Standard Draw Batch (SDB) OvenThe standard draw batch (SDB) oven features heavy-duty construction that includes a plate steel outer shell, a reinforced steel plate oven front, a lined inner shell and exterior structural reinforcements as required. There are 40 SDB oven models offered in 10 standard sizes and four temperature ranges. Standard maximum continuous temperature ratings are 800°F (425°C), 1000°F (540°C), 1250°F (675°C) and 1400°F (760°C). Applications include tempering, solution treating, aging, annealing, normalizing and stress relieving. Many different hearth designs can be supplied with the SDB oven line. We provide a pier-rail hearth as a standard. Other optional hearth designs include full-width rollers, split roller and wheel or roller rail (with or without chain guides). Hearths are available in carbon steel, stainless steel or alloy, depending on the temperature and your needs. SDB ovens are designed to accept the most common heat-treat oven baskets and load sizes. They can be supplied with quench tanks, powered or non-powered load tables, and traveling loaders.