EN 1.4658 (X2CrNiMoCoN28-8-5-1) Stainless Steel
Duplex Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus210GPa
Tensile Strength900MPa
Yield Strength730MPa
Brinell Hardness260HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.030%
CR
26 to 29%
NI
5.5 to 9.5%
MO
4.0 to 5.0%
MN
0 to 1.5%
SI
0 to 0.5%
N
0.3 to 0.5%
P
0 to 0.035%
S
0 to 0.010%
CU
0 to 1.0%
CO
0.5 to 2.0%
FE
50.9 to 63.7%
Mechanical
Elastic (Young's, Tensile) Modulus
210 GPa
Elongation at Break
28 %
Fatigue Strength
530 MPa
Impact Strength: V-Notched Charpy
110 J
Poisson's Ratio
0.27
Shear Modulus
81 GPa
Shear Strength
580 MPa
Tensile Strength: Ultimate (UTS)
900 MPa
Tensile Strength: Yield (Proof)
730 MPa
Hardness
Brinell Hardness
260
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
460 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
16 W/m-K
Thermal Diffusivity
4.3 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
24 points
Calculated
PREN (Pitting Resistance)
49
Resilience: Ultimate (Unit Rupture Work)
240 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1280 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
32 points
Strength to Weight: Bending
26 points
Environmental
Base Metal Price
25 % relative
Embodied Carbon
4.5 kg CO 2 /kg material
Embodied Energy
61 MJ/kg
Embodied Energy
61 MJ/kg 26 x 10 3 BTU/lb
Embodied Water
200 L/kg
Embodied Water
200 L/kg 24 gal/lb
Registered Designations & Aliases
1.4658EN 1.4658 (X2CrNiMoCoN28-8-5-1) Stainless SteelX2CrNiMoCoN28-8-5-1
Standards
EN 10088-1 EN 10088-1: Stainless steels - Part 1: List of stainless steels
EN 10088-3 EN 10088-3: Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes