment.
4. Hot Rolling
Heating → Rough Rolling → Finishing Rolling → Cooling
6. Inspection & Testing
Chemical composition, mechanical properties, and surface quality.
| No. | Inspection Item | Description / Requirements | Tools Used |
| 1 | Document Review | Verify MTC, material grade, standards (ASTM/EN/GB), heat number, batch, size, quantity, chemical & mechanical properties. | MTC, order documents |
| 2 | Visual Inspection | Check for cracks, folds, inclusions, dents, rust, scale, scratches, pits, waviness, edge quality. | Visual check, flashlight, magnifier |
| 3 | Dimensional Inspection | Measure thickness, width, length, flatness, edge squareness, angle deviation; confirm tolerances meet ASTM A6/EN 10029/GB standards. | Caliper, tape measure, steel ruler, ultrasonic thickness gauge |
| 4 | Weight Verification | Compare actual weight with theoretical weight; confirm within allowable tolerance (typically ±1%). | Weighing scale, weight calcula |
Contact our team now for the latest FOB/CIF price per ton.
Building & Structural Construction
Commonly used for structural components such as beams, columns, steel frames, stair systems, and other supporting structures in commercial and industrial buildings.
Bridges & Civil Engineering Projects
Suitable for bridge fabrication, reinforcement sections, tunnel support systems, and various infrastructure developments.
Industrial Machinery Manufacturing
Applied in machine bases, equipment frames, work platforms, and structural components for industrial machinery.
Heavy Equipment & Transportation
Used in manufacturing structural parts for construction equipment, truck chassis, trailers, and heavy-duty vehicles.
Metal Fabrication & Processing
Ideal for welding, cutting, bending, stamping, and custom fabrication of steel components for OEM projects.
Storage Tanks & Containers
Widely used in producing storage tanks, containers, and low-pressure vessel structures.
Public Infrastructure Projects
Applied in railway facilities, pipeline supports, port construction, and protective steel systems.
Power & Energy Industry
Provides structural support for power stations, transmission systems, and auxiliary components in renewable energy projects.
Agricultural & Mining Equipment
Used in manufacturing farm equipment, mining machinery supports, conveyor systems, and related components.
Factory & Industrial Facilities
Suitable for equipment platforms, maintenance structures, and secondary steel frameworks inside industrial plants.
1) Branch Office - Spanish-speaking support, customs clearance assistance, etc.
2) Over 5,000 tons of stock in stock, with a wide variety of sizes
3) Inspected by authoritative organizations such as CCIC, SGS, BV, and TUV, with standard seaworthy packaging
1. Stacked Bundles
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Steel plates are stacked neatly by size.
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Wooden or steel spacers are placed between layers.
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Bundles are secured with steel straps.
2. Crate or Pallet Packaging
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Small-size or high-grade plates can be packed in wooden crates or on pallets.
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Moisture-proof materials like rust-preventive paper or plastic film can be added inside.
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Suitable for export and easy handling.
3. Bulk Shipping
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Large plates may be transported by ship or truck in bulk.
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Wooden pads and protective materials are used to prevent collision.
Stable cooperation with shipping companies such as MSK, MSC, COSCO efficiently logistics service chain, logistics service chain are we to your satisfaction.
We follow the standards of quality management system ISO9001 in all procedure, and have strict control from packaging material purchase to transport vehicle scheduling.
Q: What standards do your steel plates comply with for Central American markets?
A: Our ASTM A36 steel plates fully comply with ASTM A36 standards, which are widely accepted in the Americas. We can also provide plates meeting specific local standards if required.
Q: How long is the delivery time?
A: Sea freight from Tianjin Port to the Colon Free Trade Zone typically takes about 28–32 days. Including production and customs clearance, the total delivery time is around 45–60 days. Expedited shipping options are also available.
Q: Do you provide customs clearance assistance?
A: Yes, we work with professional customs brokers in Central America to help customers handle customs declaration, tax payment, and other procedures, ensuring smooth and timely delivery.
Q: What documentation accompanies your ASTM A36 plate export shipments?
A: All structural steel plates are dispatched with an original Mill Test Certificate (MTC) conforming to EN 10204 3.1, detailed packing lists, and commercial invoices. We regularly coordinate with third-party inspectors (SGS/BV) at our Tianjin port warehouse prior to container loading to ensure physical dimensions perfectly match your purchase order tolerances.
Q: How does Royal Steel Group mitigate transit damage and corrosion for sea freight?
A: Plates are securely block-stacked by dimension, interleaved with wooden spacers where necessary, and bound with heavy-duty steel strapping with protective edge guards. For humid ocean transits, we offer moisture-resistant plastic film wrapping and rust-preventive chemical coatings upon project specification.
Contact Details
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
Phone
Hours
Monday-Sunday: 24-hour Service
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