Low Carbon Wire rod Quality according to TIS 348-2540 JIS G 3503, JIS G 3505, JIS G 3507. GRADES AVAILABLE : 1-SWRM (for General Use): 6, 8, 10, 12, 15, 17, 20, 22 2-Carbon Steel Wire Rods for Cold Heading and Cold Forging (SWRCH): 6A, 8A, 10A, 12A, 15A,16A,18A, 19A, 20A, 22A 3- Wire Rods for Core Wire of Covered Electrode: SWRY11 Sizes in (mm): 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10 , 11, 12, 13, 14, 15, 16