Most of the titanium cylinder/aluminum frame S&W's have titanium pivot pins in the frame. What material are the pivot pins in the 442 made of? I have heard they are aluminum. It seems incomprehensible that S&W would use aluminum for the pivot pins, yet the ones on mine do not attract a magnet. Now some types of stainless steel also do not attract a magnet. Does anyone here know what type of metal is used for the 442 pivot pins? Durability issues could potentially arise when a titanium cylinder is installed if the pins are aluminum as the lighter weight would increase recoil stress on the pivot pins. The factory titanium pins are used on scandium/aluminum models with titanium cylinders for increased durability. But these are chambered in .357. The 442 in .38 special may not need the titanium pins. Thoughts?