we are manufacturing transformers. i am using 10mm 4.8 strength nuts and bolts to seal the cover plate and transformer tank flange.6mm thick cork sheet is used between cover plate and tank flange. after that we pressurized this by using transformer oil.the pressure applied in cover plate and...
please send me required torque value for M10 bolts. strength class is 4.8. i am using 60 bolts to seal 0.1436 m2 area.
please send me any formula for this