Steel composition - 1.4438 - X 2 Cr Ni Mo 18-15-4 -

Steel Composition X 2 Cr Ni Mo 18-15-4 ( 1.4438 )()

France
Steel number n° 66
Catégory:
Numerical EN 10027/AFNOR symbolic: X 2 Cr Ni Mo 18-15-4
Numeric EN 10027/AFNOR numerical: 1.4438
AISI designation:
Information: Old designation:
Applications examples and others informations:
Conformation No informations about forming.
Weldability No informations about weldability.
Resistance corrosion No informations about corrosion resistance.
See this steel Schaeffler Diagram
Chemical composition element percentage
Carbon entre 0 et 0.03 % Others steels:

Steel 1.4439 - X 2 Cr Ni Mo N 17 13 5
Steel 1.4406 - X 2 Cr Ni Mo N 17-11-2
Steel 1.4406 - X 2 Cr Ni Mo N 18 12
Steel 1.4429 - X 2 Cr Ni Mo N 18 13
Steel 1.4462 - X 2 Cr Ni Mo N 22 5

Chromium entre 17.5 et 19.5 %
Nickel entre 13 et 16 %
Molybdenum entre 3 et 4 %
Silicium entre 0 et 1 %
Manganese entre 0 et 2 %
No Vanadium
No Tungsten
Phosphorus:0.045%
Sulfurus:0.015%
Others elements: N env. 0.11
Note: Verify that there is no mistake in this document.