904L


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