Rebar

Reinforcing Steel Bar

High Yield Reinforcing bar BS4449:2005 in diameters 10mm to 40mm. All fabricated rebar conforms to BS8666:2005. 8mm and 50mm are non preferred sizes that may be available on special order.

Reinforcement Bar Technical Data

Properties of high yield bars

Size (mm)	10	12	16	20	25	32	40
Dim (max O/A mm)	12	14	19	23	29	37	46
Mass (kg per m)	0.616	0.888	1.579	2.466	3.854	6.313	9.864
Metres per tonne	1623	1126	633	405	259	158	101

Radius Bending

Reinforcement to be formed to a radius exceeding that specified in the table below shall be supplied straight. The required curvature may be obtained during placing. For shapes with straight and curved lengths (e.g. shape codes 13 and 33) the largest practical radius for the production of a continuous curve is 200mm, and for larger radii the curve may be produced by a series of short straight sections.

Size (mm)	10	12	16	20	25	32	40
Radius	3.50	4.25	7.50	14.00	30.00	43.00	58.00

Cutting and Bending Tolerances

The tolerances for cutting and/or bending dimensions shall be in accordance with the table below and shall be taken into account when completing the schedule.

Cutting and Bending Tolerances (mm)
Straight lengths (including reinforcement for subsequent bending)		+25-25
Bending	<1000mm	+5-5
	>1000mm to <2000mm	+5-10
	>2000mm	+5-25

Table of minimum dimensions

Nominal Size	Minimum radius of scheduling	Minimum diameter for bending former	Minimum end projection (P)
			General (min. 5d straight)	Links where bends <150° (min. 10d straight)
6*	12	24	110	110
8*	16	32	115	115
10	20	40	120	130
12	24	48	125	160
16	32	64	130	210
20	70	140	190	290
25	87	175	240	365
32	112	224	305	465
40	140	280	380	580
50*	175	350	475	725
*6mm, 8mm & 50mm are non-preferred sizes available to special order

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