EN 1.7366 (X16CrMo5-1) High-Chromium Steel
Other Steels
annealed
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength460MPa
Yield Strength230MPa
Brinell Hardness140HB
Maximum Service Temperature510°C
Chemical Composition
C
0 to 0.18%
CR
4.0 to 6.0%
MO
0.45 to 0.65%
MN
0.3 to 0.8%
SI
0 to 0.4%
P
0 to 0.025%
S
0 to 0.015%
FE
91.9 to 95.3%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
19 %
Fatigue Strength
160 MPa
Impact Strength: V-Notched Charpy
38 J
Poisson's Ratio
0.29
Shear Modulus
74 GPa
Shear Strength
290 MPa
Tensile Strength: Ultimate (UTS)
460 MPa
Tensile Strength: Yield (Proof)
230 MPa
Hardness
Brinell Hardness
140
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
510 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
40 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
13 points
Electrical
Electrical Conductivity: Equal Volume
8.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
9.3 % IACS
Calculated
PREN (Pitting Resistance)
6.8
Resilience: Ultimate (Unit Rupture Work)
74 MJ/m 3
Resilience: Unit (Modulus of Resilience)
140 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
16 points
Strength to Weight: Bending
17 points
Environmental
Base Metal Price
4.3 % relative
Embodied Carbon
1.7 kg CO 2 /kg material
Embodied Energy
23 MJ/kg
Embodied Energy
23 MJ/kg 10 x 10 3 BTU/lb
Embodied Water
69 L/kg
Embodied Water
69 L/kg 8.2 gal/lb
Registered Designations & Aliases
1.73661.7366EN 1.7366 (X16CrMo5-1) High-Chromium SteelX16CrMo5-1X16CrMo5-1
Standards
EN 10222-2 EN 10222-2: 2000 Steel forgings for pressure purposes. Ferritic and martensitic steels with specified elevated temperature properties
EN 10222-2 EN 10222-2: Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperature properties
EN 10222-2 EN 10222-2: Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperature properties Welding Metallurgy, 2nd ed., Sindo Kou, 2003 Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005