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.
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 |