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 Inventory Spotlight: 904L

Type Seamless & Welded Pipe Butt Weld Fittings Flanges & Pressure Fittings
Sizes 1/4" thru 16" 1/2" thru 12" All descriptions
Schedules Sch 10, 40, 80, 160, & XXH Sch 10, 40, 80, 160, & XXH  
ASTM Standards
Bar Butt Weld Fittings Pipe, Welded & Seamless Tube, Welded Tube, Seamless Plate
B649 B366 B677- smls; B673 - welded B674 B677 B625
Minimum Physical Properties
Tensile Strength Yield Strength Elongation
71 KSI Min. 31 KSI Min. 35% Min.
Chemical Composition (wt%)
C Mn P S Si Ni Cr Fe Mo
0.02 Max. 2.00 Max 0.045 Max. 0.035 Max. 1.00 Max. 23.0 - 28.0 19.0 - 23.0 Balance 4.0 - 5.0

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


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.


310S 2205 347/347L 904L
 Add: 1202-1203, Fortune 108 South Plaza, No.1839 Qixin Rd., Minghang District Shanghai 201101, P.R.China     Tel :+86 21 60483098  Fax: +86 21 50479692  E-mail: