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Pultruded FRP I-beam (also called fiberglass I girder / FRP H-beam) is a heavy-load structural composite profile manufactured by continuous pultrusion molding. Continuous aligned E-glass rovings and surface veil are fully impregnated with thermosetting resin, then pulled through special I-shaped heating dies for one-piece curing, forming standard I cross-section with upper & lower flanges and middle web.
Its unique I-structure maximizes bending resistance: flanges bear tension & compression while the web undertakes shear force, far superior to square tubes, rectangular tubes and angle bars for long-span beam load-bearing. As a perfect replacement for steel I-beams and aluminum girders, it integrates ultra-light weight, full corrosion resistance and complete insulation. All products comply with EN13706 and ISO9001 standards; standard sizes are in stock, with fully customizable height, flange width, thickness, resin formula and color.
Complete Technical Specifications:
1. Standard Dimension Range
Beam height (web height): 25mm – 400mm
Flange width: 15mm – 200mm
Web thickness: 3mm – 20mm
Flange thickness: 3mm – 10mm
Standard single length: 6m; arbitrary custom cutting length supported
Inch-size I-beams available for North American markets
2. Optional Resin Matrix
General Polyester: Cost-effective for common outdoor construction platforms & frames
Vinyl Ester: Super anti-corrosion grade for marine, chemical, sewage and salt-spray areas
Epoxy: Higher mechanical strength, dedicated to high-standard power insulation projects
3. Standard Color Choices
Safety yellow, white, light grey, dark grey, green, red; custom color matching supported
4. Mechanical Reference Data
Density: 1.8–2.0 g/cm³ | Tensile Strength ≥450MPa | Flexural Strength ≥600MPa
Certifications: ISO9001, EN13706, optional UL94 flame retardant certificate
Core Competitive Advantages:
1. Optimized I Cross-Section, Outstanding Bending Performance
Scientific I-shaped design distributes bending stress evenly, ideal for long-span support beams, walkway girders and overhead frames that bear heavy vertical loads. Its density is only 1/4 of carbon steel, 75% lighter than equivalent steel beams, greatly reducing foundation load, transportation and on-site lifting costs without large cranes.
2. Full Anti-Corrosion & UV Aging Resistance
100% rust-free, rot-free and oxidation-free. Resists salt spray, acids, alkalis and various industrial solvents. Outer gel-coat veil blocks UV damage, no fading, cracking or delamination under long-term outdoor exposure, serving over 20 years in coastal, chemical, wastewater and aquaculture harsh environments.
3. Complete Electrical & Thermal Insulation
Non-conductive, non-magnetic with dielectric strength over 25kV/mm, eliminating electric leakage and arc risks. Low thermal conductivity avoids heat transfer, the exclusive primary beam material for substations, cable trays and electrical equipment frames.
4. Zero Maintenance & Low Lifecycle Cost
Integral pigmented resin body requires no regular painting, galvanizing or anti-rust coating. Only simple visual inspection needed during service, cutting long-term maintenance expense by 30%–35% compared with steel beams.
5. Easy Fabrication & Rich Customization
Can be cut, drilled, bolted and assembled with standard carbide tools without welding. Multiple web thickness, flange thickness, solid colors and flame-retardant resin grades are available on request. Matching FRP angles, tubes and connectors for full frame assembly.
6. Optional UL94 Flame Retardant Grade
Vinyl ester fire-resistant FRP I-beam meets ASTM E84 Class 1 fire standard, low smoke and no molten drips, satisfying fire codes for factories, public buildings and power facilities.
Wide Application Scenarios:
1. Chemical & Wastewater Treatment: Platform main girders, cooling tower support beams, filter tank overhead frames
2. Marine & Coastal Engineering: Dock walkway beams, offshore platform load-bearing girders, seaside facility primary supports
3. Power & New Energy: Substation insulation cross girders, solar PV large-span mounting frames, cable tray support beams
4. Construction & Infrastructure: Building roof trusses, curtain wall keels, pedestrian bridge girders
5. Agriculture & Aquaculture: Greenhouse long-span main beams, livestock farm overhead support frames
6. Industrial Workshop: Equipment heavy-load frames, safety walkway beams, workshop overhead isolation girders
Why Choose Us?
1. Factory direct supply with multiple full-automatic pultrusion lines, stable fast delivery for bulk wholesale orders
2. Mass stock of mainstream standard I-beam sizes for immediate shipment; new molds for special customized cross-section sizes
3. Strict raw material inspection + finished mechanical bending & tensile testing; official test reports and technical datasheets provided
4. Professional engineering team offers free span calculation and structural matching design, fully compatible with our full range of FRP profiles
5. Waterproof pallet packaging wrapped with plastic film, preventing scratches and collision deformation during sea and land transportation
6. Global OEM & ODM wholesale service, welcome long-term cooperation with distributors and large engineering contractors
PRODUCT
In order to provide you with the right equipment, please provide us with the following information
Hebei YATFRP Environmental Protection Equipment Co., Ltd.
Hengshui City, Hebei Province
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