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TCVN 1651 / TCVN 5574 reinforcement - Bar Sizes

Vietnamese ribbed reinforcing bar (TCVN 1651-2), grades CB300-V/CB400-V/CB500-V, used with TCVN 5574. Diameters 6-40 mm.

Grades: CB240-T (f_yk 240, plain), CB300-V (300), CB400-V (400), CB500-V (500). CB400-V is the default.

Bar	Diameter	Area As	Mass
6 mm	6 mm	28.3 mm²	0.222 kg/m
8 mm	8 mm	50.3 mm²	0.395 kg/m
10 mm	10 mm	78.5 mm²	0.617 kg/m
12 mm	12 mm	113.1 mm²	0.888 kg/m
14 mm	14 mm	153.9 mm²	1.208 kg/m
16 mm	16 mm	201.1 mm²	1.578 kg/m
18 mm	18 mm	254.5 mm²	1.998 kg/m
20 mm	20 mm	314.2 mm²	2.466 kg/m
22 mm	22 mm	380.1 mm²	2.984 kg/m
25 mm	25 mm	490.9 mm²	3.853 kg/m
28 mm	28 mm	615.8 mm²	4.834 kg/m
32 mm	32 mm	804.2 mm²	6.313 kg/m
40 mm	40 mm	1256.6 mm²	9.864 kg/m

Other rebar standards

EN 10080 / Eurocode reinforcement ASTM A615 / A706 reinforcement BS 4449 reinforcement