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Structural Profiles - T-Beam (Orthophthalic)
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Greenlogy TEC
FRP pultruded profiles are a new type of composite material made with glass fiber reinforcement as the base material, resin as the binder, and glass fiber cloth as the covering reinforcement layer; after thorough impregnation, they are heated, formed and cured in a metal mold and then pulled by a pultrusion machine. They offer good physical properties and are widely used in high-strength, long-span applications.
Type | Specification (mm) | Weight (kg/m) | Specification (in) | Weight (lbs/in) |
|---|---|---|---|---|
T-section Steel | A*B*T | A*B*T | ||
54*6*31*6 | 0.89 | 9/4" x 1/4" x 19/16" x 1/4" | 1.96 | |
54*5*45*6 | 1.03 | 9/4" x 3/16" x 7/4" x 1/4" | 2.27 | |
54*6*45*6 | 1.1 | 9/4" x 1/4" x 7/4" x 1/4" | 2.43 | |
60*6*46*6 | 1.3 | 19/8" x 1/4" x 19/16" x 1/4" | 2.87 | |
78*6.4*44.5*6 | 1.38 | 3" x 1/4" x 7/4" x 1/4" | 3.04 |
Markets
Construction
Bridges and Highways
Chemical
Food and Beverage
Manufacturing
Metals and Mining
Microelectronics
Oil and Gas
Pharmaceutical
Power
Pulp and Paper
Leisure
Telecommunications
Transportation
Water and Wastewater Treatment
Features:
Corrosion resistance
Low maintenance cost
Flame retardant
Low installation cost
Heavy-metal safe
Long service life
Non-conductive and non-heat-conductive
High strength-to-weight ratio
Raw material introduction — resin types
Code | Resin type | Flame retardancy | Recommended applications |
|---|---|---|---|
VEFR-25 | Vinyl ester type | Oxygen index 28 and above | Acid, alkali and other harsh corrosive environments |
IFR-25 | Isophthalic type | Oxygen index 28 and above | An economical VEFR type with good performance and moderate resistance to acids, alkalis and solvents |
OFR-25 | Orthophthalic type | Oxygen index 28 and above | General acid and alkali environments |
Applications:
Greenlogy TEC pultruded FRP structural profiles are widely used in numerous fields, combining corrosion resistance, high strength, dimensional stability and light weight, along with thermal insulation and electrical insulation properties. Durable Greenlogy TEC profiles provide years of low-maintenance service in areas where steel, aluminum or wood components are traditionally specified. Today, these profiles are commonly used in highly corrosive applications that previously required stainless steel and other costly components.
Greenlogy TEC profiles
Mechanical properties | ASTM | Unit | Value | Unit | 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 |
Excluding round rods and square rods
Physical properties | ASTM | Unit | Value |
|---|---|---|---|
Barcol hardness | 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 | ASTM | Unit | Value |
|---|---|---|---|
Tunnel test* | E-84 | Flame spread | Max 25 |
Combustibility* | D-635 | --- | Non-combustible |
Electrical properties | ASTM | Unit | Value |
|---|---|---|---|
Arc resistance, LW | D-495 | 秒（s） | 120 |
Dielectric strength, LW | D-149 | kv./in. | 35 |
Dielectric strength, PF | D-149 | V/mil | 200 |
Dielectric constant, PF | D-150 | @60hz | 5 |
LW = lengthwise, CW = crosswise, PF = perpendicular to laminate surface
*Applies only to ISOFR and VEFR
Application Scenarios
As a structural section, T-section steel (orthophthalic) is commonly used for supports, frames and reinforcing structures requiring high strength and larger spans, such as platform guardrails, walkway frameworks, equipment supports and load-bearing components in corrosive environments. Its corrosion resistance, light weight and high strength make it suitable for chemical, water treatment, marine engineering and other applications with demanding weatherability requirements. For specific applicable working conditions, please contact us for detailed recommendations.
Selection Guide
During selection, match the T-section steel's cross-sectional dimensions and unit weight to the structural span, load conditions, connection method and installation environment. The orthophthalic resin system offers a balanced combination of corrosion resistance and mechanical performance, making it suitable for most general structural requirements. If you are unsure which specification to choose, please contact us for detailed specifications and a quotation, and our technical staff will assist you in confirming.
Product Advantages
This T-section steel is made of glass fiber as reinforcement and resin as binder through a pultrusion process. It features light weight, high strength, corrosion resistance, insulation and non-magnetic properties, and is easy to cut and install on site. Compared with traditional metal sections, it is easier to maintain in humid or corrosive environments. For specific performance data, please contact us for detailed specifications and a quotation.
Inquiry Guidance
For detailed specifications, dimensional tolerances, supply forms and commercial terms of the T-section steel (orthophthalic), please contact us. Please provide the required specifications, quantity and operating environment, and we will reply as soon as possible with a quotation and technical support.
Custom Cutting
Need panels that fit, or cut to shape? We custom cut FRP grating and profiles to your drawing: panels cut to size or to shape (corner cuts, cutouts), cut edges sealed with resin, and pre-cut and pre-drilled to drawing before shipping. See the custom cutting services.
