EN 1.7361 (32CrMo12) Chromium Steel
Other Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength900MPa
Yield Strength680MPa
Brinell Hardness300HB
Maximum Service Temperature470°C
Chemical Composition
C
0.28 to 0.35%
CR
2.8 to 3.3%
NI
0 to 0.6%
MO
0.3 to 0.5%
MN
0.4 to 0.7%
SI
0 to 0.4%
P
0 to 0.035%
S
0 to 0.035%
FE
94.1 to 96.2%
Mechanical
A - Min. elongation at fracture (%) longitud., (+QT)
12
+QT
A - Min. elongation at fracture (%) longitud., (+QT)
13
+QT
A - Min. elongation at fracture (%) longitud., (+QT)
15
+QT
A - Min. elongation at fracture (%) transverse, (+QT)
8-11
+QT
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
11 %
Fatigue Strength
480 MPa
Impact Strength: V-Notched Charpy
31 J
Poisson's Ratio
0.29
Re - Upper yield strength (MPa) (+QT)
680
+QT
Re - Upper yield strength (MPa) (+QT)
630
+QT
Re - Upper yield strength (MPa) (+QT)
490
+QT
Rm - Tensile strength (MPa) (+QT)
900
+QT
Rm - Tensile strength (MPa) (+QT)
850
+QT
Rm - Tensile strength (MPa) (+QT)
700
+QT
Shear Modulus
74 GPa
Shear Strength
600 MPa
Tensile Strength: Ultimate (UTS)
1010 MPa
Tensile Strength: Yield (Proof)
780 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
300
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
250 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
41 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
29 points
Electrical
Electrical Conductivity: Equal Volume
7.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.8 % IACS
Other
Nominal thickness (mm):
to 160
Nominal thickness (mm):
160 - 330
Nominal thickness (mm):
330 - 660
Calculated
PREN (Pitting Resistance)
4.4
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1590 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
36 points
Strength to Weight: Bending
29 points
Environmental
Base Metal Price
3.6 % relative
Embodied Carbon
1.7 kg CO 2 /kg material
Embodied Energy
22 MJ/kg
Embodied Energy
22 MJ/kg 9.5 x 10 3 BTU/lb
Embodied Water
60 L/kg
Embodied Water
60 L/kg 7.2 gal/lb
Registered Designations & Aliases
1.73611.736132CrMo1232CrMo12EN 1.7361 (32CrMo12) 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 Welding Metallurgy, 2nd ed., Sindo Kou, 2003 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005