14 mm Reinforcing Bar - TCVN (Vietnam)

14 mm is a TCVN (Vietnam) reinforcing bar to TCVN 1651-2 / TCVN 5574. Its nominal diameter is 14 mm, giving a cross-section area As of 153.9 mm² and a mass of 1.208 kg/m. It is supplied in grade CB300-V / CB400-V / CB500-V with characteristic yield f_yk = 400 MPa. The tables below give the total steel area for 1-10 bars and the area per metre of width at common bar spacings.

Area As: 153.9 mm²
Diameter: 14 mm
Mass: 1.208 kg/m
f_yk: 400 MPa

Bar properties

d	Nominal diameter	14 mm
As	Cross-section area	153.9 mm²
m	Mass per metre	1.208 kg/m
u	Nominal perimeter	44 mm
f_yk	Characteristic yield	400 MPa

Total area for n bars (As = n × 153.9 mm²)

Bars	1	2	3	4	5	6	7	8	9	10
As (mm²)	154	308	462	616	770	923	1,077	1,231	1,385	1,539

Area per metre at spacing (As/m = 1000/s × 153.9 mm²)

s (mm)	75	100	125	150	175	200	250	300
As/m (mm²/m)	2,052	1,539	1,231	1,026	879	770	616	513

Source: TCVN 1651-2 / TCVN 5574. Area = π/4 × d² for metric bars; ASTM areas are the standard's tabulated nominal values. Grades available: CB300-V, CB400-V, CB500-V.

Other TCVN (Vietnam) bar sizes

6 mm 8 mm 10 mm 12 mm 16 mm 18 mm 20 mm 22 mm 25 mm 28 mm 32 mm 40 mm

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