1.4112
EN/DIN
X90CrMoV18
AISI/SAE/ASTM
440B
EN 1.4112 stainless steel is a martensitic stainless steel formulated for primary forming in forged products . The features quoted are suitable for the annealed condition. 1.4112 is the EN numerical designation for this material. X90CrMoV18 is the EN chemical designation .
It has a very low electrical conductivity among forged martensitic stainless steels. In addition, it has a fairly low thermal conductivity and a moderately high basic cost.
Chemical Composition
| Grade |
C |
Cr |
P |
Mo |
Mn |
S |
V |
Si |
1.4112
|
0.95 max |
19.00 max
|
0.04 max
|
1.3 max
|
1.00 max |
0.015 max |
0.12 max |
1.0
|
Physical Properties
It is used in the construction of shipbuilding, professional blades,screw elements
Mechanical Properties
|
Density
g/cm3
|
Specific heat capacity J/kg K |
Thermal conductivity W/m K |
Electrical resistivity
Ω mm2/m
|
|
7.9
|
500 |
15 |
0.73
|
|
Hardness HB 30
≤ HB
|
0.2%Yield strength R ≥
N/ mm2
|
Tensile strength R N/ mm2
|
Elongation A ≥ %
|
Modulus of Elasticity kN/mm2
|
|
215
|
175
|
460-680
|
45/35
|
200
|