Instinox is Hastelloy flanges manufacture and distributor. Our competitive pricing on Hastelloy Flanges makes us one of the most economical distributors in the industry. For your convenience, we have established the brand marking and identification on all flanges manufactured. We also have a heat number trace-ability on all flanges which makes sure that is can be traced back to the mill at which it was procured.Through stringent in house checks for defects in quality and workmanship. Along with in house checking we also have a 3rd party inspection of all Hastelloy Flanges manufactured to guarantee that our product is only of the highest quality. Our products are tested under the highest of pressures to make sure that they have very high-pressure sustainability. All of our Hastelloy Flanges manufactured have a genuine and impeccable surface finish. At Instinox our Hastelloy Flanges go through not only government laboratory testing, but private laboratory testing as well.