hat
4. 303 tiyo endistriyèl en fe: pa pandan l ajoute yon ti kantite souf, Fosfò pou fè l' plis pase 304 pwosesis rekòt la, lòt pwopwiyete yo sanble 304 moun.
eng
4. 303 stainless steel industrial pipe: by adding a small amount of sulfur, phosphorus to make it more than 304 of the cutting process, the other properties are similar to the 304.