1.4539 Datasheet
X1NiCrMoCu25-20-5
stainless steel; corrosion resistant steel; austenite
Aerospace, Energy & environmental technology, Petrochemicals
The material 1.4539, also known as X1NiCrMoCu25-20-5, is a high-quality austenitic stainless steel, with excellent properties and versatile usability. The material 1.4539 offers excellent resistance to corrosion and a variety of aggressive media, including acids, chlorides and salt solutions. This makes it ideal for use in maritime environments, chemical plants and the petrochemical industry.
Composition
C
Si
Mn
P
S
Cr
Cu
Mo
N
Ni
min.
-
-
-
-
-
19,00
1,20
4,00
-
24,0
max.
0,02
0,70
2,00
0,030
0,010
21,00
2,00
5,00
0,15
26,0
C
max.
0,02
Si
max.
0,70
Mn
max.
2,00
P
max.
0,030
S
max.
0,010
Cr
min.
19,00
max.
21,00
Cu
min.
1,20
max.
2,00
Mo
min.
4,00
max.
5,00
N
max.
0,15
Ni
min.
24,0
max.
26,0
Standards and designations
Material group
Stainless steel
AISI/SAE
904L
JIS
SUS890L
UNS
N08904
Special designations
Super-Austenit
Fields of application
Chemical industry
Petrochemical
Marine and offshore applications
Energy and environmental technology
Food processing
Attributes
More properties
Very good corrosion resistance
High strength
Resistance to erosion and abrasion
Good weldability
Delivery forms
Angle/profile
Cut to size/custom made
Flat
Hexagon
Profile tube
Round
Round tube/bushing
Sheets/sheet blanks/plates
Slit strip
Square
