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Carbon Steel H Beam
1. Product Overview
Carbon Steel H-Beam is a hot-rolled section steel with a cross-section shape resembling the letter "H", made from carbon structural steel. Its unique sectional design provides good mechanical properties in both width and height directions, featuring strong bending resistance, convenient construction, and cost-effectiveness. As the most commonly used load-bearing component in building structures, carbon steel H-beam is widely used in industrial plants, commercial buildings, bridge engineering, and various other structural applications, serving as an essential basic material in modern steel structure construction.
2. Key Features
The optimized cross-sectional design of H-beams provides maximum section modulus and moment of inertia at the same weight. With high strength-to-weight ratio and similar moments of inertia in both principal axes, they offer excellent compression, bending, and torsion resistance, capable of withstanding loads from all directions.
Keywords: high load-bearing H-beam, optimized section design, strong bending resistance, bidirectional mechanical properties, efficient structural material
Carbon steel H-beams are manufactured according to national standards with precise, uniform dimensions and strong interchangeability. They can be prefabricated in factories and quickly installed on site, significantly shortening construction periods. The regular sectional shape facilitates connections with other components, improving construction efficiency.
Keywords: standardized H-beam, precise dimension control, quick installation construction, strong component interchangeability, construction efficiency improvement
Carbon steel H-beams are easy to cut, drill, weld, and bolt, meeting various complex engineering requirements. Their smooth surfaces and regular geometric shapes facilitate subsequent processing, supporting flexible engineering designs.
Keywords: easy processing H-beam, welding connection performance, flexible engineering design, multiple connection methods, good processing adaptability
Compared to other sectional shapes, H-beams offer better cost-effectiveness. With complete specification series from light to heavy types, they meet structural requirements for different spans and loads, providing wide applicability.
Keywords: economical H-beam, complete specification series, wide applicability, cost-effective choice, multifunctional structural material
Parameter | Specification Range | Standard / Notes |
Steel Grade | Q235B, Q355B, ASTM A36, SS400，S235JR，S275JR，S355JR | GB/T, ASTM, JIS,EN |
Model Series | HW (Wide Flange), HM (Medium), HN (Narrow) | GB/T 11263 |
Flange Width (B) | 100mm - 400mm | ±2.0mm tolerance |
Web Height (H) | 100mm - 400mm | ±2.0mm tolerance |
Flange Thickness (t1) | 6mm - 45mm | ±0.7mm tolerance |
Web Thickness (t2) | 4mm - 20mm | ±0.7mm tolerance |
Standard Length | 6000mm - 12000mm | ±30mm tolerance |
Tensile Strength | 370 MPa - 630 MPa | ASTM A370 |
Yield Strength | 235 MPa - 355 MPa | ASTM A370 |
Elongation | 20% - 26% | in 50mm |
Surface Quality | Free from cracks and harmful defects | Visual inspection |
Straightness | ≤1mm/m (Total ≤10mm) | - |
Weight Tolerance | ±5% of theoretical weight |
4.Application Scenarios
(1)Used in main frames, platform beams and columns, crane beams, and other load-bearing structures in industrial plants. The strong load-bearing capacity of H-beams supports heavy equipment and large spaces, while their regular sections facilitate equipment installation and pipeline arrangement.
(2)Applied in shopping malls, office buildings, schools, hospitals, and other civil buildings. The flexibility and economy of H-beams make them ideal for large-span spatial structures, meeting modern architectural requirements for space utilization and functional needs.
(3)Used in highway bridges, railway bridges, pedestrian bridges, and other transportation facilities. The excellent mechanical properties of H-beams ensure bridge structure safety and reliability, while standardized production guarantees engineering quality stability.
5.FAQ
Q1: Q1: What is the difference between HW, HM, and HN series?
A1: HW series are wide flange beams mainly for columns; HM are medium flange for beam-columns; HN are narrow flange primarily for bending beams. Selection should be based on specific loading conditions.
Q2: Can galvanized H-shaped steel be welded?
A2: Yes. Choose appropriate anti-corrosion measures based on usage environment, such as anti-corrosion coatings, hot-dip galvanizing, or fireproof coatings. Corrosion protection is essential in humid, corrosive environments to extend service life.
Q3: How to calculate the bearing capacity of H-beam?
A3: Calculate based on section dimensions, material strength, support conditions, and usage requirements. Refer to steel structure design codes or use professional structural calculation software. Important projects should be designed by professional engineers.
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