Below is a list of 316 Stainless Steel Tubing manufacturers from Poway, California. 316 stainless steel tubes are hollow, cylindrical machine and piping components made of a specific grade of steel alloy and used most commonly to transport fluids and gases. Often used in industrial, commercial and even residential settings, 316 stainless steel possesses the high tensile strength and durability that virtually all steels are known for, as well as having excellent forming and welding characteristics. Tubes made of this material can be used in high heat applications as its melting point is 1,350 to 1,400 degrees C.