Rebar Properties

Canadian Codes

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Rebar Properties

b = mm n = mm d_s = Rebar Spacing For Beam and Column d_b = c = Agg. Size = mm mm mm ≥ s = [s] = mm mm

Rebar PropertiesUS Rebars

Designation	Diameter (in.)	Diameter (mm)	Area (mm²)
#3	0.375	10	71
#4	0.5	13	127
#5	0.625	16	198
#6	0.75	19	285
#7	0.875	22	388
#8	1	25	506
#9	1.128	29	644
#10	1.27	32	817
#11	1.41	36	1007
#14	1.693	43	1452
#18	2.257	57	2580

Areas, Weights, and Dimensions of Reinforced Rebars

Designation No.	Grades	Nominal Mass(kg/m)	Nominal Dia.(mm)	Nominal Area (mm²)
10	300, 400	0.785	11.3	100
15	300, 400	1.570	16.0	200
20	400, 500	2.355	19.5	300
25	400, 500	3.925	25.2	500
30	400, 500	5.495	29.9	700
35	400, 500	7.850	35.7	1000
45	400, 500	11.775	43.7	1500
55	400, 500	19.625	56.4	2500

Mechanics Properties (CSA G30.18)

Grade	300R	400R	500R	400W
Min.Tensile Strength (MPa)	405	540	675	540
Min.Yield Strength (MPa)	300	400	500	400

Basic Rebar Properties

Density	7,850	kg / m³
Unit Weight	77	kN / m³
Elastic Modulus	200,000	MPa
Shear Modulus	77,000	MPa
Thermal Coefficient	11.7 x 10^-6	/ ^oC
Poisson Ratio	0.3

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