Fiberglass Rebar Properties
No Susceptibility to Corrosion |
2x Tensile Strength |
1/4 the WEIGHT of Steel |
40 GPa and 60 GPa Modulus of Elasticity |
Electrical and Thermal Insulator |
Excellent Bond Strength |
Fiberglass Rebar Comparisons
GFRP vs. Steel |
GFRP vs. Stainless |
GFRP vs. Membranes |
GFRP vs. Galvinized |
GFRP vs. ECR |
GFRP vs. Black |
Fiberglass Product Shapes

Continous Spiral Shaped Stirrup

Continous Square or Rectangular Shape Stirrup

Fiberglass Rebar Columns and Piling Cages

Single Spiral Shaped Stirrup

U Shape Bend
Fiberglass Rebar Specifications
Rebar 40 GPa Straight Bars
Properties | Unit | #3-40 | #4-40 | #5-40 | #6-40 | #7-40 | #8-40 |
---|---|---|---|---|---|---|---|
Average Ultimate Tensile Strength
(ASTM D7205 / CAN/CSA-S806) |
Mpa
ksi |
1124.0
163.0 |
948.6
137.6 |
1017.2
147.5 |
997.7
144.7 |
947.3
137.4 |
921.8
133.7 |
Minimum Guaranteed Ultimate Tensile Strength
(ASTM D7205 / CAN/CSA-S806) |
MPa
ksi |
983.8
142.7 |
845.4
122.6 |
921.0
133.6 |
884.3
128.3 |
878.4
127.4 |
818.6
118.7 |
Minimum Guaranteed Ultimate Tensile Capacity
(ASTM D7205 / CAN/CSA-S806) |
kN
lbf |
69.8
15702 |
109.1
24517 |
183.3
41202 |
251.1
56457 |
339.9
76420 |
417.5
93849 |
Minimum Modulus of Elasticity
(ASTM D7205 / CAN/CSA-S806) |
Gpa
ksi |
49.1
7115 |
45.6
6608 |
48.8
7079 |
51.0
7395 |
49.6
7195 |
52.0
7547 |
Ultimate Elongation | % | 2.3 | 2.1 | 2.1 | 2.0 | 1.9 | 1.8 |
Average Bond Strength
(ACI 440.3R B3) |
MPa
ksi |
17.4
2.5 |
12.7
1.8 |
15.1
2.2 |
14.4
2.1 |
13.6
2.0 |
13.5
2.0 |
Transverse Shear Strength
(ACI 440.3R B4) |
Mpa
ksi |
219.3
31.8 |
209.7
30.4 |
202.7
29.4 |
190.3
27.6 |
199.2
28.9 |
183.5
26.6 |
Transverse Shear Capacity
(ACI 440.3R B4) |
kN
lbf |
31.1
7001 |
54.1
12165 |
80.7
18136 |
108.1
24296 |
154.2
34658 |
187.2
42079 |
Longditudinal Thermal Expansion Coefficient
(ASTM E831) |
10-6/°C
10-6/°F |
7.9
4.4 |
8.6
4.8 |
6.7
3.7 |
7.3
4.0 |
8.9
5.0 |
8.7
4.8 |
Transverse Thermal Expansion Coefficient
(ASTM E831) |
10-6/°C
10-6/°F |
21.7
12.1 |
24.2
13.4 |
25.4
14.1 |
23.6
13.1 |
24.5
13.6 |
25.2
14.0 |
Water Absorption (ASTM D570) | % | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.3 |
Linear Weight | g/m
lb/ft |
150
0.10 |
259
0.17 |
433
0.29 |
611
0.41 |
816
0.55 |
1105
0.74 |
Effective Cross Sectional Area (including coating)
(CSA S807 Annex A) |
mm²
inch² |
72
0.111 |
123
0.190 |
203
0.315 |
290
0.450 |
399
0.618 |
530
0.821 |
Nominal Cross Sectional Area
(CSA S807) |
mm²
inch² |
71
0.110 |
129
0.200 |
199
0.308 |
284
0.440 |
387
0.600 |
510
0.791 |
Effective Diameter (including coating)
(CSA S807 Annex A) |
mm
inch |
9.6
0.377 |
12.5
0.492 |
16.1
0.633 |
19.2
0.757 |
22.5
0.887 |
26.0
1.022 |
Nominal Diameter
(CSA S807) |
mm
inch |
10
3/8 |
13
1/2 |
15
5/8 |
20
3/4 |
22
7/8 |
25
1 |
Rebar 60 GPa Straight Bars
Properties | Unit | #3-60 | #4-60 | #5-60 | #6-60 | #7-60 | #8-60 |
---|---|---|---|---|---|---|---|
Nominal Diameter
(CSA S807) |
mm
inch |
10
3/8 |
13
1/2 |
15
5/8 |
20
3/4 |
22
7/8 |
25
1 |
Minimum Guaranteed Ultimate Tensile Strength
(ASTM D7205 / CAN/CSA-S806) |
MPa
ksi |
1200
174 |
1175
170 |
1150
167 |
1150
167 |
1100
160 |
1000
145 |
Minimum Guaranteed Ultimate Tensile Capacity
(ASTM D7205 / CAN/CSA-S806) |
kN
lbf |
85
19140 |
152
34000 |
229
51436 |
327
73480 |
426
96000 |
510
114695 |
Minimum Modulus of Elasticity
(ASTM D7205 / CAN/CSA-S806) |
Gpa
ksi |
63.7
9242 |
61.1
8868 |
62.6
9078 |
62.7
9091 |
61.2
8878 |
61.7
8944 |
Ultimate Elongation | % | 2.2 | 2.1 | 2.1 | 2.0 | 1.9 | 1.9 |
Average Bond Strength
(ACI 440.3R B3) |
MPa
ksi |
13.7
2.0 |
12.7
1.8 |
14.6
2.1 |
14.1
2.1 |
13.6
2.0 |
13.5
2.0 |
Transverse Shear Strength
(ACI 440.3R B4) |
Mpa
ksi |
264.3
38.3 |
235.1
34.1 |
249.9
36.2 |
234.9
34.1 |
230.1
33.4 |
226.7
32.9 |
Transverse Shear Capacity
(ACI 440.3R B4) |
kN
lbf |
37.5
8435 |
60.7
13639 |
99.5
22357 |
133.5
30003 |
178.1
40043 |
231.2
51982 |
Longditudinal Thermal Expansion Coefficient
(ASTM E831) |
10-6/°C
10-6/°F |
5.9
3.3 |
6.0
3.3 |
7.0
3.9 |
7.8
4.4 |
6.4
3.6 |
7.5
4.1 |
Transverse Thermal Expansion Coefficient
(ASTM E831) |
10-6/°C
10-6/°F |
21.2
11.8 |
20.1
11.2 |
22.8
12.7 |
23.3
12.9 |
25.9
14.4 |
25.6
14.2 |
Water Absorption (ASTM D570) | % | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.3 |
Linear Weight | g/m
lb/ft |
195
0.13 |
339
0.23 |
526
0.35 |
742
0.50 |
990
0.67 |
1309
0.88 |
Effective Cross-Sectional Area (including coating)
(CSA S807 Annex A) |
mm²
inch² |
91
0.141 |
152
0.236 |
235
0.364 |
335
0.519 |
435
0.674 |
574
0.890 |
Nominal Cross-Sectional Area
(CSA S807) |
mm²
inch² |
71
0.110 |
129
0.200 |
199
0.308 |
284
0.440 |
387
0.600 |
510
0.791 |
Effective Diameter (including coating)
(CSA S807 Annex A) |
mm
inch |
10.8
0.424 |
13.9
0.548 |
17.3
0.681 |
20.7
0.813 |
23.5
0.927 |
27.0
1.065 |
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