EN 1.4935 (X20CrMoWV12-1) Stainless Steel
Other Steels
quenched and tempered
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength780MPa
Yield Strength570MPa
Brinell HardnessUnknown
Maximum Service Temperature740°C
Chemical Composition
C
0.17 to 0.24%
CR
11 to 12.5%
NI
0.3 to 0.8%
MO
0.8 to 1.2%
MN
0.3 to 0.8%
SI
0.1 to 0.5%
P
0 to 0.025%
S
0 to 0.015%
V
0.2 to 0.35%
W
0.4 to 0.6%
FE
83 to 86.7%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
18 %
Fatigue Strength
350 MPa
Poisson's Ratio
0.28
Shear Modulus
76 GPa
Shear Strength
480 MPa
Tensile Strength: Ultimate (UTS)
780 MPa
Tensile Strength: Yield (Proof)
570 MPa
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Maximum Temperature: Corrosion
380 °C
Maximum Temperature: Mechanical
740 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
24 W/m-K
Thermal Diffusivity
6.5 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
27 points
Electrical
Electrical Conductivity: Equal Volume
2.9 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.3 % IACS
Calculated
PREN (Pitting Resistance)
16
Resilience: Ultimate (Unit Rupture Work)
130 MJ/m 3
Resilience: Unit (Modulus of Resilience)
830 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
28 points
Strength to Weight: Bending
24 points
Environmental
Base Metal Price
9.0 % relative
Embodied Carbon
2.9 kg CO 2 /kg material
Embodied Energy
42 MJ/kg
Embodied Energy
42 MJ/kg 18 x 10 3 BTU/lb
Embodied Water
100 L/kg
Embodied Water
100 L/kg 12 gal/lb
Registered Designations & Aliases
1.49351.4935EN 1.4935 (X20CrMoWV12-1) Stainless SteelX20CrMoWV12-1X20CrMoWV12-1
Standards
EN 10088-1 EN 10088-1: 2005 Stainless steels. List of stainless steels
EN 10088-1 EN 10088-1: Stainless steels - Part 1: List of stainless steels
EN 10302 EN 10302: 2008 Creep resisting steels, nickel and cobalt alloys
EN 10302 EN 10302: Creep resisting steels, nickel and cobalt alloys
EN 10302 EN 10302: Creep resisting steels, nickel and cobalt alloys Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 EN 10088-1: Stainless steels - Part 1: List of stainless steels Corrosion of Stainless Steels, A. John Sedriks, 1996