EN 1.8516 (24CrMo13-6) Nitriding Steel
Other Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength1100MPa
Yield Strength800MPa
Brinell Hardness248HB
Maximum Service Temperature470°C
Chemical Composition
C
0.2 to 0.27%
CR
3.0 to 3.5%
MO
0.5 to 0.7%
MN
0.4 to 0.7%
SI
0 to 0.4%
P
0 to 0.025%
S
0 to 0.035%
FE
94.6 to 96.1%
Mechanical
A - Min. elongation at fracture (%) (+QT)
10
+QT
A - Min. elongation at fracture (%) (+QT)
11
+QT
A - Min. elongation at fracture (%) (+QT)
12
+QT
A - Min. elongation at fracture (%) (+QT)
13
+QT
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
11 %
Fatigue Strength
570 MPa
Impact Strength: V-Notched Charpy
28 J
KV - Impact energy (J) (+QT)
+20° 25-30
+QT
Poisson's Ratio
0.29
R p0.2 0.2% proof strength (MPa) (+QT)
800
+QT
R p0.2 0.2% proof strength (MPa) (+QT)
750
+QT
R p0.2 0.2% proof strength (MPa) (+QT)
700
+QT
R p0.2 0.2% proof strength (MPa) (+QT)
650
+QT
Rm - Tensile strength (MPa) (+QT)
1000-1200
+QT
Rm - Tensile strength (MPa) (+QT)
950-1150
+QT
Rm - Tensile strength (MPa) (+QT)
900-1100
+QT
Rm - Tensile strength (MPa) (+QT)
850-1050
+QT
Shear Modulus
74 GPa
Shear Strength
660 MPa
Tensile Strength: Ultimate (UTS)
1100 MPa
Tensile Strength: Yield (Proof)
910 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
330
Brinell hardness (HB): (+A)
248
+A
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
470 °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
32 points
Electrical
Electrical Conductivity: Equal Volume
7.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.7 % IACS
Other
Nominal thickness (mm):
16 - 40
Nominal thickness (mm):
40 - 100
Nominal thickness (mm):
100 - 160
Nominal thickness (mm):
160 - 250
Calculated
PREN (Pitting Resistance)
5.2
Resilience: Ultimate (Unit Rupture Work)
120 MJ/m 3
Resilience: Unit (Modulus of Resilience)
2190 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
39 points
Strength to Weight: Bending
30 points
Environmental
Base Metal Price
3.7 % 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
61 L/kg
Embodied Water
61 L/kg 7.3 gal/lb
Registered Designations & Aliases
1.85161.851624CrMo13-624CrMo13-6EN 1.8516 (24CrMo13-6) Nitriding Steel
Standards
EN 10085 EN 10085: 2001 Nitriding steel. Technical delivery conditions
ISO 683-5 ISO 683-5: Heat treatable steels, alloy steels and free-cutting steels - Part 5: Nitriding steels
ISO 683-5 ISO 683-5: Heat treatable steels, alloy steels and free-cutting steels - Part 5: Nitriding steels Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005