Whether for chemical plants, food processing machinery or in plant engineering – GX2CrNi19-11 (1.4309, comparable to 1.4301 in terms of chemical composition) is a reliable material that withstands corrosion and is characterised by its excellent weldability. Discover the benefits of this versatile material for your project.
Material GX2CrNi19-11 (1.4309 / 1.4301) SAE/AISI 304L
High purity and low corrosion
Material designations and standards
Material number:
1.4309
Standard designation (EN):
GX2CrNi19-11
Standards:
EN 10283 (Stainless cast steels)
AISI/SAE: 304L
According to ASTN CF3
Similar materials:
1.4306 (X2CrNi19-11, not as cast steel)
Specifications and details
The advantages of GX2CrNi19-11 (1.4309)
Areas of application
GX2CrNi19-11 Properties at a Glance
Distinctive feature
GX2CrNi19-11 has very good corrosion resistance, particularly in environments containing chlorides.
Versatility
Thanks to its smooth surface and corrosion resistance, this steel is well suited to applications with high hygiene standards.
Resilience
GX2CrNi19-11 is resistant to atmospheric corrosion, fresh and salt water corrosion, and organic acids.
Chemical composition and mechanical properties.
C (carbon):
≤ 0.03 %
Si (silicon):
≤ 1.50 %
Mn (Manganese):
≤ 1.50 %
P (phosphorus):
≤ 0.04 %
S (sulphur):
≤ 0.03 %
Cr (chromium):
18.0–20.0 %
Ni (nickel):
8.0–12.0 %
Tensile strength (Rm):
≥ 400 MPa
Yield strength (Rp0.2):
≥ 180 MPa
Elongation at break (A5):
≥ 30 %
Notched impact strength (ISO-V, room temperature):
≥ 100 years
Hardness (HB):
≤ 215 HB
Solution annealing:
1,050–1,100 °C, followed by rapid cooling (e.g. in water)
Stress-relief annealing:
200–300 °C to reduce internal stresses
Why GX2CrNi19-11?
Cost-effectiveness
GX5CrNi19-11 offers good value for money; it is relatively inexpensive and corrosion-resistant.
Processing
GX2CrNi19-11 is easy to form both cold and hot, machines well and is highly weldable without the need for subsequent heat treatment.
Areas of application
The steel is used, for example, in the food industry, the chemical industry, the pharmaceutical industry and the construction sector.