904L is a high-alloyed, low-carbon austenitic stainless steel grade, and Cu is also added to the alloy of 904L stainless steel pipe. SS 904L pipe has very high resistance to strong reducing acids such as sulfuric acid, and is specially designed for environments with harsh corrosive conditions.

Standard: ASTM A312 / ASME SA312、ASTM A213/ASME SA213、ASTM B677 / ASME SB677
Size: 1/2”- 48”
Thickness: 0.5mm-30mm
Equivalent: UNS N08904, WNR.1.4539, AISI 904L