Fibreglass Reinforced Plastic Bars 4 mm

Table of equal-strength replacement of metal reinforcing bars of diameter of 6 mm with Glass-Fibre Reinforced Plastic Bars of diameter of 4 mm
Metal reinforcing bars
А-III (А400С)
GOST 5781-82
Fibreglass Reinforced Plastic
Bars
TU 2292-001-11733958-2013
Material Steel 35GS, 25G2S etc. Fibreglass with a diameter of 13–16 microns bound by a polymer
D, mm 6 4
Breaking force (rated), N 10 188 10 800
Cross-section area, sq. mm 28,3 13,5
Weight per 1 lineal meter, kg 0,22 0,02
Quantity of lineal meters in 1 t 4 545 50 000
Tensile strength, MPa 390 860
Modulus of elasticity, MPa 200 000 55 000
Elongation, % 25 2,2
Thermal conductivity coefficient, W/(mºС) 46 0,35
Mode of behaviour under load (dependence "tension-deformation") Curved line with yield strength under load Straight line with elastic-linear dependence under load up to destruction
Linear expansion coefficient, αх10-5/ºС 13 - 15 9 - 12
Density, t/m³ 7 1,9
Thermal conductivity Thermally-conductive (56 W/m2) Thermally non-conductive (0.48 W/m2)
Electrical conductivity Electrically-conductive Dielectric