Carbon Steel Bars & Profiles
Premium quality carbon steel products for construction, manufacturing and industrial applications
Carbon Steel Bars
We are a leading supplier of high-quality carbon steel bars manufactured to meet international standards including ASTM, EN, and JIS specifications. Our products are suitable for a wide range of industrial applications from construction to precision manufacturing.
Technical Specifications
Our carbon steel bars are available in hot-rolled, cold-rolled, and forged conditions with various surface finishes. Standard sizes range from 5mm to 500mm diameter, with custom sizes available upon request. All materials come with complete traceability and Mill Test Certificates.
Common Grades & Properties:
| Grade | C% | Mn% | Yield Strength | Tensile Strength | Applications |
|---|---|---|---|---|---|
| 4140 | 0.38-0.43 | 0.75-1.00 | 60,200 psi | 95,000 psi | Shafts, gears, bolts |
| A992 | 0.23 max | 0.50-0.90 | 50,000 psi | 65,000 psi | Building frames, structural |
| 1045 | 0.43-0.50 | 0.60-0.90 | 45,000 psi | 75,000 psi | Machine parts, axles |
| 1018 | 0.15-0.20 | 0.60-0.90 | 53,700 psi | 63,800 psi | Pins, rods, shafts |
| ASTM A36 | 0.25-0.29 | 0.80-1.20 | 36,300 psi | 58,000-80,000 psi | General structural |
Key Applications:
- Shafts and axles in automotive industry
- Machine components and gears
- Construction and infrastructure projects
- Tool and die manufacturing
- Mining and heavy equipment components
- Fasteners and bolts
- Structural supports and frames
Carbon Steel Profiles
We supply a comprehensive range of European standard carbon steel profiles including IPE, HEA, HEB, and IPN series. These structural sections are essential for construction, infrastructure, and industrial projects worldwide. All our profiles meet EN 10025 standards and are available in various material grades.
Technical Specifications
Our steel profiles are manufactured according to EN 10025 standards and are available in various material grades including S235JR, S275JR, S355JR, and S355J2. We offer cutting, drilling, and other value-added services to meet your project requirements.
Common Profile Types:
Standard Dimensions (HEB Series):
| Profile | Height (mm) | Width (mm) | Web Thickness (mm) | Flange Thickness (mm) | Weight (kg/m) |
|---|---|---|---|---|---|
| HEB 100 | 100 | 100 | 6 | 10 | 20.4 |
| HEB 200 | 200 | 200 | 9 | 15 | 61.3 |
| HEB 300 | 300 | 300 | 11 | 19 | 117 |
| HEB 400 | 400 | 300 | 13.5 | 24 | 155 |
| HEB 500 | 500 | 300 | 16 | 28 | 199 |
Key Applications:
- Building frameworks and structural systems
- Bridge construction and infrastructure projects
- Industrial plants and warehouse structures
- Support columns and load-bearing beams
- Heavy equipment and machinery manufacturing
- Offshore and marine structures
- Crane rails and support systems
Custom Steel Solutions
We specialize in custom fabrication and tailored steel solutions to meet your specific project requirements.
Our advanced manufacturing facilities allow us to provide custom sizes, special grades, and unique profiles that exceed standard specifications. Whether you need non-standard dimensions, special surface treatments, or unique mechanical properties, our engineering team can develop solutions for your most challenging applications.
Custom Sizing
Non-standard dimensions and tolerances tailored to your specifications
Special Alloys
Custom chemical compositions and mechanical properties
Processing Services
Cutting, drilling, welding, and surface treatment services
Technical Details & Specifications
Quality Assurance
All our carbon steel products comply with international standards including ASTM, EN, ISO, and JIS. We provide comprehensive material test certificates (MTC) with each shipment, ensuring full traceability and quality compliance. Our quality management system is certified to ISO 9001:2015 standards.
Chemical Composition (ASTM A36 Equivalent):
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.25-0.29 |
| Manganese (Mn) | 0.80-1.20 |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.05 max |
| Silicon (Si) | 0.15-0.40 |
| Copper (Cu) | 0.20 min (when required) |
Processing Capabilities
We offer additional processing services including precision cutting, drilling, welding, bending, and surface treatment to meet your specific project requirements. Our facilities are equipped with state-of-the-art CNC machinery for high-precision fabrication.
Mechanical Properties:
| Property | Value |
|---|---|
| Tensile Strength | 400-550 MPa |
| Yield Strength | 250 MPa min |
| Elongation | 20% min |
| Impact Energy (Charpy V-notch) | 27 J at 20°C |
| Hardness (Brinell) | 119-162 HB |
| Modulus of Elasticity | 200 GPa |
Why Choose Our Carbon Steel Products?
Industry Applications
Our carbon steel products serve a wide range of industries including construction, automotive, aerospace, energy, and heavy machinery. The versatility of carbon steel makes it ideal for applications requiring strength, durability, and cost-effectiveness.
Global Standards Compliance
We ensure all our products comply with relevant international standards including ASTM A36, ASTM A572, ASTM A992, EN 10025, and JIS G3101. This commitment to standardization guarantees consistent performance and reliability across all our products.
Sustainability & Environmental Responsibility
We are committed to sustainable manufacturing practices and environmental responsibility. Our production processes prioritize energy efficiency, waste reduction, and recycling, ensuring minimal environmental impact while delivering high-quality steel products.