ASTM A283 Grade C Steel Plate

ASTM A283 Grade C steel plate is a versatile low carbon structural steel offering excellent formability and weldability...

Material Carbon Steel
Grade / Standard ASTM A283 Grade C
Thickness 6mm - 300mm
Width 1000mm - 4020mm
Length 3000mm - 18000mm
Delivery Condition hot_rolled / normalized / as_rolled
Surface Treatment bare / shot_blasting / painting / coated
MOQ 1 Piece / 5 Tons
Delivery Time 15-30 Days / In Stock
Loading Port Tianjin / Shanghai / Qingdao
Equivalent Grades: ASTM A283 Gr.C = EN S235JR = GB Q235B = JIS SS400
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Overview of ASTM A283 Grade C Steel Plate

ASTM A283 Grade C is a high-quality carbon structural steel plate covered under the ASTM A283/A283M standard. It is specifically designed for general structural applications that require low to intermediate tensile strength. Characterized by its excellent formability and superior welding performance, A283 Grade C is a staple material in the construction, manufacturing, and engineering sectors.

Compared to other carbon steels, ASTM A283 Grade C offers a higher degree of ductility, making it an ideal choice for components that undergo significant shaping or forming during fabrication. Whether it is used for storage tanks, low-pressure vessels, or structural frames, this grade provides a reliable and cost-effective solution for diverse industrial needs.

Key Features and Processing Advantages

The primary advantage of ASTM A283 Grade C steel plate is its exceptional ease of processing. Its low carbon chemistry ensures that it can be welded using all standard industrial methods (such as SMAW and GMAW) without the risk of brittle fractures or the need for intensive pre-heating. This makes it a preferred material for large-scale welded structures where speed and reliability are paramount.

Furthermore, A283 Grade C plates exhibit consistent mechanical properties across a wide range of thicknesses. They can be easily cold-formed, bent, and machined using standard workshop equipment. At Shandong Tanglu Metal Material Co., Ltd., we provide these plates with precise edge cutting and surface treatments, ensuring they arrive ready for immediate use in your production line.

Main Applications of ASTM A283 Grade C Steel Plate

ASTM A283 Grade C steel plates are most commonly utilized in the construction of storage tanks, silos, and low-pressure piping systems. Their reliable structural integrity also makes them suitable for building frames, bridge components, and machinery bases. Because of their excellent formability, they are frequently used in the manufacturing of shipping containers and agricultural equipment.

In the engineering sector, A283 Grade C is often selected for base plates, brackets, and secondary structural members where moderate strength is sufficient but high workability is required. Its versatility extends to the automotive and transport industries, providing a dependable material for chassis reinforcements and heavy-duty transport containers.

Why Choose Us for ASTM A283 Grade C Steel Plate

Shandong Tanglu Metal Material Co., Ltd. is a specialized supplier of structural carbon steels, offering ASTM A283 Grade C in a comprehensive range of dimensions. We ensure that every plate meets strict international quality standards, backed by full Mill Test Certificates (MTC). Our professional export team handles everything from custom cutting to secure seaworthy packaging.

With a robust supply chain and a monthly capacity of 10,000 tons, we are equipped to support both large-scale infrastructure projects and regular industrial supply needs. By choosing us, you gain a partner dedicated to providing high-quality materials, competitive pricing, and efficient logistics from China’s major ports.

📐 Dimension & Size Table

Thickness (mm) Width (mm) Length (mm) Weight (kg/m²)
6 1500 - 4020 3000 - 18000 47.10
8 1500 - 4020 3000 - 18000 62.80
10 1500 - 4020 3000 - 18000 78.50
12 1500 - 4020 3000 - 18000 94.20
14 1500 - 4020 3000 - 18000 109.90
16 1500 - 4020 3000 - 18000 125.60
20 1500 - 4020 3000 - 18000 157.00
25 1500 - 4020 3000 - 18000 196.25
30 1500 - 4020 3000 - 18000 235.50
40 1500 - 4020 3000 - 18000 314.00
50 1500 - 4020 3000 - 18000 392.50
60 1500 - 4020 3000 - 18000 471.00
80 1500 - 4020 3000 - 18000 628.00
100 1500 - 4020 3000 - 18000 785.00
150 1500 - 4020 3000 - 18000 1177.50
200 1500 - 4020 3000 - 18000 1570.00
300 1500 - 4020 3000 - 18000 2355.00

* Custom sizes available upon request. Tolerances per relevant international standards.

🔬 Chemical Composition

Element Min Max Display Value Note
C - 0.24 ≤0.24 For Grade C
Mn - 0.90 ≤0.90 Balanced structural strength
P - 0.035 ≤0.035 Low impurities
S - 0.040 ≤0.040 Standard control
Si - 0.40 ≤0.40 Killing agent
Cu 0.20 - ≥0.20 When specified

* Chemical composition may vary by heat, thickness and specification. Please refer to the actual mill test certificate.

⚙️ Mechanical Properties

Property Value Unit Test Condition
Yield Strength ≥ 205 MPa 30 ksi minimum
Tensile Strength 380 - 515 MPa 55-75 ksi
Elongation ≥ 22 % In 200mm (8 in)

* Values shown are minimum requirements unless otherwise stated.

📦 Commercial Information

Packaging Standard seaworthy export packing, bundled with steel strips and angle iron protection, with desiccant inside to prevent moisture.
Payment Terms tt : T/T (Telegraphic Transfer) lc : L/C (Letter of Credit) dp : D/P (Documents against Payment) western_union : Western Union paypal : PayPal
Price Term FOB CFR CIF EXW
Supply Capacity 10,000 Tons/Month
Loading Port Tianjin / Shanghai / Qingdao

Why Choose Our ASTM A283 Grade C Steel Plate?

Certified Quality

All products supplied with original mill test certificate EN 10204 3.1, ensuring full quality traceability.

📐

Custom Size Available

Non-standard dimensions accepted. Custom cutting service available for your specific project needs.

🚢

Fast Worldwide Delivery

Large inventory for immediate shipment. Professional seaworthy packing ensures safe delivery to any destination.

🏭 Applications of ASTM A283 Grade C Steel Plate

ASTM A283 Grade C steel plate is highly valued for its excellent formability and moderate strength, making it the preferred choice for storage tanks, silos, and low-pressure piping. It is also extensively used in building construction for structural frames and base plates. Due to its reliable welding performance, it is ideal for manufacturing machinery parts and transport containers.

🏗️ Construction & Structure 🛢️ Oil & Gas Pipeline ⚙️ Machinery & Equipment 🧪 Chemical Industry 🚂 Railway & Transportation

📋 Quality & Certification

Our Certifications

  • ✅ ISO 9001:2015

Mill Certificate Type

  • 📋 EN 10204 3.1
  • 📋 EN 10204 3.2
  • 📋 Original Mill Certificate
  • 📋 Third Party Inspection Available
  • 📋 Certificate of Origin

❓ Frequently Asked Questions

What is ASTM A283 Grade C Steel Plate?

ASTM A283 Grade C is a carbon structural steel plate covered under the ASTM A283 standard, designed for general structural applications requiring low to intermediate tensile strength.

What are the key features of A283 Grade C?

It offers excellent formability, superior welding performance, and is a cost-effective solution for diverse industrial needs such as storage tanks and building frames.

What sizes of A283 Grade C plate do you supply?

We supply thicknesses from 6mm to 300mm, with widths up to 4020mm and lengths up to 18000mm. Custom cutting is also available.

What are the main applications of ASTM A283 Grade C?

It is commonly used in storage tanks, silos, low-pressure piping, building frames, bridge components, and machinery bases.

Do you provide quality certification?

Yes, all our plates are supplied with original Mill Test Certificates (MTC) ensuring they meet strict international quality standards.

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ASTM A283 Grade C Steel Plate

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