EN 1.7715 (14MoV6-3) Molybdenum-Vanadium Steel
Other Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength540MPa
Yield Strength340MPa
Brinell Hardness160HB
Maximum Service Temperature420°C
Mechanical
A - Min. elongation at fracture (%) longitud., (+QT) or (+NT)
20
+QT
A - Min. elongation at fracture (%) transverse, (+QT) or (+NT)
18
+QT
Elastic (Young's, Tensile) Modulus
190 GPa
Impact Strength: V-Notched Charpy
34 J
KV - Impact energy (J) longitud., (+QT) or (+NT)
+20° 27-40
+QT
KV - Impact energy (J) transverse, (+QT) or (+NT)
+20° 27
+QT
ReH - Minimum yield strength (MPa) (+QT) or (+NT)
300-320
+QT
Rm - Tensile strength (MPa) (+QT) or (+NT)
460-610
+QT
Tensile Strength: Ultimate (UTS)
540 MPa
Tensile Strength: Yield (Proof)
340 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
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
420 °C
Melting Completion (Liquidus)
1470 °C
Melting Onset (Solidus)
1430 °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
16 points
Electrical
Electrical Conductivity: Equal Volume
7.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.4 % IACS
Calculated
PREN (Pitting Resistance)
2.4
Resilience: Ultimate (Unit Rupture Work)
99 MJ/m 3
Resilience: Unit (Modulus of Resilience)
320 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
19 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
2.9 % relative
Embodied Carbon
2.2 kg CO 2 /kg material
Embodied Energy
30 MJ/kg 13 x 10 3 BTU/lb
Embodied Water
52 L/kg 6.2 gal/lb
Registered Designations & Aliases
1.77151.771514MoV6-314MoV6-3EN 1.7715 (14MoV6-3) Molybdenum-Vanadium Steel
Standards
EN 10216-2 EN 10216-2: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties
EN 10216-2 EN 10216-2: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
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 EN 10216-2: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 Pressure Vessels: External Pressure Technology, 2nd ed., Carl T. F. Ross, 2011