Specifications the advanced casting facility, we could basically eliminate the porosity, blisters and other casting defects. Heat treatment fixture: such as trays and grids, baskets, chain guides, fans, cast link belts Application: for heat treatment furnaces in commercial heat treating industry Process: precision casting/silica sol investment cast method Material: high nickel and high chrome heat resistant alloy Standard: ASTM (like A297 A208), DIN, BS Quality control: Chemical analysis by spectrometer Measurement inspection Mechanical properties testing, yield point, tensile strength, elongation Non destructive inspection (NDT): ultrasonic, X-ray, dye penetrant test, magnetic particle inspection, eddy current testing 1B material certificates