EN 1.5918 (17CrNi6-6) Nickel-Chromium Steel
Other Steels
ferrite-pearlite annealed (FP)
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength600MPa
Yield StrengthUnknown
Brinell Hardness180HB
Maximum Service Temperature440°C
Chemical Composition
C
0.14 to 0.2%
CR
1.4 to 1.7%
NI
1.4 to 1.7%
MN
0.5 to 0.9%
SI
0 to 0.3%
P
0 to 0.025%
S
0 to 0.025%
CU
0 to 0.25%
FE
94.9 to 96.6%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Poisson's Ratio
0.29
Shear Modulus
73 GPa
Tensile Strength: Ultimate (UTS)
600 MPa
Hardness
Brinell Hardness
180
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
440 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
43 W/m-K
Thermal Diffusivity
12 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
18 points
Electrical
Electrical Conductivity: Equal Volume
7.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.7 % IACS
Calculated
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
3.4 % relative
Embodied Carbon
1.6 kg CO 2 /kg material
Embodied Energy
21 MJ/kg
Embodied Energy
21 MJ/kg 9.2 x 10 3 BTU/lb
Embodied Water
56 L/kg
Embodied Water
56 L/kg 6.7 gal/lb
Registered Designations & Aliases
1.59181.591817CrNi6-617CrNi6-6EN 1.5918 (17CrNi6-6) Nickel-Chromium Steel
Standards
EN 10084 EN 10084: 2008 Case hardening steels. Technical delivery conditions
EN 10263-3 EN 10263-3: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for case hardening steels
EN 10263-3 EN 10263-3: Steel rod, bars and wire for cold heading and cold extrusion - Part 3: Technical delivery conditions for case hardening steels