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ZZ-00027
Zhongzheng or as per your demand
3916909000
Pultruded FRP Square/Rectangular Tube
General Introduction
Pultruded FRP Square/Rectangular Tube is not only widely used in our daily life, also used in a variety of insulation, mechanical structural components and other structural components. And with a uniform color inside and outside, and the color can be customized according to the customer’s requirements to adapt to the environment.
Round Tube Specification
| Legend | Model | Dimension(mm) | Weight(kg/m) |
| Square Tube ST25A | 25*25*2.8*2.8 | 0.50 |
| Square Tube ST25B | 25*25*3.2*3.2 | 0.53 | |
| Square Tube ST25C | 25*25*6.4*6.4 | 0.90 | |
| Square Tube ST32 | 32*32*6.4*6.4 | 1.24 | |
| Square Tube ST38A | 38*38*3.2*3.2 | 0.85 | |
| Square Tube ST38B | 38*38*5.0*5.0 | 1.25 | |
| Square Tube ST38C | 38*38*6.4*6.4 | 1.54 | |
| Square Tube ST44A | 44*44*3.2*3.2 | 1.01 | |
| Square Tube ST44B | 44*44*6.4*6.4 | 1.83 | |
| Square Tube ST50A | 50*50*3.2*3.2 | 1.14 | |
| Square Tube ST50B | 50*50*3.5*3.5 | 1.24 | |
| Square Tube ST50C | 50*50*4.0*4.0 | 1.42 | |
| Square Tube ST50D | 50*50*5.0*5.0 | 1.74 | |
| Square Tube ST50E | 50*50*6.4*6.4 | 2.12 | |
| Square Tube ST54A | 54*54*3.2*3.2 | 1.24 | |
| Square Tube ST54B | 54*54*4.8*4.8 | 1.78 | |
| Square Tube ST60A | 60*60*5.0*5.0 | 2.10 | |
| Square Tube ST64A | 64*64*3.2*3.2 | 1.48 | |
| Square Tube ST64B | 64*64*4.4*4.4 | 1.97 | |
| Square Tube ST64C | 64*64*6.4*6.4 | 2.80 | |
| Square Tube ST76A | 76*76*3.2*3.2 | 1.77 | |
| Square Tube ST76B | 76*76*5.0*5.0 | 2.70 | |
| Square Tube ST76C | 76*76*6.4*6.4 | 3.39 | |
| Square Tube ST101A | 101*101*5.0*5.0 | 2.38 | |
| Square Tube ST101B | 101*101*5.0*5.0 | 3.61 | |
| Square Tube ST101C | 101*101*6.4*6.4 | 4.61 | |
| Square Tube ST152A | 152*152*6.4*6.4 | 7.10 | |
| Square Tube ST152B | 152*152*9.5*9.5 | 10.4 | |
| Square Tube ST152C | 152*152*12.7*12.7 | 13.5 | |
| Square Tube STR25 | 25*25*3.175*3.175 | 0.7 | |
| Handrail Type U | 62*59*4.5 | 1.50 | |
| Handrail Type U | 62*60*5.0 | 1.70 | |
| Square Tube (Handrail) STH50 | 50*50*6.4*5.0 | 3.0 |
Rectangular Tube Specification
| Legend | Model | Dimension(mm) | Weight(kg/m) |
| Rectangular Tube FT50A | 51*25*3.0*3.0 | 0.79 |
| Rectangular Tube FT50B | 51*25*6.4*6.4 | 1.54 | |
| Rectangular Tube FT51A(stair) | 51*25*4.0*4.0 | 1.01 | |
| Rectangular Tube FT51B(stair) | 51*38*4.0*4.0 | 1.22 | |
| Rectangular Tube FT52(stair) | 52*35*5.0*5.0 | 1.41 | |
| Rectangular Tube FT80 | 80*60*5.0*5.0 | 2.5 | |
| Rectangular Tube FT91A | 91*38*4.0*4.0 | 1.78 | |
| Rectangular Tube FT112A | 112*91*6.4*6.4 | 4.46 | |
| Rectangular Tube FT120 | 120*45*3.0*3.0 | 2.0 | |
| Rectangular Tube FT175 | 175*50*9.0*9.0 | 7.0 |
Advantages:
1. High strength and Light weight
2. No deformation
3. High temperature resistant
4. Low water absorption
5. Strong corrosion resistance
6. Other Excellent Performance
Pultrusion Technique
Pultrusion is a continuous process using fiber reinforcements with thermosetting resin matrices. Pre-selected reinforcement materials, such as fiberglass roving, mat, woven fabrics or stitched fabric, are drawn through a resin bath in which all material is thorougly impregnated with a liquid thermosetting resin. Typical resins include polyesters, vinyl esters and phenolics. The wet-out fiber is formed to the desired geometric shape and pulled into a heated steel die. Once inside the die, the resin cure is initiated by controlling precise elevated temperature. The laminate solidifies in the exact cavity shape of the die, as it is continuously pulled by the pultrusion machine. Most any constant cross-section part can be pultruded.
Pultrusion Process 
Application
Company Profile
Ningbo Zhongzheng steel grating Co. Ltd. is a professional enterprise in R & D., design, steel grating, SMC grating field. With innovative and pragmatic, scientific developing philosophy, following the criterion of ISO9001, it provides steel grating, stair tread, compound steel grating, fiberglass grating, drainage pit/trench cover, railing & stanchion, etc. It products are widely used in petroleum, chemical industry, environmental protection, power plants, pharmaceutical, printing and dyeing, brewing water supply and drainage, transportation and other industries.
With its ten years of professional management experience and production in press welding steel grating, it is one of the few enterprises who have the technology of flat steel and galvanized steel grating in the industry. The plentiful resources, skilled team, and high level of management, make it be the fastest developed, most potential grating products supplier.
Ningbo Zhongzheng steel grating Co., Ltd strictly followed the brand management of "quality making value, innovation leading the future", to provide clients high quality assurance, drawing, mechanics calculation, data collation service. With high-quality products and services combined, it has been well recognized by clients all over the world. The products have been exported to different countries and regions, such as South Korea, Singapore, Thailand, Australia, France, Kenya, etc.
WEBSITE: WWW.CNSTELLGRATING.COM
SALES DEPT. FOREIGN BUSINESS:
TEL.: 86-574 8388 8317
FAX: 86-574 8388 8317
ATTN.: Bruce
Pultruded FRP Square/Rectangular Tube
General Introduction
Pultruded FRP Square/Rectangular Tube is not only widely used in our daily life, also used in a variety of insulation, mechanical structural components and other structural components. And with a uniform color inside and outside, and the color can be customized according to the customer’s requirements to adapt to the environment.
Round Tube Specification
| Legend | Model | Dimension(mm) | Weight(kg/m) |
| Square Tube ST25A | 25*25*2.8*2.8 | 0.50 |
| Square Tube ST25B | 25*25*3.2*3.2 | 0.53 | |
| Square Tube ST25C | 25*25*6.4*6.4 | 0.90 | |
| Square Tube ST32 | 32*32*6.4*6.4 | 1.24 | |
| Square Tube ST38A | 38*38*3.2*3.2 | 0.85 | |
| Square Tube ST38B | 38*38*5.0*5.0 | 1.25 | |
| Square Tube ST38C | 38*38*6.4*6.4 | 1.54 | |
| Square Tube ST44A | 44*44*3.2*3.2 | 1.01 | |
| Square Tube ST44B | 44*44*6.4*6.4 | 1.83 | |
| Square Tube ST50A | 50*50*3.2*3.2 | 1.14 | |
| Square Tube ST50B | 50*50*3.5*3.5 | 1.24 | |
| Square Tube ST50C | 50*50*4.0*4.0 | 1.42 | |
| Square Tube ST50D | 50*50*5.0*5.0 | 1.74 | |
| Square Tube ST50E | 50*50*6.4*6.4 | 2.12 | |
| Square Tube ST54A | 54*54*3.2*3.2 | 1.24 | |
| Square Tube ST54B | 54*54*4.8*4.8 | 1.78 | |
| Square Tube ST60A | 60*60*5.0*5.0 | 2.10 | |
| Square Tube ST64A | 64*64*3.2*3.2 | 1.48 | |
| Square Tube ST64B | 64*64*4.4*4.4 | 1.97 | |
| Square Tube ST64C | 64*64*6.4*6.4 | 2.80 | |
| Square Tube ST76A | 76*76*3.2*3.2 | 1.77 | |
| Square Tube ST76B | 76*76*5.0*5.0 | 2.70 | |
| Square Tube ST76C | 76*76*6.4*6.4 | 3.39 | |
| Square Tube ST101A | 101*101*5.0*5.0 | 2.38 | |
| Square Tube ST101B | 101*101*5.0*5.0 | 3.61 | |
| Square Tube ST101C | 101*101*6.4*6.4 | 4.61 | |
| Square Tube ST152A | 152*152*6.4*6.4 | 7.10 | |
| Square Tube ST152B | 152*152*9.5*9.5 | 10.4 | |
| Square Tube ST152C | 152*152*12.7*12.7 | 13.5 | |
| Square Tube STR25 | 25*25*3.175*3.175 | 0.7 | |
| Handrail Type U | 62*59*4.5 | 1.50 | |
| Handrail Type U | 62*60*5.0 | 1.70 | |
| Square Tube (Handrail) STH50 | 50*50*6.4*5.0 | 3.0 |
Rectangular Tube Specification
| Legend | Model | Dimension(mm) | Weight(kg/m) |
| Rectangular Tube FT50A | 51*25*3.0*3.0 | 0.79 |
| Rectangular Tube FT50B | 51*25*6.4*6.4 | 1.54 | |
| Rectangular Tube FT51A(stair) | 51*25*4.0*4.0 | 1.01 | |
| Rectangular Tube FT51B(stair) | 51*38*4.0*4.0 | 1.22 | |
| Rectangular Tube FT52(stair) | 52*35*5.0*5.0 | 1.41 | |
| Rectangular Tube FT80 | 80*60*5.0*5.0 | 2.5 | |
| Rectangular Tube FT91A | 91*38*4.0*4.0 | 1.78 | |
| Rectangular Tube FT112A | 112*91*6.4*6.4 | 4.46 | |
| Rectangular Tube FT120 | 120*45*3.0*3.0 | 2.0 | |
| Rectangular Tube FT175 | 175*50*9.0*9.0 | 7.0 |
Advantages:
1. High strength and Light weight
2. No deformation
3. High temperature resistant
4. Low water absorption
5. Strong corrosion resistance
6. Other Excellent Performance
Pultrusion Technique
Pultrusion is a continuous process using fiber reinforcements with thermosetting resin matrices. Pre-selected reinforcement materials, such as fiberglass roving, mat, woven fabrics or stitched fabric, are drawn through a resin bath in which all material is thorougly impregnated with a liquid thermosetting resin. Typical resins include polyesters, vinyl esters and phenolics. The wet-out fiber is formed to the desired geometric shape and pulled into a heated steel die. Once inside the die, the resin cure is initiated by controlling precise elevated temperature. The laminate solidifies in the exact cavity shape of the die, as it is continuously pulled by the pultrusion machine. Most any constant cross-section part can be pultruded.
Pultrusion Process
Application
Company Profile
Ningbo Zhongzheng steel grating Co. Ltd. is a professional enterprise in R & D., design, steel grating, SMC grating field. With innovative and pragmatic, scientific developing philosophy, following the criterion of ISO9001, it provides steel grating, stair tread, compound steel grating, fiberglass grating, drainage pit/trench cover, railing & stanchion, etc. It products are widely used in petroleum, chemical industry, environmental protection, power plants, pharmaceutical, printing and dyeing, brewing water supply and drainage, transportation and other industries.
With its ten years of professional management experience and production in press welding steel grating, it is one of the few enterprises who have the technology of flat steel and galvanized steel grating in the industry. The plentiful resources, skilled team, and high level of management, make it be the fastest developed, most potential grating products supplier.
Ningbo Zhongzheng steel grating Co., Ltd strictly followed the brand management of "quality making value, innovation leading the future", to provide clients high quality assurance, drawing, mechanics calculation, data collation service. With high-quality products and services combined, it has been well recognized by clients all over the world. The products have been exported to different countries and regions, such as South Korea, Singapore, Thailand, Australia, France, Kenya, etc.
WEBSITE: WWW.CNSTELLGRATING.COM
SALES DEPT. FOREIGN BUSINESS:
TEL.: 86-574 8388 8317
FAX: 86-574 8388 8317
ATTN.: Bruce
