EN 1.4640 (X5CrNiCu19-6-2) Stainless Steel
Austenitic & General Stainless Steels
hot worked
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength620MPa
Yield Strength240MPa
Brinell Hardness190HB
Maximum Service Temperature930°C
Chemical Composition
C
0.030 to 0.080%
CR
18 to 19%
NI
5.5 to 6.9%
MN
1.5 to 4.0%
SI
0 to 0.5%
N
0.030 to 0.11%
P
0 to 0.045%
S
0 to 0.015%
CU
1.3 to 2.0%
FE
67.4 to 73.6%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
51 %
Fatigue Strength
230 MPa
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Shear Strength
440 MPa
Tensile Strength: Ultimate (UTS)
620 MPa
Tensile Strength: Yield (Proof)
240 MPa
Hardness
Brinell Hardness
190
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
280 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
930 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
4.0 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
2.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.7 % IACS
Calculated
PREN (Pitting Resistance)
20
Resilience: Ultimate (Unit Rupture Work)
250 MJ/m 3
Resilience: Unit (Modulus of Resilience)
150 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
21 points
Environmental
Base Metal Price
14 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
40 MJ/kg
Embodied Energy
40 MJ/kg 17 x 10 3 BTU/lb
Embodied Water
150 L/kg
Embodied Water
150 L/kg 17 gal/lb
Registered Designations & Aliases
1.4640EN 1.4640 (X5CrNiCu19-6-2) Stainless SteelX5CrNiCu19-6-2
Standards
EN 10088-1 EN 10088-1: Stainless steels - Part 1: List of stainless steels
EN 10088-2 EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
EN 10088-2 EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes EN 10088-1: Stainless steels - Part 1: List of stainless steels