Application Notes for TP904L
The processing Mechanical properties
1.1 and general stainless steel welding performance as, 90 4 L can use a variety of welding welding. The most common way for manual arc welding or inert gas welding, metal welding rod or wire based on the composition and purity of the base metal higher molybdenum content requirements [...]

Material description:  904L  (UNS N08904, DIN1.4539, SUS890L)

904L super austenitic stainless steel is a low-carbon high-nickel, molybdenum austenitic stainless acid-proof steel, with a very good activation – passivation conversion capability, excellent corrosion resistance, in non-oxidizing acid such as sulfuric acid, acetic acid, formic acid, phosphoric acid has good corrosion resistance in neutral chloride ion [...]