904L (UNS N08904)stainless steel alloy is a super austenitic stainless steel that is designed for moderate to high corrosion resistance in a wide range of process environments. The combination of high chromium and nickel content, coupled with additions of molybdenum and copper, assure good to excellent corrosion resistance.
With its highly alloyed chemistry — 25% nickel and 4.5% molybdenum, 904L provides good chloride stress corrosion cracking resistance, pitting and general corrosion resistance superior to 316L and 317L molybdenum enhanced stainless steels.
Alloy 904L was originally developed to withstand environments containing dilute sulfuric acid. It also offers good resistance to other inorganic acids such as hot phosphoric acid as well as most organic acids.
Standard: ASTM, JIS, AISI, GB, DIN, EN
Materials:
Grade |
Grade |
Chemical Component % |
||||||||||
C |
Cr |
Ni |
Mn |
P |
S |
Mo |
Si |
Cu |
N |
Other |
||
904L |
N08904 |
≤0.02 |
19.0-23.0 |
23.0-28.0 |
4.0-5.0 |
≤0.045 |
≤0.035 |
|
≤1.00 |
|
0.1 |
Cu:1.0-2.0 |
Thickness:
Cold rolled: 0.1mm-6mm
Hot rolled: 3.0mm-180mm
Width: 1000/1219/1500/1800mm/2000mm
Length: as customer requirement
Surface:
2B, BA, No.1, No.4, HL, No.8, Mirror etc Mirror, No.4, HL NSP, Bead Blast, Vibration,
HL Gold, Mirror Gold, Vibration Gold NSP No.4 Copper NSP, Mirror Copper, Bead Copper,
HL Brass, Mirror Brass, Bead Brass, HL Black, Mirror Black, Bead Black NSP,
HL Bronze, Mirror Bronze, Vibration Bronze,Mirror Etched, HL Etched Copper, Mirror Black Etched, Mirror Etched Gold.
Application:
•Escalator, Elevator, Doors
•Furniture
•Production tools, Kitchen appliances, freezers, cold rooms
•Auto Parts
•Machinery and Packaging
•Equipment and Medical devicesa
•Transport system
Packing:
Contact: Aileen Gao
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