Steel composition - 1.2777 - 21 Mo Ni 35-12 -

Steel Composition 21 Mo Ni 35-12 ( 1.2777 )()

France
Steel number n° 583
Catégory:
Numerical EN 10027/AFNOR symbolic: 21 Mo Ni 35-12
Numeric EN 10027/AFNOR numerical: 1.2777
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 0.18 et 0.23 % Others steels:

Steel 1.2888 - X 20 Co Cr W Mo 10-9
Steel 1.4057 - X 22 Cr Ni 17
Steel - - 20 CDV 5.07
Steel - - 21 B 3
Steel 1.2162 - 21 Mn Cr 5

No Chromium
Nickel entre 2.9 et 3.2 %
Molybdenum entre 3.1 et 3.6 %
Silicium entre 0.2 et 0.35 %
Manganese entre 0.6 et 0.8 %
Vanadium entre 0 et 0.05 %
No Tungsten
Phosphorus:0.025%
Sulfurus:0.025%
Others elements: -
Note: Verify that there is no mistake in this document.