Indian Institute of Engineering Science and Technology - West Bengal
10686903 supply of 1. preparation and supply of hardened and tempered en31 steel disc ( diameter: 160 mm and thickness: 8 mm ) to be used as counter body in the ducom tr20le pin on disc machine. minimum hardness is hrc 60 and maximum surface roughness ( ra ) is 0.2 μm. minimum order quantity is 8 nos. 2. preparation and supply of pin specimen holders for ducom tr20le pin on disc machine. two pieces v grove specimen holder for 4 mm diameter cylindrical pin. holder should be made of hardened and tempered en31 steel ( hardness around hrc 50 ) . sample copy of the specimen holder will be provided. minimum order quantity is 2 nos. 3. preparation and supply of cylindrical wear pin specimens ( diameter: 4 mm and length: 40 mm ) from hot rolled steel plate. the hot rolled steel plates will be supplied. minimum order quantity is 30 nos....