Thursday 01 December | 4:20PM Welcome to Griggs Steel Material Certification Program In order to utilize Griggs Steel's online services, you must be logged in. If you are a first time time user you will need to click the register button on the left and register an account. It only takes a moment. Once registered you will use your email address as your username. You can find your mill heat number(s) on you packing list. The heat number(s) will either be pre-printed or hand written in to the right of the product description. Username : Password : For immediate assistance please contact Griggs Steel at 800-521-1410.