1.4031
EN/DIN
X39CR13
AISI/SAE/ASTM
420
EN 1.4031 stainless steel is a martensitic stainless steel formulated for primary forming in forged products . 1.4031 is the EN numerical designation for this material. X39Cr13 is the EN chemical designation .
It has a moderately low structured energy among forged martensitic stainless steels. In addition, it has a moderately high electrical conductivity and can have a moderately low ductility .
Electrical Properties
Electrical Resistance
|
0 .60 x10 ^ -6 Ω .m
|
Maximum Temperature: Corrosion
|
390 ℃
|
Thermal conductivity
|
30 W / mK
|
Process Features
Processability
|
good
|
Hot Forming
|
good
|
Hardness HB
|
245
|
Thermal Recovery
Specific heat capacity
|
480 J / kg -K
|
Melting point
|
14 4 0 ℃
|
Chemical Composition
Grade |
C |
Cr |
Mn |
P |
Si |
S |
Ni |
1.4031
|
0.42 max |
14.50 max
|
1.0 max |
0.040 max |
0.75 max |
0.015 max |
- |
Physical Composition
It is used in the construction of power plant, electricity generation, pumps, compressors and turbine wheels.
Density
g/cm3
|
Specific heat capacity J/kg K |
Thermal conductivity W/m K |
Electrical resistivity
Ω mm2/m
|
7.7
|
430 |
25 |
0.6
|
Hardness HB 30
≤ HB
|
0.2%Yield Strength R ≥
N/ mm2
|
Tensile strength R N/ mm2
|
Elongation A ≥ %
|
Modulus of elasticity
kN/mm2
|
320
|
520
|
700-800
|
15/12
|
200
|