New Zealand Bar Diameters

Deformed Bar - Grade 300E

Bar Size	Actual Diameter (mm)	Nominal Diameter (mm)	Area (mm2)	Weight (kg/m)
D10	12	10	79	0.617
D12	14	12	113	0.888
D16	18	16	201	1.578
D20	23	20	314	2.466
D25	28	25	491	3.853
D32	36	32	804	6.313
D40	45	40	1257	9.864

 

Deformed Bar - Grade 500E

Bar Size	Actual Diameter (mm)	Nominal Diameter (mm)	Area (mm2)	Weight (kg/m)
H10	12	10	79	0.617
H12	14	12	113	0.888
H16	18	16	201	1.578
H20	23	20	314	2.466
H25	28	25	491	3.853
H32	36	32	804	6.313
H40	45	40	1257	9.864
RB12	14	12	113	0.888
RB16	18	16	201	1.578
RB20	23	20	314	2.466
RB25	28	25	491	3.853
RB32	36	32	804	6.313

 

Plain Bar - Grade 300E

Bar Size	Actual Diameter (mm)	Nominal Diameter (mm)	Area (mm2)	Weight (kg/m)
R6	6	6	28.27	0.222
R8	8	8	50	0.395
R10	10	10	88	0.617
R12	12	12	113	0.888
R16	16	16	201	1.578
R20	20	20	314	2.466
R25	25	25	491	3.853

 

Plain Bar - Grade 500E

Bar Size	Actual Diameter (mm)	Nominal Diameter (mm)	Area (mm2)	Weight (kg/m)
HR10	10	10	87.54	0.617
HR12	12	12	113	0.888
HR16	16	16	201	1.578
HR20	20	20	314	2.466