Welding Rod Oven. Dynaflux welding rod ovens are portable, stainless-steel construction, thermostatic temperature-controlled storage oven for welding rod electrodes or welding wire. Prevents moisture contamination. Proper electrode storage aids in preventing porosity, hydrogen embrittlement and cracking especially with low hydrogen and stainless-steel electrodes. Dynaflux Welding Rod Ovens are Made in the USA.