Structural Profiles - I-Beams (Vinylester)
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Genius FRP
FRP structural shapes profile is made of glass fiber reinforced material, resin as adhesive, glass fiber cloth as a package reinforcement layer, through the thorough penetration, in the metal mold heating, molding, curing, drawing in the traction machine pulled A new type of composite material, with good physical properties, widely used in high strength, large span Situation.

Varieties | Size(mm) | Weight(kg/m) | Size(in) | Weight(lbs/in) |
I-beam | A*B*T1*T2 | A*B*T1*T2 | ||
IB32 | 15*32*6.4*4 | 0.51 | 9/16" x 5/4" x 1/4" x 3/16" | 1.12 |
IB38A | 30*38*3*3 | 0.53 | 19/16" x 3/2" x 1/8" x 1/8" | 1.17 |
IB45A | 45*9*180*12 | 5.4 | 7/4" x 3/8" x 7" x 1/2" | 11.9 |
IB50A | 50*102*6.4*6.4 | 2.4 | 2" x 4" x 1/4" x 1/4" | 5.29 |
IB50B | 50*102*8*8 | 3 | 2" x 4" x 5/16" x 5/16" | 6.61 |
IB76A | 76*152*6.4*6.4 | 3.59 | 3" x 6" x 1/4" x 1/4" | 7.91 |
IB76B | 76*152*9.5*9.5 | 5.32 | 3" x 6" x 3/8" x 3/8" | 11.73 |
IB102A | 102*203*9.5*9.5 | 7.2 | 4" x 8" x 3/8" x 3/8" | 15.87 |
IB102B | 102*203*12.7*12.7 | 9.5 | 4" x 8" x 1/2" x 1/2" | 20.94 |
IB120 | 120*240*12*12 | 10.5 | 19/4" x 19/2" x 1/2" x 1/2" | 23.15 |
IB127A | 127*254*9.5*9.5 | 9 | 5" x 10" x 3/8" x 3/8" | 19.84 |
IB127B | 127*254*12.7*12.7 | 11.9 | 5" x 10" x 1/2" x 1/2" | 26.24 |
IB127C | 127*152*9.5*9.5 | 7.1 | 5" x 6" x 3/8" x 3/8" | 15.65 |
IN127D | 127*152*12.7*12.7 | 9.2 | 5" x 6" x 1/2" x 1/2" | 20.28 |
IB152A | 152*305*9.5*9.5 | 10.7 | 6" x 12" x 3/8" x 3/8" | 23.68 |
IB152B | 152*305*12.7*12.7 | 14.3 | 6" x 12" x 1/2" x 1/2" | 31.53 |
Markets

Architectural
Bridge & Highway
Chemical
Food & Beverage
Manufacturing
Metals & Mining
Microelectronics
Oil & Gsa
Pharmaceutical
Power
Pulp & Paper
Recreation
Telecommunications
Transportation
Water & Wastewater
The characteristics:
Corrosion Resistant
Low Maintenance
Fire Retardant
Low Install Cost
Heavy Metal Safe
Long Service Life
Electrically & Thermally Non Conductive
High Strength-to-Weight Ratio
Introduction of raw materials——Resin type
Code | Resin type | Flame retardant property | Recommended usage occasions |
VEFR-25 | Vinyl type | Oxygen index 28 or above | Acid, alkali and other corrosive harsh environment |
IFR-25 | Meta benzene | Oxygen index 28 or above | A VEFR type economy, and excellent, moderate acid alkali and solvent |
OFR-25 | Ortho type | Oxygen index 28 or above | General acid and alkali environment |
Application:
Genius© pultruded fiberglass structural shapes from Genius Composite Inc. are used in a wide range of applications and provide a unique combination of corrosion resistance, high strength, dimensional stability and light weight, along with thermal and electric non-conductivity. Durable Genius shapes provide years of low maintenance service in areas where steel, aluminum or wood components are traditionally specified. Today ,these shapes are often used in highly corrosive applications where stainless steel and other expensive components were once required.
Genius Shapes
Mechanical Properties | ASTM | Units | Value | Units | Value |
Tensile Stress, LW | D-638 | psi | 30000 | kgf/m² | 21092086 |
Tensile Stress, CW | D-638 | psi | 7000 | kgf/m² | 4921487 |
Tensile Modulus, LW | D-638 | 10^6psi | 2.5 | 10^6kgf/m² | 1758 |
Tensile Modulus, CW | D-638 | 10^6psi | 0.8 | 10^6kgf/m² | 562 |
Compressive Stress, LW | D-695 | psi | 30000 | kgf/m² | 21092086 |
Compressive Stress, CW | D-695 | psi | 15000 | kgf/m² | 10546043 |
Compressive Modulus, LW | D-695 | 10^6psi | 2.5 | 10^6kgf/m² | 1758 |
Compressive Modulus, CW | D-695 | 10^6psi | 1 | 10^6kgf/m² | 703 |
Flexural Stress, LW | D-790 | psi | 30000 | kgf/m² | 21092086 |
Flexural Stress, CW | D-790 | psi | 10000 | kgf/m² | 7030695 |
Flexural Modulus, LW | D-790 | 10^6psi | 1.8 | 10^6kgf/m² | 1266 |
Flexural Modulus, CW | D-790 | 10^6psi | 0.8 | 10^6kgf/m² | 562 |
Modulus of Elasticity | Full Section | 10^6psi | 2.8 | 10^6kgf/m² | 1969 |
Shear Modulus | --- | 10^6psi | 0.45 | 10^6kgf/m² | 316 |
Short Beam Shear | D-2344 | psi | 4500 | kgf/m² | 3163813 |
Punch Shear | D-732 | psi | 10000 | kgf/m² | 7030695 |
Notched Izod Impact,LW | D-256 | ft.-lbs./in. | 25 | kg/m | 3.46 |
Notched Izod Impact,CW | D-256 | ft.-lbs./in. | 4 | kg/m | 0.55 |
Excludes Round Rod and Square Bar
Physical Properties | ASTM | Units | Value |
Barcoal | D-495 | --- | 45 |
24 Hour Water Absorption | D-570 | %max | 0.45 |
Density | D-792 | lbs./in.³ | 0.062-0.07 |
Coefficient of Thermal Expansion,LW | D-696 | 10^-6in./in./℃ | 8 |
Flammability Properties | ASTM | Units | Value |
Tunnel test* | E-84 | Flame Spread | 25 max |
Flammability* | D-635 | --- | Non-Burning |
Electrical Properties | ASTM | Units | Value |
Arc Resistance,LW | D-495 | seconds | 120 |
Dielectric Strength,LW | D-149 | kv./in. | 35 |
Dielectric Strength,PF | D-149 | volts/mil | 200 |
Dielectric Constant,PF | D-150 | @60hz | 5 |
LW=Lengthwise, CW=Crosswise,PF=Perpendicular to Laminate Face
*Pertains to ISOFR and VEFR only
Application Scenarios
Vinylester I-beams are suitable for high-humidity, highly corrosive and high-strength environments, such as chemical platforms, wastewater treatment facilities, marine engineering and power facilities. Their lightweight, high-strength characteristics facilitate transportation and installation, making them suitable for large-span structures. Contact us to learn about specific application cases.
Selection Guide
Selection requires comprehensive consideration of load, span, corrosive environment and installation conditions. It is recommended to determine the beam cross-section dimensions based on design loads and support spacing, and to select the appropriate model with reference to the product specification table. For technical support, contact us for selection advice.
Product Advantages
Vinylester I-beams offer excellent corrosion resistance, high strength and lightweight characteristics, along with good insulation and aging resistance. Compared with steel, they have a longer service life and lower maintenance costs. Contact us for detailed performance data.
Inquiry Guidance
For more product specifications, prices or customization requirements, contact us for detailed specifications and quotations. Our technical team will provide you with professional support.
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