Products Description
ASTM A1011 is a hot-rolled carbon steel plate, which is produced according to ASTM A1011/A1011M standard. Covering common brands such as CS, DS and HSLA, it is widely used in the fields of construction and general manufacturing. Compared with cold rolling, hot rolling has lower cost, and it is suitable for occasions where surface requirements are not high but strength, weldability and formability are needed. In actual procurement, many customers value the balance among price, supply and performance.
Product details




Specifications & Technical Parameters
| Item | Description |
| Standard | ASTM A1011 / A1011M |
| Material Types | CS (Commercial Steel), DS (Drawing Steel), HSLA (High-Strength Low-Alloy) |
| Thickness Range | 1.2 mm – 25 mm |
| Width Range | Up to 2000 mm |
| Length Range | Custom cut-to-length available |
| Delivery Condition | Hot rolled, pickled & oiled (optional) |
| Yield Strength (Typical) | CS Type B:≥ 205 MPa; HSLA Grade 50:≥ 345 MPa |
| Tensile Strength (Typical) | CS Type B:270 – 380 MPa; HSLA Grade 50:450 – 620 MPa |
Chemical Composition (Typical Range, wt.%)
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.25 |
| Manganese (Mn) | ≤ 1.35 |
| Phosphorus (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.05 |
Key Features and Practical Advantages
Flexible Grade Selection (CS / DS / HSLA)
Customers can choose different brands according to where they are used:
- CS: It's used for general structure, basically enough.
- DS: It is easy to form and suitable for stamping parts.
- HSLA: High strength, used for load-bearing parts.
This kind of hierarchical design, engineers can choose materials according to their needs, neither over-designing nor wasting budget.
Good Weldability and Fabrication Performance
The reason why ASTM A1011 carbon steel plate is so widely used is mainly because it is easy to process-welding, bending and forming are relatively easy, and it can be done without too complicated process.
From our contact experience, most processing plants are willing to choose A1011 when making general structural parts, because it does not need any special welding process, and ordinary welding machines can do it.
Surface Options for Different Applications
No intermediate links, providing one-stop service from design, processing, mold trial to mass production.
- As-rolled surface
- Pickled & oiled (P&O) for cleaner surface
For applications like painting or coating, P&O material is often preferred to reduce surface preparation work.

Typical Applications
ASTM A1011 carbon steel plate and sheet are widely used in:
- Structural components and frames
- Construction and infrastructure
- Machinery parts
- Storage tanks
- Automotive components (non-critical parts)
In many cases, A1011 is selected as a baseline material before moving to higher-grade steels if needed.




Why Choose Our ASTM A1011 Carbon Steel Plate?
When supplying A1011, the most frequently asked question by customers is: Can you use it directly without rework?
We will check the flatness and thickness before delivery, especially for customers who use CNC machining or automatic production line. If these two items are not done well, the alignment will be prone to deviation during processing.
Non-standard size can be cut and fixed according to your actual needs, and the standard size will not be forced. This way, you have less waste and higher efficiency.
In terms of data, the factory inspection report (MTC) goes with the goods. Need a third party inspection can also be arranged.
Bottom line: it can be used as expected, with the right specifications, clear documents and no delay in delivery.

FAQ
Q: What information is needed for a quotation?
A: Thickness, width, length, quantity, and grade (CS/DS/HSLA). Drawings are helpful if available.
Q: Can you supply pickled and oiled (P&O) material?
A: Yes, P&O is available and recommended for applications requiring cleaner surfaces.
Q: What is the delivery time?
A: Stock: 5–10 days; new production: 20–30 days depending on order size.
Q: Do you provide certificates?
A: Yes, EN 10204 3.1 MTC is provided, with optional third-party inspection.
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