You should be requiring your supplier to provide copies of the material certification reports from the mill.
We require all of our vendors to provide us this information when they ship material to us.
Does anyone know of a heat transfer fluid that will not vaporize at a temperature of 455 celcius while under a pressure of 3000 psig? I can get to 371 with dow corning 710 oil but this still isnt what I need, also the viscocity is much too high at lower temperatures, I suspect the only thing...