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.