
Pipeline Steel Billet Q345B
This Q345B pipeline steel billet is engineered to balance strength, weldability, and
ASTM A36 Channel Steel 100x50mm is a widely recognized carbon steel profile, celebrated for its exceptional versatility, reliability, and cost-effectiveness in construction, fabrication, and industrial projects. Conforming to ASTM A36 standards—the industry benchmark for carbon structural steels—this channel steel features a 100x50mm cross-section, making it ideal for applications requiring strong, lightweight support with efficient load distribution.


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Product details
| Material | ASTM A36 (Carbon Structural Steel) | — | Chemical Composition: C ≤0.25%, Mn 0.80–1.20%, P ≤0.04%, S ≤0.05%, Si ≤0.40% |
| Section Size | 100×50 | mm | Channel section with web height of 100mm and flange width of 50mm |
| Thickness Options | 3/4/5/6/8 | mm | Commonly available thicknesses |
| Weight per Meter | 4.779 (for 3mm), 6.337 (for 4mm), 7.887 (for 5mm), 9.437 (for 6mm), 12.535 (for 8mm) | kg/m | Varies depending on the thickness |
| Length Range | 6000 – 12000 (Customizable) | mm | Usually available in standard lengths within this range and can be cut to specific lengths as needed |
| Cross-Sectional Area | 6.08 (for 3mm), 8.06 (for 4mm), 10.03 (for 5mm), 12.01 (for 6mm), 16.00 (for 8mm) | cm² | Different values based on the selected thickness |
| Yield Strength (Minimum) | 250 | MPa | Measured at room temperature |
| Tensile Strength | 400 – 550 | MPa | Range at room temperature |
| Elongation (δ5 Minimum) | ≥20 | % | At room temperature |
| Impact Toughness (Average) | Varies depending on test conditions | J | Generally meets the requirements for typical structural applications under normal conditions |
| Manufacturing Standard | ASTM A36 | — | Complies with the American Society for Testing and Materials standard for carbon structural steel |
| Surface Treatment Options | Mill finish (black), Galvanizing, Painting | — | Mill finish is the natural state; galvanizing for enhanced corrosion resistance; painting for aesthetic and additional protection purposes |
| Typical Applications | Structural frameworks in buildings, roof trusses, floor joists, support brackets in industrial equipment, shelving units, conveyor systems, edge reinforcements in platforms | — | Widely used in various construction and industrial applications where structural support and load distribution are required |
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