This is a very common questions and it varies according to the environment the equipment is in. First, is to wash all the Stainless Steel with soapy water to remove excess oils on the finish due to the manufacturing process.
The perfectly grilled steak all starts with a great cut of meat. Look for a nice marbled rib-eye. Marbling is where the flavor comes from. It also ensures that your steak stays juicy during the grilling process.