EN 1.4945 (X6CrNiWNbN16-16) Stainless Steel
Other Steels
solution annealed (AT)
Property Overview
Density8.1g/cm³
Elastic Modulus200GPa
Tensile Strength640MPa
Yield Strength290MPa
Brinell Hardness200HB
Maximum Service Temperature920°C
Chemical Composition
C
0.040 to 0.1%
CR
15.5 to 17.5%
NI
15.5 to 17.5%
MN
0 to 1.5%
SI
0.3 to 0.6%
N
0.060 to 0.14%
P
0 to 0.035%
S
0 to 0.015%
NB
0.4 to 1.2%
W
2.5 to 3.5%
FE
57.9 to 65.7%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
34 %
Fatigue Strength
230 MPa
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Shear Strength
430 MPa
Tensile Strength: Ultimate (UTS)
640 MPa
Tensile Strength: Yield (Proof)
290 MPa
Hardness
Brinell Hardness
200
Physical
Density
8.1 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
520 °C
Maximum Temperature: Mechanical
920 °C
Melting Completion (Liquidus)
1490 °C
Melting Onset (Solidus)
1440 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
14 W/m-K
Thermal Diffusivity
3.7 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
2.9 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.2 % IACS
Calculated
PREN (Pitting Resistance)
23
Resilience: Ultimate (Unit Rupture Work)
180 MJ/m 3
Resilience: Unit (Modulus of Resilience)
210 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
30 % relative
Embodied Carbon
5.0 kg CO 2 /kg material
Embodied Energy
73 MJ/kg
Embodied Energy
73 MJ/kg 31 x 10 3 BTU/lb
Embodied Water
150 L/kg
Embodied Water
150 L/kg 18 gal/lb
Registered Designations & Aliases
1.49451.4945EN 1.4945 (X6CrNiWNbN16-16) Stainless SteelX6CrNiWNbN16-16X6CrNiWNbN16-16
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 EN 10088-1: Stainless steels - Part 1: List of stainless steels Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012