Learn About the Latest ASTM A572/A572M Steel Plate Price, Specifications and Dimensions.
High-Strength ASTM A572/A572M Grade 50 Steel Plate | Mild Carbon Structural Steel for Construction & Industrial Use
| Item | Details |
| Material Standard | ASTM A572/A572M HSLA Steel Plate |
| Grade | Grade 42, Grade 50, Grade 55, Grade 60, Grade 65 |
| Typical Width | 1,000 mm – 2,500 mm |
| Typical Length | 6,000 mm – 12,000 mm (customizable) |
| Tensile Strength | 400–655 MPa (58–95 ksi) |
| Yield Strength | 290-450 MPa (41-65 ksi) |
| Advantage | Excellent Weldability and Good Corrosion Resistance, and is Suitable for Various Structural Applications Both Indoors and Outdoors. |
| Quality Inspection | Ultrasonic Testing (UT), Magnetic Particle Testing (MPT), ISO 9001, SGS/BV Third-Party Inspection |
| Application | Building structures, bridges, towers, vehicles, heavy machinery, etc. |
Chemical Composition (Typical Range)
ASTM A572/A572M Steel Plate Chemical Composition
| Grade | C (%) Max | Mn (%) Max | P (%) Max | S (%) Max | Si (%) Max | Cu (%) Max | Nb, Ti, V (%) | Notes |
| Grade 42 | 0.23 | 1.35 | 0.035 | 0.04 | 0.4 | 0.2 | ≤0.05 each | Standard HSLA elements |
| Grade 50 | 0.23 | 1.35 | 0.035 | 0.04 | 0.4 | 0.2 | ≤0.05 each | Most commonly used |
| Grade 55 | 0.23 | 1.35 | 0.035 | 0.04 | 0.4 | 0.2 | ≤0.05 each | Higher strength |
| Grade 60 | 0.23 | 1.35 | 0.035 | 0.04 | 0.4 | 0.2 | ≤0.05 each | Heavy-duty applications |
| Grade 65 | 0.23 | 1.35 | 0.035 | 0.04 | 0.4 | 0.2 | ≤0.05 each | Highest strength |
ASTM A572/A572M Steel Plate Mechanical Property
| Grade | Yield Strength | Tensile Strength | Features |
| Grade 42 | 42 ksi (≈ 290 MPa) | 58–72 ksi (≈ 400–500 MPa) | Basic strength grade, suitable for general structural applications |
| Grade 50 | 50 ksi (≈ 345 MPa) | 65–80 ksi (≈ 450–550 MPa) | Most commonly used grade, suitable for bridges and building structures |
| Grade 55 | 55 ksi (≈ 380 MPa) | 70–85 ksi (≈ 480–590 MPa) | High strength grade, suitable for heavy-duty structures |
| Grade 60 | 60 ksi (≈ 415 MPa) | 75–90 ksi (≈ 520–620 MPa) | High strength, high load-bearing applications |
| Grade 65 | 65 ksi (≈ 450 MPa) | 80–95 ksi (≈ 550–655 MPa) | Highest strength grade, used for special high-strength projects |
ASTM A572/A572M 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.
Building Structures: High-rise buildings, industrial warehouses, bridges, and structural frameworks
Civil Engineering Projects: Bridge trusses, beams, guardrails, port structures, and heavy-duty construction components
Machinery & Vehicle Manufacturing: Heavy machinery frames, cranes, towers, truck and railway chassis
Other Applications: Oil & gas pipeline supports, communication towers, and other high-strength structural elements
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
| 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 |
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. This guarantees the H-beams from the factory all the way to the project site, helping you build on a solid foundation for a trouble free project!
1. What is ASTM A572/A572M steel plate?
ASTM A572/A572M is a high-strength, low-alloy (HSLA) structural steel plate. It is widely used in construction, bridges, heavy machinery, and industrial applications due to its high tensile strength, excellent weldability, and corrosion resistance.
2. What are the key features of ASTM A572 steel plate?
High strength-to-weight ratio
Excellent weldability and fabrication ease
Good corrosion resistance suitable for indoor and outdoor use
Wide range of thicknesses and sizes
3. Can ASTM A572 steel plate be welded?
Yes, it has excellent weldability and is suitable for various welding methods, including MIG, TIG, and submerged arc welding.
4 What is the difference between ASTM A572 and A36 steel plate?
ASTM A572 steel has higher strength, better corrosion resistance, and improved weldability compared to standard ASTM A36 carbon steel, making it more suitable for heavy-duty structures.
5. Is ASTM A572 steel plate suitable for outdoor environments?
Yes, it has good corrosion resistance and can be used outdoors. Applying coatings or paint can further enhance its durability.
6. What thickness and size options are available?
ASTM A572 plates are available in various thicknesses, widths, and lengths, depending on the supplier. Common thickness ranges from 3 mm up to 200 mm or more.
7. How to select the right grade of ASTM A572 steel plate?
Use Grade 42 for general structural applications
Grade 50 is the most commonly used for bridges and building structures
Grades 55, 60, 65 are suitable for heavy-duty or high-strength projects
Contact Details
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Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
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