EN 1.6920 (15MnCrMoNiV5-3) Chromium Steel
Other Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength640MPa
Yield Strength370MPa
Brinell Hardness190HB
Maximum Service Temperature420°C
Chemical Composition
C
0 to 0.17%
CR
0.5 to 1.0%
NI
0.3 to 0.7%
MO
0.2 to 0.35%
MN
1.0 to 1.5%
SI
0 to 0.4%
P
0 to 0.025%
S
0 to 0.015%
V
0.050 to 0.1%
FE
95.7 to 98%
Mechanical
A - Min. elongation at fracture (%) longitud., (+QT) or (+NT)
17
+QT
A - Min. elongation at fracture (%) transverse, (+QT) or (+NT)
17
+QT
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
19 %
Fatigue Strength
290 MPa
Impact Strength: V-Notched Charpy
45 J
KV - Impact energy (J) longitud., (+QT) or (+NT)
+20° 40
+QT
KV - Impact energy (J) transverse, (+QT) or (+NT)
+20° 40
+QT
Poisson's Ratio
0.29
ReH - Minimum yield strength (MPa) (+QT) or (+NT)
370
+QT
Rm - Tensile strength (MPa) (+QT) or (+NT)
560-710
+QT
Shear Modulus
73 GPa
Shear Strength
400 MPa
Tensile Strength: Ultimate (UTS)
640 MPa
Tensile Strength: Yield (Proof)
420 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
190
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
420 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
39 W/m-K
Thermal Diffusivity
10 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
19 points
Electrical
Electrical Conductivity: Equal Volume
7.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.5 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
470 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
21 points
Environmental
Base Metal Price
2.8 % 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
52 L/kg
Embodied Water
52 L/kg 6.3 gal/lb
Registered Designations & Aliases
1.69201.692015MnCrMoNiV5-315MnCrMoNiV5-3EN 1.6920 (15MnCrMoNiV5-3) Chromium 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