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Sino Composite offers FRP round and square tubes with high strength, light weight, and excellent corrosion resistance. We provide various types of FRP round and square tubes, which are an integral part of our FRP building system, tool handles, etc. At the same time, we can provide customized tubes processing.
Model | Dimensions(mm) | Approx.Weight |
1-ST25 | 25x25x3.2 | 0.53 |
2-ST25 | 25x25x6.4 | 0.9 |
3-ST32 | 32x32x6.4 | 1.24 |
4-ST38 | 38x38x3.2 | 0.85 |
5-ST38 | 38x38x5.0 | 1.25 |
6-ST38 | 38x38x6.4 | 1.54 |
7-ST44 | 44x44x3.2 | 0.99 |
8-ST50 | 50x50x4.0 | 1.42 |
9-ST50 | 50x50x5.0 | 1.74 |
10-ST50 | 50x50x6.4 | 2.12 |
11-ST54 | 54x54x4.8 | 1.78 |
12-ST64 | 64x64x3.2 | 1.48 |
13-ST64 | 64x64x6.4 | 2.80 |
14-ST76 | 76x76x3.2 | 1.77 |
15-ST76 | 76x76x5.0 | 2.70 |
16-ST76 | 76x76x6.4 | 3.39 |
17-ST76 | 76x76x9.5 | 4.83 |
18-ST90 | 90x90x5.0 | 3.58 |
19-ST90 | 90x90x6.4 | 4.05 |
20-ST101 | 101x101x5.0 | 3.61 |
21-ST101 | 101x101x6.4 | 4.61 |
22-ST150 | 150x150x9.5 | 10.17 |
23-ST150 | 150x150x12.7 | 13.25 |
Model | Dimensions(mm) | Approx.Weight |
1-FT44 | 44x20x3 | 0.7 |
2-FT50 | 50x25x3 | 0.79 |
3-FT50 | 50x25x6.4 | 1.51 |
4-FT80 | 80x30x4 | 1.61 |
5-FT90 | 90x30x5 | 2.07 |
6-FT100 | 100x50x6.4 | 3.31 |
7-FT100 | 100x75x6.4 | 3.92 |
8-FT140 | 140x30x5 | 2.88 |
9-FT200 | 200x30x5 | 4.1 |
Model | Dimensions(mm) | Approx.Weight |
1-RT25 | 25×3.2 | 0.42 |
2-RT32 | 32×3.2 | 0.55 |
3-RT32 | 32×6.4 | 0.97 |
4-RT35 | 35×4.5 | 0.82 |
5-RT35 | 35×6.4 | 1.09 |
6-RT38 | 38×3.2 | 0.67 |
7-RT38 | 38×4.0 | 0.81 |
8-RT38 | 38×6.4 | 1.21 |
9-RT42 | 42×5.0 | 1.11 |
10-RT42 | 42×6.0 | 1.29 |
11-RT48 | 48×5.0 | 1.28 |
12-RT50 | 50×3.5 | 0.88 |
13-RT50 | 50×4.0 | 1.10 |
14-RT50 | 50×6.4 | 1.67 |
15-RT51 | 50.8×4.0 | 1.12 |
16-RT51 | 50.8×6.4 | 1.70 |
17-RT76 | 76×6.4 | 2.64 |
18-RT80 | 80×3.5 | 1.55 |
19-RT89 | 89×3.2 | 1.54 |
20-RT89 | 89×5.0 | 2.51 |
21-RT89 | 89×6.4 | 3.13 |
22-RT99 | 99×5.0 | 2.81 |
23-RT99 | 99×6.4 | 3.31 |
24-RT110 | 110×3.2 | 1.92 |
25-RT114 | 114×3.2 | 2.12 |
26-RT114 | 114×5.0 | 3.25 |
| Mechanical Properties | ASTM | UNITS | VALUE |
| Tensile Strength LW | D-638 | Mpa | 207 |
| Tensile Strength CW | D-638 | Mpa | 48 |
| Tensile Modulus LW | D-638 | Gpa | 17.2 |
| Tensile Modulus CW | D-638 | Gpa | 5.5 |
| Compressive Strength LW | D-695 | Mpa | 207 |
| Compressive Strength CW | D-695 | Mpa | 103 |
| Compressive Modulus LW | D-695 | Gpa | 17.2 |
| Compressive Modulus CW | D-695 | Gpa | 6.9 |
| Flexural Strength LW | D-790 | Mpa | 207 |
| Flexural Strength CW | D-790 | Mpa | 69 |
| Flexural Modulus LW | D-790 | Gpa | 12.4 |
| Flexural Modulus CW | D-790 | Gpa | 5.5 |
| Modulus of Elasticity E | Full Section | Gpa | 19.3 |
| Shear Modulus | / | Gpa | 3.1 |
| Short Beam Shear | D-2344 | Mpa | 31 |
| Punch Shear | D-256 | Mpa | 69 |
| Bearing Strength LW | D-953 | Mpa | 207 |
| Notched Izod Impact LW | D-256 | KJ/m | 1.33 |
| Notched Izod Impact LW | D-256 | KJ/m | 0.21 |
| Physical Properties | ASTM | UNITS | VALUE |
| Barcol Hardness | D-495 | / | 45 |
| Water Absorption 24 Hours | D-570 | % max | 0.45 |
| Density | D-792 | g/cm³ | 1.72-1.94 |
| Coefficient of Thermal Expansion | D-696 | 10-6in/in/℃ | 8 |
| Electrical Properties | ASTM | UNITS | VALUE |
| Arc Resistance LW | D-485 | Seconds | 120 |
| Dielectric Strength LW | D-149 | Kv/in | 35 |
| Dielectric Strength CW | D-149 | Volts/mil | 200 |
| Dielectric Strength PF | D-150 | @60hz | 5 |
| Flammability Properties | ASTM | UNITS | VALUE |
| Tunnel Test | E-84 | Flame Speed | 25 max |
| Flammability | D-635 | / | Nonburning |
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