The kind of stainless steel known as grade 904L does not include any stabilising agents and is not magnetic. A highly alloyed grade of stainless steel is another name for this specific kind of stainless steel. Because copper was added to the alloy, fasteners made of grade 904l stainless steel are more resistant to powerful reducing acids like sulfuric acid as compared to those made of grade 316 stainless steel. Steel that has been submerged in sulfuric acid for a protracted period of time will deteriorate very rapidly. The DIN 1.4539 Threaded Rod has several features, including stress-related corrosion cracking and crevice corrosion, due to the larger quantity of nickel that is present in its chemical composition.
Because of the method in which it is fabricated, this alloy is resistant to deterioration caused by reducing agents in settings that are either extremely harsh or extremely mild. Following the completion of the cold working process, alloy UB6 Studs are frequently subjected to a treatment with a solution in order to increase their resistance to the stress-related corrosion cracking that might occur in severe conditions.