tender for supply of various spares of wagon tippler, apron feeder, crusher and roller screen , suspension arm for ring granulator material of construction:- carbon steel of grade 45c8 or equivalent like c45/aisi-1045 rolled steel only mechanical properties tensile strength -620 mpa min. yield strength -320 mpa min, percentage elongation -15%min hardness-175 bhn min. as per is 2004:1991, , cs casting breaker plate with following specification- 1)carbon-1.05 to 1.35%, 2)manganese-11.50 to 14.00%, 3)silicon-1% max, 4)phosphorous-0.08.%max, 5)sulphur-0.025%max, 6)chromium-1.50 to 2.5%, hardness-188 to 229bhn as per is 276 iii, tolerance as per is 4897 class ii , suspension bar for rotor assy. of crusher size - 57 dia x 2815 lg material - normalized en -19 bar , bearing housing (closed end)for roller screen material-en-9 , bearing housing (open end)for roller screen material-en-9 , seal for roller screen material-en-9 , seal of drive side for roller screen material-en-9 , apron pan line plate material -sailhard , line plate for skirt no. 46 thickness: 16 mm material -sailhard