Stainless steel. Metric coarse thread. Alternative grades to 304 should be considered in certain environments and applications, including marine conditions. Environments with temperatures above 50-60oC and with chlorides present, and applications requiring heavy section welding, substantial machining, high strength or hardness, or strip with very high cold-rolled strength. Used for holloware, architecture, commercial and domestic kitchen construction, sinks, and plant for chemical, petrochemical, mineral processing and other industries. SPECIFICATION: