Diameter mm	8 *1	10	12	16	20	25	32	40 *2
Area mm	50.3	78.5	113	201	314	491	804	1260
Perimeter mm	25.1	31.4	37.7	50.4	62.9	78.6	100.6	125.7
Mass kg/m	0.395	0.617	0.888	1.58	2.47	3.85	6.31	9.86
1. Normal stock item, in mild steel garde only. 2. Not a normal stock item. Non-stock items only availlable subject to special order, possible delay and additional cost.
Stock lengths	9m - 13m in 1 meter increments. Longer lengths are available by special arrangement, subject to possible delay and additional cost.
Transportation	For convenience in transporting bars, dimensions should not exceed the following (See diagram here below):.