EN 1.4618 (X9CrMnNiCu17-8-5-2) Stainless Steel
Austenitic & General Stainless Steels
hot worked
Property Overview
Density7.7g/cm³
Elastic Modulus200GPa
Tensile Strength680MPa
Yield Strength250MPa
Brinell Hardness200HB
Maximum Service Temperature900°C
Chemical Composition
C
0 to 0.1%
CR
16.5 to 18.5%
NI
4.5 to 5.5%
MN
5.5 to 9.5%
SI
0 to 1.0%
N
0 to 0.15%
P
0 to 0.070%
S
0 to 0.010%
CU
1.0 to 2.5%
FE
62.7 to 72.5%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
51 %
Fatigue Strength
240 MPa
Impact Strength: V-Notched Charpy
90 J
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Shear Strength
480 MPa
Tensile Strength: Ultimate (UTS)
680 MPa
Tensile Strength: Yield (Proof)
250 MPa
Hardness
Brinell Hardness
200
Physical
Density
7.7 g/cm 3
Thermal
Latent Heat of Fusion
280 J/g
Maximum Temperature: Corrosion
410 °C
Maximum Temperature: Mechanical
900 °C
Melting Completion (Liquidus)
1400 °C
Melting Onset (Solidus)
1360 °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
15 points
Electrical
Electrical Conductivity: Equal Volume
2.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.7 % IACS
Calculated
PREN (Pitting Resistance)
19
Resilience: Ultimate (Unit Rupture Work)
270 MJ/m 3
Resilience: Unit (Modulus of Resilience)
160 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
13 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
39 MJ/kg
Embodied Energy
39 MJ/kg 17 x 10 3 BTU/lb
Embodied Water
150 L/kg
Embodied Water
150 L/kg 18 gal/lb
Registered Designations & Aliases
1.4618EN 1.4618 (X9CrMnNiCu17-8-5-2) Stainless SteelX9CrMnNiCu17-8-5-2
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 Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012