EN 1.6956 (33NiCrMoV14-5) Nickel-Chromium Steel
Other Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength1100MPa
Yield Strength980MPa
Brinell Hardness370HB
Maximum Service Temperature440°C
Chemical Composition
C
0.28 to 0.38%
CR
1.0 to 1.7%
NI
2.9 to 3.8%
MO
0.3 to 0.6%
MN
0.15 to 0.4%
SI
0 to 0.4%
P
0 to 0.035%
S
0 to 0.035%
V
0.080 to 0.25%
FE
92.4 to 95.3%
Mechanical
A - Min. elongation at fracture (%) longitud., (+QT)
10
+QT
A - Min. elongation at fracture (%) longitud., (+QT)
12
+QT
A - Min. elongation at fracture (%) transverse, (+QT)
7-8
+QT
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
9.6 %
Fatigue Strength
680 MPa
Impact Strength: V-Notched Charpy
25 J
Poisson's Ratio
0.29
Re - Upper yield strength (MPa) (+QT)
980
+QT
Re - Upper yield strength (MPa) (+QT)
820
+QT
Re - Upper yield strength (MPa) (+QT)
780
+QT
Rm - Tensile strength (MPa) (+QT)
1100
+QT
Rm - Tensile strength (MPa) (+QT)
1000
+QT
Rm - Tensile strength (MPa) (+QT)
950
+QT
Shear Modulus
73 GPa
Shear Strength
730 MPa
Tensile Strength: Ultimate (UTS)
1230 MPa
Tensile Strength: Yield (Proof)
1120 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
370
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
46 W/m-K
Thermal Diffusivity
12 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
36 points
Electrical
Electrical Conductivity: Equal Volume
8.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
9.1 % IACS
Other
Nominal thickness (mm):
to 160
Nominal thickness (mm):
160 - 330
Nominal thickness (mm):
330 - 660
Calculated
PREN (Pitting Resistance)
2.8
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
3320 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
43 points
Strength to Weight: Bending
32 points
Environmental
Base Metal Price
5.0 % relative
Embodied Carbon
2.2 kg CO 2 /kg material
Embodied Energy
31 MJ/kg
Embodied Energy
31 MJ/kg 13 x 10 3 BTU/lb
Embodied Water
60 L/kg
Embodied Water
60 L/kg 7.1 gal/lb
Registered Designations & Aliases
1.69561.695633NiCrMoV14-533NiCrMoV14-5EN 1.6956 (33NiCrMoV14-5) Nickel-Chromium Steel
Standards
EN 10250-3 EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels
EN 10250-3 EN 10250-3: Open die steel forgings for general engineering purposes - Part 3: Alloy special steels
EN 10250-3 EN 10250-3: Open die steel forgings for general engineering purposes - Part 3: Alloy special steels Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005