Stud bolts with the following bolts:- ASTM A479 UNS S32750 for SDX grades (Down to -46 Deg C) and ASTM B166 UNS N06600 for Inconel 625 grades. (Down to -100 Deg C). We require impact tests on the bolts at the following Temperatures . ASTM A479 UNS S32750 -50 Deg C ASTM B166 UNS N06600 -110 Deg C The required impact values will be advised as will additional mechanical properties required. Please provide a quote for the supply of the above studs . Quantities in attached excel file. Please include nuts and washers in your quote.