Carbon Steel Plate/Sheet Supplier & Manufacturer | Huaxiao-Alloy
1. Introduction to Carbon Steel Plates/Sheets
Carbon steel plates and sheets are flat-rolled steel products with carbon content ranging from 0.05% to 1.25%, designed for structural, industrial, and precision applications. As a leading carbon steel plate manufacturer and supplier, Huaxiao-Alloy provides a comprehensive range of ASTM, AISI, DIN, JIS, and GB-standard carbon steel plates/sheets, engineered for strength, durability, and cost-efficiency. Our products are trusted in industries such as construction, shipbuilding, automotive, and heavy machinery manufacturing.
- Dimensions:
- Thickness: 0.5mm–300mm.
- Width: Up to 4,000mm (plates) / 2,000mm (sheets).
- Length: Up to 18,000mm.
- Processing: Laser cutting, bending, punching, and welding.
- Packaging: Waterproof wrapping, wooden crates, or customized bundling.
- Delivery: FOB/CIF to global ports (e.g., Jakarta, Rotterdam, Houston) in 15–25 days.
2. Carbon Steel Plate/Sheet Grades & Specifications
We supply ALL GRADES of carbon steel plates/sheets, categorized by carbon content and mechanical properties.
2.1 Grade Classification Table
| Grade Type | Carbon Content | Key Standards | Example Grades | Primary Applications |
|---|---|---|---|---|
| Low-Carbon Steel | 0.05%–0.25% | ASTM A36, AISI 1008/1010/1018, JIS SS400, EN S235JR | ASTM A36, AISI 1018 | Structural frameworks, automotive panels, welding projects |
| Medium-Carbon Steel | 0.25%–0.60% | ASTM A572, AISI 1045, EN C45, DIN 1.1191 | AISI 1045, EN C45 | Gears, axles, hydraulic cylinders, machinery components |
| High-Carbon Steel | 0.60%–1.25% | ASTM A228, AISI 1095, EN C70, JIS SK5 | AISI 1095, EN C70 | Cutting tools, springs, blades, high-strength wires |
| Ultra-High Carbon Steel | 1.25%–2.1% | Custom Alloys, ASTM A228 | 1.8%C, C1100 | Precision instruments, specialty tools |
2.2 Global Standard Cross-Reference
| ASTM | AISI/SAE | DIN | JIS | EN | GB |
|---|---|---|---|---|---|
| ASTM A36 | 1008/1010 | 1.0038 | SS400 | S235JR | Q235 |
| ASTM A572 | 1045 | 1.1191 | S45C | C45 | 45# |
| ASTM A228 | 1095 | 1.1274 | SK5 | C70 | T10 |
3. Chemical & Physical Properties
3.1 Chemical Composition (Weight %)
| Grade | C | Mn | Si | P (max) | S (max) | Fe |
|---|---|---|---|---|---|---|
| ASTM A36 | ≤0.26 | 0.75–1.20 | ≤0.40 | 0.04 | 0.05 | Balance |
| AISI 1045 | 0.42–0.50 | 0.60–0.90 | 0.15–0.35 | 0.04 | 0.05 | Balance |
| EN C70 | 0.67–0.75 | 0.60–0.90 | 0.15–0.35 | 0.025 | 0.025 | Balance |
| JIS SK5 | 0.80–0.90 | 0.10–0.40 | 0.10–0.35 | 0.03 | 0.03 | Balance |
3.2 Mechanical & Physical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | Impact Toughness (J, -20°C) | Thermal Conductivity (W/m·K) |
|---|---|---|---|---|---|---|
| ASTM A36 | 400–550 | 250 | 20–23 | 120–160 | 27–34 | 50–60 |
| AISI 1045 | 585–680 | 505 | 12–15 | 170–210 | 18–25 | 45–55 |
| EN C70 | 950–1200 | 620 | 5–10 | 250–300 | 10–15 | 40–50 |
| JIS SK5 | 900–1150 | 600 | 6–12 | 240–290 | 12–18 |
4. Technical Advantages of Huaxiao-Alloy’s Carbon Steel Plates/Sheets
As a carbon steel plate supplier and manufacturer, we ensure:
- Superior Strength-to-Weight Ratio: Optimized for load-bearing structures (e.g., bridges, warehouses).
- Precision Manufacturing: Tight tolerance control (±0.1mm for thickness, ±2mm for width/length).
- Custom Heat Treatment:
- Annealing: Softens material for machining.
- Quenching & Tempering: Enhances hardness and wear resistance (e.g., AISI 1095 for blades).
- Surface Finishes:
- Hot-Rolled: Mill scale for cost-effective applications.
- Cold-Rolled: Smooth surface for automotive or aesthetic uses.
- Galvanized/Painted: Corrosion protection for outdoor use.
6. Quality Assurance & Certifications
- Material Traceability: EN 10204 3.1/3.2 Mill Test Certificates (MTCs) with heat numbers.
- Testing Protocols:
- Chemical Analysis: Spectrometry for exact composition verification.
- Mechanical Testing: Tensile, impact (Charpy V-notch), and hardness tests.
- Non-Destructive Testing (NDT): Ultrasonic (UT) and dye penetrant inspection.
- Compliance: ASTM, ISO 9001:2015, PED 2014/68/EU, and ASME BPVC.
7. FAQs
A: Hot-rolled plates are processed at high temperatures for cost efficiency, while cold-rolled sheets undergo room-temperature rolling for precise dimensions and smoother surfaces.
A: Yes. ASTM A537 Cl.1 or A516 Gr.70 plates are suitable for LNG tanks and subzero environments.
A: Yes. We provide embossed, checkered, or diamond-plate finishes for walkways and stairs.
A: MOQ starts at 1 ton. Volume discounts apply for orders exceeding 50 tons.
A: We offer galvanizing (zinc coating), epoxy painting, or stainless steel cladding.
A: Yes. We supply NACE-compliant grades (e.g., ASTM A516 Gr.60 HIC) for oil and gas pipelines.
A: Yes. Specify hole diameter, spacing, and pattern during order placement.
Why Choose Huaxiao-Alloy?
- Global Reach: 50+ countries served, including the USA, Germany, Japan, and Indonesia.
- Technical Support: Dedicated engineers for material selection and project optimization.
- Competitive Pricing: Direct factory pricing with no intermediaries.
- Sustainability: Recyclable materials and energy-efficient production processes.
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