X12CrMnNiN18-9-5 (1.4373) Austenitic

Name Designation EN X12CrMnNiN18-9-5
Number 1.4373
AISI ASTM 202
Grades Austenitic
Chemical Composition (Cast Analysis)
C Si Mn Pmax S N Cr Mo Ni Others
≤0.15 ≤1.00 7.50 to 10.5 0.045 ≤0.015 0.05 to 0.25 17.00 to 19.00 4.00 to 6.00
Mechanical Properties
Thickness (Max) Heat Treatment Hardness (Max) Proof Strength Tensile Strength Elongation after fracture Impact Energy
[mm] HRB HB or HV Rp 0.2
[MPa)
Rm
[MPa]
A80mm [%]
min
A [%]
min
KV
[J] min
transverse th < 3mm
(tri & long)
th ≥ 3mm
(tr. & long.)
long. transv.
8 AT 90 241 350 680 – 880 45 45
13.5 320 100 60
75 320 35 35
Physical Properties
Density @ 20degC Modulus of Elasticity
20⁰C
Mean Coefficient of Thermal Expansion
10^-6 xK^-1
Thermal Conductivity
@ 20⁰C
Specific Heat
@ 20⁰C
Electrical Resistivity
@ 20⁰C
[kg/dm^3 [GPa] 20⁰C – 200⁰C 20⁰C – 400⁰C [W/(mxK)] [J/(kgxK)] [Ωxmm^2/m]
7.8 200 17.5 18.4 15 503 0.7