EN 1.5402 (15MnMoV4-5) Molybdenum Steel
Other Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength580MPa
Yield Strength345MPa
Brinell Hardness180HB
Maximum Service Temperature410°C
Chemical Composition
C
0 to 0.18%
MO
0.4 to 0.6%
MN
0.9 to 1.4%
SI
0 to 0.4%
P
0 to 0.025%
S
0 to 0.015%
V
0.040 to 0.080%
FE
97.3 to 98.7%
Mechanical
A - Min. elongation at fracture (%) longitud.,
23
A - Min. elongation at fracture (%) longitud.,
22
A - Min. elongation at fracture (%) longitud.,
21
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
23 %
Fatigue Strength
260 MPa
Impact Strength: V-Notched Charpy
45 J
KV - Impact energy (J) longitud.,
+20° 40
Poisson's Ratio
0.29
ReH - Minimum yield strength (MPa)
345
ReH - Minimum yield strength (MPa)
325
Rm - Tensile strength (MPa)
510-650
Shear Modulus
73 GPa
Shear Strength
370 MPa
Tensile Strength: Ultimate (UTS)
580 MPa
Tensile Strength: Yield (Proof)
370 MPa
Hardness
+A Soft annealed +AC Annealed to achieve spheroidization of the carbides +AR As rolled +AT Solution annealed +C Cold drawn / hard +CR Cold rolled +FP Treated to ferrite-pearlite structure and hardness range +I Isothermal annealing +LC Cold drawn / soft +M Thermo mechanical rolling +N Normalized +NT Normalized and tempered
+P Precipitation hardened +PE Peeled +QA Air quenched and tempered +QL Liquid quenched and tempered +QT Quenched and tempered +S Treated to improve shearability +SH As rolled and turned +SR Cold drawn and stress relieved +T Tempered +TH Treated to hardness range +WW Warm worked +U Untreated
+A
Brinell Hardness
180
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
410 °C
Melting Completion (Liquidus)
1470 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
51 W/m-K
Thermal Diffusivity
14 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
17 points
Electrical
Electrical Conductivity: Equal Volume
7.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.2 % IACS
Other
Nominal thickness (mm):
to 70
Nominal thickness (mm):
70 - 250
Nominal thickness (mm):
to 35
Nominal thickness (mm):
35 - 70
Calculated
Resilience: Ultimate (Unit Rupture Work)
120 MJ/m 3
Resilience: Unit (Modulus of Resilience)
360 kJ/m 3
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
2.4 % relative
Embodied Carbon
1.7 kg CO 2 /kg material
Embodied Energy
22 MJ/kg
Embodied Energy
22 MJ/kg 9.6 x 10 3 BTU/lb
Embodied Water
49 L/kg
Embodied Water
49 L/kg 5.8 gal/lb
Registered Designations & Aliases
1.54021.540215MnMoV4-515MnMoV4-5EN 1.5402 (15MnMoV4-5) Molybdenum Steel
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 Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005