People in the industry tend to rely on the ASTM A283 steel plate quite a bit. It stands out as a top-grade carbon steel item designed to handle the tough rules set by ASTM International. That setup gives it strong reliability and solid performance across various global industrial jobs. The plate gets made from clean carbon steel, with manganese and silicon levels kept in check. Those elements help deliver steady mechanical traits like reliable yield strength, tensile strength, and good ductility. In fact, it goes beyond what plain carbon steel usually provides. You get decent protection against corrosion and wear in everyday settings. All that makes it a smart, affordable pick for projects that last over time. We make sure each batch of our A283 carbon steel plate includes full paperwork on quality.
Product Details
Why Choose us?
why choose our products
- Stable And Reliable:Every inch of it has been carefully polished, with a smooth and glossy exterior and no flaws or impurities inside, ensuring quality assurance.
- Durable And Efficient:Durable and structurally stable, with flexibility. It can be applied to various scenarios.
- Standard Certification: The product is strictly produced in accordance with the ASTM A283 Grade C/D standard, ensuring stable and reliable quality.
- Supply Guarantee: Thanks to a stable raw material supply channel, even for large orders, we can ensure timely and sufficient delivery.
Specifications & Technical Parameters
| Item | Details |
| Material Grade | ASTM A283 Grade C, Grade D |
| Thickness | 3mm - 200mm (standard) / Custom thickness available (min. 1mm) |
| Width | 1000mm - 4000mm (standard) / Custom width up to 5000mm |
| Length | 2000mm - 12000mm (standard) / Custom length per project requirements |
| Surface Treatment | Hot-rolled (HR), Cold-rolled (CR), Galvanized, Painted (customizable) |
| Mechanical Properties (Grade D) | Yield Strength: ≥230MPa; Tensile Strength: 400-550MPa; Elongation: ≥25% |
| Hardness | HB 137-179 (can be adjusted via heat treatment) |
| Certification | ASTM, ISO, SGS, BV, MTC (3.1/3.2) |
Chemical Element Composition (Mass Fraction, %)
| Element | ASTM A283 Grade C | ASTM A283 Grade D |
| Carbon (C) | ≤0.24 | ≤0.25 |
| Manganese (Mn) | 0.85-1.20 | 0.85-1.20 |
| Phosphorus (P) | ≤0.040 | ≤0.040 |
| Sulfur (S) | ≤0.040 | ≤0.040 |
| Silicon (Si) | 0.15-0.35 | 0.15-0.35 |
| Copper (Cu) | ≤0.20 | ≤0.20 |
Product Application
Construction Engineering: Building structures, bridges, and tanks
Manufacturing: Mechanical parts, equipment frames, and pressure vessels
Infrastructure: Pipe supports, power plant components, and ship deck
Our Strength
Jiangsu Cunrui Metal Products Co., Ltd. has been deeply rooted in the carbon steel plate industry for over 15 years, growing from a small workshop into a trusted name in global steel supply.
Inside our factory, every process-from casting to rolling-is handled with precision. We operate 2 continuous casting lines and 3 rolling mills, supported by a team of skilled technicians and a fully equipped testing laboratory that keeps a close eye on quality at every stage.
Over the years, we've built long-term partnerships with more than 500 customers across 30+ countries. Backed by ISO 9001, CE, and API certifications, we don't just meet international standards-we aim to exceed them, delivering steel products that reflect our commitment, consistency, and craftsmanship.
Factory area
years experience
events & challenges
Senior Engineer
Service & Support
Custom Specifications
Can be customized according to the provided drawings
Surface Treatment
galvanized, painted or oiled, etc.
Export Packaging
Safe, standardized packaging for international shipping
After-Sales Guarantee
Product issues can be replaced or returned
FAQ
Q: What is the difference between ASTM A283 Grade C and D?
A: Grade D has higher yield/tensile strength (≥230MPa vs. ≥205MPa for Grade C) and better weldability, suitable for more demanding structural applications.
Q: Can you provide samples before bulk order?
A: Yes, free samples (up to 2kg) are available; clients only need to cover shipping costs.
Q: How long is the lead time for customized orders?
A: Standard orders: 7-10 days; customized processing (cutting/drilling): 10-15 days.
Q: Do you accept small orders?
A: Yes, MOQ is 1 ton for standard specifications; contact us for special arrangements.
Q: What if the product doesn't meet our requirements?
A:We offer a free redo or full refund service, provided that the issue is confirmed by a third-party inspection report.
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