Stainless Steel filler metal comes in spool, cut length, and stick electrodes which are used to joint stainless steel such as; Angle, channel, flat plate, and round stock. There are a variety of Stainless Steel filler metals, the most common being 308, 309, 316 alloys. 308 and 316 Stainless steel are used to join stainless steel base material, 309 can be used to weld stainless to dissimilar metals such as mild steel and cast iron. Please take a look at the full line of high quality Stainless Steel Filler Metal below.