Jan 5, 20221 min read

904L

ASTM StandardsBarButt Weld FittingsPipe, Welded & SeamlessTube, WeldedTube, SeamlessPlateB649B366B677- smls; B673 – weldedB674B677B625

Minimum Physical PropertiesTensile StrengthYield StrengthElongation71 KSI Min.31 KSI Min.35% Min.

Chemical Composition (wt%)CMnPSSiNiCrFeMo0.02 Max.2.00 Max0.045 Max.0.035 Max.1.00 Max.23.0 – 28.019.0 – 23.0Balance4.0 – 5.0

Properties

N08904 (904L) is a high alloy austenitic product intended for use under severely corrosive conditions. It offers good resistance to:

* Pitting and crevice corrosion * Intergranular corrosion * Stress corrosion cracking * General corrosion

Applications

904L is used in the chemical industry to process many chemicals. Some examples are: Acetic acid, Acetylene, Acrylates, Acrylonitrile, Aluminum sulfate, Ammonium phosphate, Ammonium sulfate, Battery acid, Benzene, Butyl acetate, Caprolactum, Cellophane, Citric acid, Nitrophosphate, Oxalic acid, Superphosphate, Tall oil, Tartaric acid, Uranium oxide and Zinc sulfate.