ASTM A53 Hot Rolled Steel Plate High Strength Carbon Steel Plate for Construction and Industrial Applications
ASTM A53 Hot Rolled Steel Plate is a high-quality carbon steel product manufactured according to ASTM standards, featuring excellent strength, durability, and weldability. Produced through a hot rolling process, it provides reliable mechanical performance and dimensional stability, making it suitable for a wide range of construction, industrial, and engineering applications.
ROYAL GROUP supplies ASTM A53 steel plates with various thicknesses, widths, and lengths, supporting customized production, strict quality inspection, and global export services.
· High strength and excellent structural performance
· Good weldability and machinability
· Stable chemical composition (ASTM standard compliant)
· Available in hot rolled / black surface finish
· Suitable for construction, infrastructure, and fabrication
· Custom cutting and OEM sizes available
| Item | Specification |
| Standard | ASTM A53 |
| Product Type | Steel Plate / MS Plate / HR Plate |
| Thickness | 6 mm – 250 mm |
| Width | Up to 4000 mm |
| Length | Up to 12000 mm or custom |
| Surface | Hot Rolled / Black / Oiled |
| Processing | Cutting, bending, drilling |
| Yield Strength | A53 Gr.A: 205 MPa (30,000 psi) |
| A53 Gr.B: 240 MPa (35,000 psi) | |
| Tensile Strength | A53 Gr.A: 330–455 MPa (48,000–66,000 psi) |
| A53 Gr.B: 415–550 MPa (60,000–80,000 psi) | |
| Elongation | Good ductility for forming |
| Impact Test | Optional for low temperature use |
Chemical Composition (%)
| Grade | C (Max) | Mn (Max) | P (Max) | S (Max) | Cu (Max) |
| ASTM A53 Grade A | 0.25 | 0.95 | 0.05 | 0.045 | 0.4 |
| ASTM A53 Grade B | 0.3 | 1.2 | 0.05 | 0.045 | 0.4 |
Chemical composition may vary depending on product thickness and manufacturing requirements. Final values are based on Mill Test Certificate.
Mechanical Properties
| Grade | Yield Strength (Min) | Tensile Strength | Elongation (Min) |
| ASTM A53 Grade A | 205 MPa | 330 MPa | 20% |
| ASTM A53 Grade B | 240 MPa | 415 MPa | 23% |
Stable steel mill supply chain
Competitive factory price
Fast delivery capability
Global export experience
Strict quality inspection system
Support OEM & custom orders
Construction Projects
Used for structural components, steel frames, platforms, and building support systems due to its high strength and durability.
Industrial Equipment
Suitable for machinery bases, pressure-related equipment, storage systems, and industrial fabrication.
Pipeline & Infrastructure
Commonly applied in pipeline systems, bridges, transportation facilities, and large-scale infrastructure projects.
Manufacturing & Fabrication
Ideal for cutting, welding, bending, and producing various steel structures and components.
Note:
1.Free sampling, 100% after-sales quality assurance, Support any payment method;
2.All other specifications of round carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.
Hot rolled surface (standard supply)
Black steel plate finish
Anti-rust oil coating
Custom cutting to size
Drilling and welding preparation
Export packaging (sea-worthy packing)
ROYAL GROUP applies strict quality control procedures throughout production:
Raw material inspection
Chemical composition testing
Tensile and yield strength testing
Thickness and dimension measurement
Surface defect inspection
Ultrasonic testing (optional)
Mill Test Certificate (MTC) provided
Third-party inspection available (SGS/BV/TUV)
Standard export seaworthy packing
Steel strip bundling
Waterproof protection
Fast delivery time: 7–15 days depending on order
Transportation: Express (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)
Q1: What is ASTM A53 steel plate used for?
ASTM A53 steel plate is commonly used in construction, industrial fabrication, pipelines, structural components, and infrastructure projects.
Q2: Can you provide customized steel plate sizes?
Yes. We provide customized thickness, width, length, cutting, drilling, and surface treatment services.
Q3: Do you provide quality certificates?
Yes. Each shipment includes a Mill Test Certificate (MTC), and third-party inspection reports can be provided upon request.
Q4: What is the difference between ASTM A53 Grade A and Grade B?
Grade B has higher tensile and yield strength, making it more suitable for applications requiring stronger structural performance.
Q5: What are the available surface treatments?
We provide hot rolled finish, shot blasting, painting, and galvanized coating options according to project requirements.
Contact us with your size, thickness, and quantity requirements.
We will reply within 12 hours with the best price and technical support.











