supply of various spares of heavy equipment , spares of heavy machinary , suspension arm for ring granulator with following specification:- 1) carbon steel of grade 45c8 2) c-0.40 to 0.50% 3) mn-0.60 to 0.90% 4)si -0.15 to 0.35% 5) p-0.04% max. 6) s-0.04% max. 7) al-0.02 to 0.05% mechanical properties 8) tensile strength -620 mpa min. 9) yield strength -320 mpa min, 10) 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 2815lg material – en-19 , bearing housing (closed end) for roller screen material – en-9 , bearing housing (open end) for roller screen material – en -9 , roller of return roller assembly for apron feeder id-60 mm, od-120 mm, length-120 mm material – en-8 , roller shaft of return roller assembly for apron feeder 40 dia x 244 lg. material – en -8 , top stop split bushes for wagon tippler tp0223/3 (02 set is required, 01 set= 02 no. of half split bush